首页 猜题金卷答案
  • 衡水金卷先享题分科综合卷2023年普通高等学校招生全国统一考试模拟试题生物一

    绝密★启用前2022一2023学年第二学期高一期末调研考试生物学考生注意:1.答题前,考生务必将自已的姓名、考生号填写在试卷和答题卡上,并将考生号条形码粘贴在答题卡上的指定位置。2.回答选择题时,选出每小题答案后,用铅笔把答题卡对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡价上。写在本试卷上无效。3.考试结束后,将本试卷和答题卡一并交回。数一、选择题:本题共13小题,每小题2分,共26分。在每小题给出的四个选项中,只有一项是符合题目要求的。1.下列关于遗传学的叙述,错误的是甜兵A.性状分离是指显性个体与隐性个体杂交,后代同时出现显性个体和隐性个体的现象B.纯合子自交后代不会出现性状分离,杂合子自交后代可能会出现性状分离C.基因型为Aa的植株自交代数越多,后代中纯合子所占比例通常越高D.验证基因的分离定律或自由组合定律可采用自交法或测交法拟2.某雌雄同株植物的一对相对性状由基因A、a控制,基因A对a为显性。基因型为Aa的植株,其花药中含基因a的精子一半不能参与受精。下列分析正确的是A.基因型为Aa的植株自交1代,F,的性状分离比为3:1B.基因型为Aa的植株自交1代,F,的显性个体中纯合子占2/5C.基因型为Aa的植株自交n代,产生的子代中纯合子占(1/2)”D.基因型为Aa的植株无论自交多少代,A和a的基因频率都是1/23.某水稻有两个纯合品种:抗病高秆和易感病矮秆,抗病(A)对易感病()为显性,高秆(B)对矮秆(b)为显性,两对相对性状独立遗传。下列相关叙述错误的是环A.两个品种杂交,产生的F,再自交,F2中与亲本基因型相同的植株所占的比例是1/8B.两个品种杂交,产生的F,再自交,F2中抗病矮秆水稻新品种植株所占比例为3/16C.通过杂交育种培育抗病矮秆水稻新品种,首先需要将两个性状集中到一个个体上D.通过杂交育种培育抗病矮秆水稻新品种,依据的原理是染色体变异生物学试题第1页(共8页)

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    实实KMnO4溶液(含疏酸)HC2O4溶液H20溶液颜色褪至验温度无色时c号V/mLV/mLV/mL所需时Kmol-LTmol.Lt间s29320.0250.13tB20.0230.1831320.020.15(1)写出该反应的离子方程式:(2)通过实验A、B可探究(填外部因素)的改变对反应速率的影响,其中V1=T=通过实验(填实验序号)可探究温度对化学反应速率的影响。(3)若t<8,则由实验A、B可以得出的结论是;利用实验B中数据计算,用KMmO+溶液的浓度变化表示的反应速率v(KMnO)=(4)实验中发现:反应一段时间后该反应速率会突然加快,造成此种变化的原因是反应体系中的某种粒子对KMO:与HC2O+之间的反应有某种特殊的作用,则该作用是相应的粒子最有可能是26.(共10分,每空2分)将等物质的量A、B混合于2L的密闭容器中,发生反应:3A(g)+B(g)=g)2D(g),经5min后测得D的浓度为0.5mo1·L,c(A):c(B)3:5,C的均反应速率是0.lmol·L-1·min-。(1)经5min后A的浓度为(2)反应开始前充入容器中B的物质的量为(3)B的均反应速率为(4)x的值为(5)对于反应A(g)十3B(g)一2C(g)+2D(g),下列分别表示不同条件下的反应速率,则反应速率大小关系是①(A)=0.01mol·L-1·s-2B)=1.20mol·L-1·min-③WC)=2.40mol·L-1·min-陕西师大附中2022一2023学年第二学期高一年级期终考试化学试题第9页共11页

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    In a new study published in Current Biology,we report for the first time that mothers shift()their vocal timbre when speaking to their infants().In the Pne Bby b,here ery howchilren we rored Engisakingfor aAtlarmhers while they red to their7-to-1-mthod infants,and hile they spoke toanuxprmnd foundhredd intdreted speech had sdifferenof pofingerprints.Moinmet ofo-pcking otherse found that thisup bitimbre shift ighlyievgeThisetthese timbre hfts“Twmay represent a universal form of communication with infants.acrosBeing bletodentify baby talkulipecouve urichntio bou themand type of angug children hr predifferent cuurm.Thisconsiccodhelp researcherddcoprediet nd improvmuc vocabularydinfoodschool.was dParents should be positiveabou theirwn babytalk:With it,they're helping their babies eamany9.What is the advantage of parents using baby talk on their babies?A.It helps babies improve their language ability.in recB.It prevents babies from behaving in a silly wayC.It enables parents to understand baby language.withiD.It earns parents favor and trust from their babiespeopl10.Why is the timbre of the instrument mentioned in paragraph13.HA.To show results of research on the music timbre.叹B.To explain the function of the timbre of baby talk.C.C.To prove the importance and necessity of baby talk.14.WD.To find the similarity between music and baby talk.A.11.What is paragraph 7 mainly about?C.A.The target subjects of the research.15.WC.The significance of using baby talkB.The good influence of timbre shifts.A.12.What does the author probably suggest parents do?D.The meaning of recognizing baby talk.gA.Try to encourage their babies to stay positive.C.B.Remember to use baby talk with great caution.◇”C.Use baby talk on their babies as much as possible.16.wD.Teach their babies how to use baby talk properly.ABPassage 4The number of birds in North America has declined by almost 3 billion since 1970,according to aCstudy published in Science.The researchers estimated()changes in the populations of 529 species()using long-termbird-monitoring databases.Those data showed that the number of individual()birds across all ofthose species had decreased by 29 percent,from around 10 billion in 1970 to just over 7 billion in2017.posswhat【高考专题突破卷·英语(二)第4页(共6页)】findi

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    A.Lead the players to the rest room.B.Remind the players of their dream.C.Tell them that time was running out.D.Wam them of the possibility of losing27.What does the underlined phrase "numb out"in paragraph 5 mean?D.Freeze.A.Appear.B.Build.C.Improve.Cnochao Chen gapes(张嘴),sneers(冷笑)and then makes faces..During this time,}wears a device that looks like a pair of headphones.But instead of playing music,it pointscameras toward his cheeks.The cameras onyee theide of his face.Surprisingly,that cana sneer from a smile or a laugh from a frown.A computer system connected to the headnesfre ou wht Chenouh ok like without in the dieclyChenhecmuerhebof ChengZhng t oell Univerylla itCacebe theyuf.Hi teaothnlogythat cn better ndn pope ThereyoofoihandefromdevictheriThat made him wonder if he coud pick up entire fa-cial expressions from cameras worn on the ears.To train C-face.Chen and othertam members and volunteers made funny faces.Mean-while,headphone cameras captured how the contour()of their cheeks changed witheach expression.And a camera in front of the face captured the locations of important land-marks(特征,点)around the eyebrows eyes and mouth.The system learned to match changes inthe contours to changes in these landmarks.Once training was complete,the device could lokat cheek contours and predict the position of landmarks around the eyes and mouth that corre-sponded to particular facial expressions showing a certain emotion.More interestingly,the team showed C-face could reveal people's expressions even whenpeople wear masks.This device could map your hidden expressions onto the face of a virtualimage.This digital version of you would match your expressions as you talk,smile or perhapsgasp.With training,C-face also can turn someone's real expressions into emojis(表情符号).You can't buy C-face,at least not yet.But it's expected to be available on the marketsome day!algoo f alooltA s2sn2o28.What's the purpose of the first paragraph?rt,等;/共}t二第A.To collect ideas about a computer system.B.To make comments on a smart device.C.To introduce the topic of the text.D.To describe a researcher's emotions.29.What inspired the researchers to develop C-face?A.The demand for smart technology.B.Their previous scientific findings.C.Their interest in facial expressions.D.The development of computer systems.30.What can we do with C-face according to the text?A.Match facial expressions with more emojis.B Make reading other people's mind possible.C.Recognize a certain person much more easily.D.Show our hidden expressionseasily.31.Which word can deseribe the author's atitude to the future of C-face?A.Optimistic.B.Worried.C.Skeptical.D.Negative.DWewill all probably know bothsme inover(内向性格的人)and extroverts(外向性)in life yetwe cngino imreobout both types of people For mplesomenitroveriscanbeextremelyconfdetandabhlepeoplewhilesomeetoveris.arenlasconerentthyd lippedfyoakherebehindapearance.hynehandanybodystcbe very debilitating((使哀弱的)uenegative pact upon oury to form【先知模拟卷·新课标·英语(一)(含听力)·共8页·第4页】

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    ●阶段卷the Nationals.The Washington Nationals host a two-day festival26.Which of the following does the author stress in the team?名卷featuring games,activities and appearances by its great baseballA.Honesty.B.Perseverance.①安徽省重点中学2021届高三调研考试players.C.Cooperation spirit.D Scientific theorv汇缩Dec.10-11,Walter E.Washington Convention Center.27.What can we infer about the author from the text?202-608-1110.Nationals.mlb.com.$33 adults,23 children.A.He used to treat his students unfairly.21.At which place can people see a comedy?B.He used to be misled by other scientists.A.Strathmore.C.He focuses on the opinions of the masses now本试卷共150分考试时间120分钟B.Studio Theatre.D.He speaks highly of the grade system in science now.C.Anacostia Community MuseumD.Walter E.Washington Convention Center.Rising sea levels driven by climate change make for salty第一部分听(共两节,满分30分)14.What did the man's parents build?22.What do we know about Piedmont Blues?soil,and that is likely to force about 200,000 coastal farmers in第一节(共5小题;每小题1.5分,满分7.5分)A.An indoor swimming pool.Bangladesh inland as glaciers melt into the world's oceans,ac-听下面5段对话。每段对话后有一个小题,从题中所给的A、B.A house with a big garden听力录音A.It is a music feast.B.It is a film festival.cording to estimates from a new study.Frequent flooding withB,C三个选项中选出最佳选项。听完每段对话后,你都有10秒C.An outdoor swimming pool.的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。15.What is the weather like in Miami?C.It is a photography show.salt water is pushing farmers in Bangladesh to shift from growingrice to feeding shrimp (and other sea fish,but not all coastal例:How much is the shirt??D.It is a painting exhibitionresidents will be able to maintain their agricultural livelihoods.A.£19.15.B.£9.18.C.£9.15.23.What is the purpose of the text?C.It never ransA.To advertise some plays in December.“Unfortunately,thislikely to be most challenging for答案是C。Who will the woman see tomorrow?16.What's the relationship between the speakers?B.To show the date of festivals in winter.those farming families who have the fewest resources to beginA.Her friend.B.The man.C.The doctor.A.Manager and customer.C.To provide some information about the events.with,"said Chen,an associate professor of agricultural,envi-2.What will the woman do tonight?B.Husband and wife.D.To list the entertainment activities at the theatreronmental and development economicsC ColleaThe study appears in the journal Nature Climate Change.食B.See the听第10段材料,回答第17至20题Chen pulled together almost all the socioeconomic,population,the man.At the airport,one of my partners greeted me with a broad17.What caC.Go to the park with the mane learnthe newssmile."Welcome to Cuba!"he exclaimed in perfect English,givgeographic and climate chaange data to crete models that allowed3.What are the speakers going to do?ing me a strong handshake and a hug.The next day,we drove toestimating population shifts based on rising water slowing enteA.Go shoppingB.Havesupper.C.Have a party.C.Over 200 people were made homeless.the research center where he worked.In the conference room,ring coastal farmland and subsequent increases in soil salinity.4.When will thee man check outeach of us gave a presentation about science and what we hopecSalty soil prvents the18.How many people were badly injured in the storm?growth of rice and most other crops.It'sA.On Friday.B.On Thursday.C.On Wednesday.the first study of its kind.A SevenB.Nine.C.Tento learn from the study of Cuban rivers5.What does the woman advise the man to buy?19.What happened to the farmer?Then,we toured every lab in the building.I met scientists,The researchers found that the farming potential loss withA.A dress.B A purseC.A jacket.A Het a child.technicians,secretaries,students,and the cook.Some spokee driver of migration.第二节(共15小题;每小题1.5分,满分22.5分)B.His wife was missing.English,and others counicated with me in Spanish whileThe researchers estimated that a farm would be expected to los听下面5段对话或独白。每段对话或独白后有几个小题,C.Hisouse was des20.What did thewon do when shesw her house shaking?cooperator translated.I was introduced to each person in their21 percent of its crop revenue each year when faced with salt从题中所给的AB、C三个选项中选出最佳选项。听每段对话center,and that was what I remembered most.pollution.或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各A.She tried to take something out.Then we met again to brainstorm.Together,we studiedIn the next 120ears,coastal communities that are home to小题将给出5秒钟的作答时间。每段对话或独白读两遍。B.She rushed out with her children.C.She told her husband not to leavemaps carefully to plan how we were going to collect samples1.3 billion people will be flooded with seawater,according to sci-听第6段材料,回答第6、7题。Had it not been for the Cubans,I would have been unaware thatentific forecasts.This puts about 40 percent of Bangladesh's ag-6.What color of the dress does the woman expect to buy?第二部分阅读理解(共两节,满分40分)第一节(共15小题:每小题2分,满分30分)the maps I had were outdated and wrong.They left out reserricultural fields in jeopardy and already residents of coastal areasA.Dark shade.B.Pink shadeC Bright shade7.Why does the woman want to change the color of her dress阅读下列短文,从每题所给的A、B、C和D四个选项中,选voirs,which was a problem because hadsampled downstreamare experiencing frequent flooding from rising oceans and adap-ting to the new normal.T。look cool.出最佳选项of them,our results would have been misledOn the last night of the trip,we searched for a restaurantthe study,as soil salinity moves from low toEntertain Yourself in Decemberthat could seat all 14 of us at one table because that's what teamshigh,the share of agricultural income from shrimp and other sea-C.To look attractive.Gatewaysdo-sitting together.When a restaurant couldnt seat the teamfood farming goes up almost 60 percent.Transforming from rice听第7段材料,回答第8、9题This exhibit explores the immigrant experience in America.without splitting us up,my partners insisted that we move onto aquaculture isn't a simple or cheap try,however,and many8.How does thewoman plan to go to Los Angeles?By looking at community,social justice and gatherings,it aimsand find another restaurant with a large enough table.farmers can't afford to make the change on a large-scale level.A.By plane.B.By ship.C.By trainto show how28.What do coastal farmers in Bangladeshi have to do when fa-9.Why does the woman want to go to Los Angeles?In 26 years as a professor,I've always tried my best toton,Baltimecing salt pollution?A.To attend her cousin's wedding.my students as valued partners.I have never been a fan of theDec 5-6.Atia Community Museum.2026334820nce a diffegrade system in the academic world.I urge everyone workingA.Grow other field crops.B.To experierrent journeyFreebeautiful of Califomia.with me to feel as though they are parof aBut my CubaB.Maintain their rice planting.听第8段材料,回答第10至12题。Straight White Men,created by Korean American writerpartners take teamwork to another level entirely.They make itC.Expect glaciers to melt into the oceansYoung Jean Lee,is a play that deals with the privilege problemclear-through actions,both big and small that all team mem-D.Transform from agriculture to fishery industry.10.Why was the woman's coat dirty?A.She was pushed to the floorthrough the funny story of three brothers (Jake by Bruch Reed,bers are valued,that everyone is cqual,and that true teamwork29.Which word best describes Chen's data to create estimationDrew by Avery Clerk and Matt by Michael Tisdale)and their fa-contributes to beetter sciencemodels?B.She stood against a dirty wall.C.She fell onto the ground by accident.ther Ed played by Michael Winters,who rI returned to the United States as a changed scientist.Now,A.ComprehensiveB.Impractical线11.Where was the woman robbed?I spend more time listening and making sure that everyone's voiceC.Mysterious.D.False.is heard.A.In the bus.30.What does the underlined word "jeopardy"in paragraph 5B.In the street.Dec.18,Studio Theatre.202-332-3300.studiotheatre.org24.What impressed the author most when he visited the researchprobably meanC.On the underground train.$20-$85center?A.Store.B.Danger.C.Condition.D.Existence12.Who caught the robber?Piedmont BluesA.He was led to see everyone31.What is the best title for the text?As part of Strathmore's Shades of Blues festival,jazz pianistA.A policeman.and composer Gerald Clayton leads the nine-piece Assembly bandB.There were so many people thereA.Coastal residents in Bangladesh:stay or leave?B.Two passengers.C.Everybody gave a great presentationB.Climate change-the reason for agricultural lossesC.The conductor.in a performance featuring singer Rene Marie and tap danceMaurice Chestnut.This peD.The cooperator spoke perfect EnglishC.Coastal farmers in Bangladesh benefit from farming or听第9段材料,回答第13至16题」the bluemance,which highlights works bynot?will c13.Why did the man plan to go to Miami?film and photography25.Why did the author's partners refusto eat at the firstDec.10,Strathmore.301-581-5100restaurant?D.Climate change poses threat to coastal farmers inA.To do business.$30-$60.A.They wanted a smaller one.BangladeshB.To see his parents.WinterfestB.They wanted to save moneyC.To travel with the woman.You don't have to wait until spring training to get a look atC.They didn't want acrowded oneCan't you stand loud breathing?Does the sound of someoneD.They didn't want to be separated.chewing gum next to you make your blood boil?It turns out tha英语22 J-MJHE-I

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    学生用人书名师导学·选择性考试第一轮总复·化学2.次氯酸和次氯酸盐的性质有效成分为,它与洁厕灵(1)次氯酸(主要成分为盐酸)混合会立即产生氯气,其离酸性弱于碳酸子反应方程式是C1O+CI+2H+=C2个弱酸性用作消毒剂、漂白剂一强氧→见光分解+H20。、不稳盛放氯水的试剂瓶←一定性氯水的配②漂白粉不能用橡胶塞制与保存主要成分是,其中次氯酸见光分解的化学方程式:2HC1O有效成分是光照2HC1+02个。漂白原理:在潮湿的空气中能吸收CO2,(2)次氯酸盐化学反应方程式为Ca(C1O)2+CO2+H2O①“84”消毒液-2HClO+CaCO3。兽翻像偏命题视角分析核心知识突破“—置h:m典题引路【考向二】氯水的多重性质—科学探【考向一】氯气的性质及应用—科学究与创新意识素养水3要求;学业水2的态度与社会责任素养水2要求。序2要求。例辽宁某地化工厂的贮氯罐意外发生例2氯水中存在多种分子和离子,它们泄漏,泄漏出的氯气迅速向周围的居民区蔓在不同的反应中表现出不同的性质。下列结延,所到之处草木枯黄、大片蔬菜被毁。下列论正确的是()安全处理措施不正确的是(A加入有色布条,片刻后有色布条褪色,A.紧急组织群众向逆风方向疏散说明有C2存在B.消防队员向贮氯罐周围空气中喷洒稀B.溶液呈浅黄绿色,且有刺激性气味,说NaOH溶液明有HCI存在.C.组织群众用浸有稀氨水的毛巾捂住鼻C.加入AgNO3溶液,生成白色沉淀,说明子,趴在低洼处等待救援有C1-存在D.组织群众群众用浸有一定浓度D.加入NaOH溶液,氯水的浅黄绿色消NaHCO3或肥皂水的毛巾捂住鼻子,向山坡上失,说明有HCIO存在转移[素养点拨]收集实验证据,基于现象和[素养点拨]具有“绿色化学”观念,能运数据进行分析并得出结论;认识化学变化的多用所学知识分析和探讨某些化学过程对人类样性和复杂性;能设计物质转化的方案,能运健康、社会可持续发展可能带来的双重影响,用化学符号表征物质的变化,能说明化学变化并对这些影响从多个方面进行评估。的本质特征和变化规律。46

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    第2章海水中的元素一钠、氯物质的量学生用书4.(2022·浙江模拟)配制50g质量分数5%(2)待I厂沉淀完全后,过滤,将沉淀物置于小的氯化钠溶液不需要用到的玻璃仪器是烧杯中,在搅拌下逐滴加入适量浓HNO3,观察到(颜色)气体放出,(颜色)晶体析出。出于安全和环保考虑,该实验操作需在B(条件)下进行。该反应的化5.(教材改编)现需要80mL1.0mol/L的学方程式为HC1溶液,用10.0mol/L浓盐酸配制,下列叙述正确的是(3)用倾析法弃去上清液,固体物质用少量A.所选玻璃仪器:100mL容量瓶、胶头滴水洗涤后得到粗【2,进一步精制时,选择管、烧杯、量筒必需的仪器搭建装置,并按从下到上的B.所需浓盐酸的体积为8.0mL次序排列:(夹持装置C.向容量瓶转移液体时,导流用玻璃棒可以略)。接触容量瓶刻度线下内壁D.定容摇匀后,发现液面下降,继续加水至刻度线6.用质量分数为98%的浓硫酸(p=1.84g·cm-3)与水等体积混合后,所得溶液中溶质的质量分数为A.等于49%B.大于49%C.小于49%D.无法确定(4)将精制得到的12配成浓度为cmol·L-1二、非选择题的标准溶液,用来测定某样品中维生素C7.(2021·福建模拟)碘是人体必需的微量元(相对分子质量为M)的含量。具体操作素,也可用于工业、医药等领域。大量的碘如下:准确称量ag样品,溶于新煮沸过富集于海藻灰(主要成分是NaI)中,因此从并冷却至室温的蒸馏水中,煮沸蒸馏水海藻灰中提取碘,可有效利用海洋资源。的目的是(1)某兴趣小组以海藻灰为原料进行2的制。用250mL容量瓶配制溶液,备实验。具体步骤如下:将海藻灰加热使用(仪器)量取25.00mL样浸泡后,得到了NaI溶液,将适量品溶液于锥形瓶中,再加人10mL1:1Na2SO3固体溶于NaI溶液,再将CuSO4醋酸溶液和适量的指示剂,立饱和溶液滴人上述溶液中,生成白色CuI即用2标准溶液滴定,溶液显稳定的沉淀,该反应的离子方程式为(颜色)即为滴定终点,消耗I2标准溶液VmL,则样品中维生素C的369

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    听力材料Then Shunan went back to China to visitGuan Qixin is from Jilin and she is good atfamous tea producing areas.She 29 took teamaking paper cutting.She began to learn thecourses in a university.Years later,Shunantraditional art when she was in the sixth gradeopened a teahouse in New York City."There's aIn order to improve the skill,Guan alsobig 30 between what we serve and the ready-learned it from some artists.Her classmatesto-drink tea in stores,"Shunan explained.are interested in her works,so she sometimesThe tea leaves she uses can only be found in onecreates paper cuttings for themplace of China,so every spring,Shunan travelsthousands of miles back to China.gThere farmers lead her to mountains and forestsGuan once spent three months creating ato search for old tea trees.Sometimes she evengreat paper cutting by using scissors,paper31 trees to pick the best leaves.After that,itand knives.It was 13.3 meters long and hadusually takes months to 32 the leaves.For56 characters.To make these charactersShunan,delicious results are worth(值得)lively,Guan even created different coats andeverything."Nothing makes me happier thanskirts for them.Guan says she loves paperproducing the most authentic Chinese tea.Andcutting because it can help her to turn whatmy job is to protect this ancient traditional art.she likes into art.If 33 I hope to push it to a new height,"saidShunan.Your hat is really lovely,Paula!五.补全对话Really?(21)A(C )26.A.warm B.unusual试®(22)CMy uncle in Dongyang bought it for me asC.popularC.influencea gift last year.(C)27.A.help B.request含nH22ero(B )28.A.made a mess分B.made a decision C.made a speech飞(23)EYes,that's it.(A)29.A.even B.onlyC.everA.Thanks.(C)30.A.success B.problem C.differenceB.Good idea(C)31.A.plants B.buysC.climbsC.When did you buy it?D.Where is it produced?(B)32.A.introduce B.process C.createE.So is your hat made of bamboo?(B)33.A.wrong B.possible C.simpleF.I don't think it's great to buy it online.G.I can ask my uncle to buy two for youYes,a skilled man made it out of bamboo himself.Sounds great.I want to have a hat just like yours.七、阅读理解Me too(24)G®Anee(A )34.Chen Dong stayed in space for about®(25)BUsually we can almost buy everything onlinesix years ago.A.a monthB.two monthsA.Thanks.B.Good ideaC.three monthsC.When did you buy it?(A )35.Cai Xuzhe began to prepare for theD.Where is it produced?E.So is your hat made of bamboo?space trip inF.I don't think it's great to buy it online.A.2010B.2012C.2016G.I can ask my uncle to buy two for you.六、完形填空Tea is the second most popular drink in theworld after water.To Shunan Teng,tea is muchmore than a(n)26 drink.It's a kind of art whichB)36.The Shenzhou-14 astronauts areneeds protection.expected to welcome on the spaceAt a young age,Shunan developed the habit ofstation.drinking tea under the 27 of her parents.Later,A.a space lab and a spaceshipshe went to America to study.There she found itB.two space labs and two spaceshipsdifficult to find a cup of authentic(真正的)ChineseC.three space labs and a spaceshiptea.That's why Shunan 28 to spend her wholelife serving the most authentic Chinese tea.

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    广告英後闺教|八年级新课程(HNY)综合评估(2022-2023)第13期第13期(2022-2023)综合评估八年级新课程(HNY)I关後闺款3《英语周报》数字出版中心微堂荣誉出品Zanzibar Night Market is in a park called Forodhani Gardensthe world.That's why it got the nameKingdom ofUnits6一1综合能力评估试题During the daytime,the park looks very common.But after the sunBamboo.Bamboo has a very long history in China.36goes down,it turs into a lively night market.Here,you can find manyChinese people have used bamboo in many ways.For频放序报famous Tanzanian dishes such as coconut bread and different seafood.example.the plant was once an important building根据材科内容洗择最佳答案material (in China.37 Even today,we can findbamClassNameFull marks:120Your marks()26.Talad Rot Fai Srinakarin is insome of such buildings around us.In the past,people alsomadeListening test part(共20分)】A.Thailand B.Canada C.TanzaniaD.Malaysiabamboo into rafis (T)to get across rivers and lakes or go fishing()27.Richmond Night Market startedyears ago38 In the past,before Chinese people had paper to use,they used-、听力理解(20小题,每小题1分,共20分听下面一段种白.同答第10至第12三个小颗第面5段对话,每段对话后有)10.What will theA.Visit her per probably do next Saturday?一个小从题中所给的A、B、C三B.Clean her apartment.英A.2B.20C.22D.40bamboo as "paper"to write on.What's more,Chinese people have()28.Zanzibar Night Market isused this plant to make food,play music and so on.A.very bigB.in a park39 Chinese people believethat bamboo is a symbol of gooc个选项中选出最佳答案。每段对话读两遍)11.Whatc.in the center of a cityD.lively all day and nightcharacters ()It grows straight and tall.It can stand bad weather()1.Where did Ted give a talk yesterday?A.In a factory.B.In a park.A.Jmpanese food.eaker love toB.Thai food.)29.What do these three night markets have in common?And its green color is a good example of elegance )40 SuC.At school()2.What is the boy's resolution?C.Chinese food.A.Eating more vegetables.B.Exercising more.()12.Where will the speaker probably go next Sunday afternoon?语A They are near the seaB.They sell delicious foodShi,a famous writer of the Song Dynasty,wrote in his poem,"I wouldC.They are open only in summer.rather (eat no meat than live without bamboo."Do you loveC.Learning to singA.To a park.B.Io a theaterC.To a museum.D.They are home to many vintage shopsboo?)3.When will Nick see his parents?听下面一段对话,回答第13至第15三个小题。)30.The writer wrote this passage mainly to share with us根据材料内容,从下面五个选项中选出能填入文中空缺处的最佳选B InC.In August)13.What is the woman?A.some great night markets项,使短文意思通顺、内容完整。()4.What dos Mike wain the future?A.An artist.B.A reporterC.A teacherA.So,Chinese people love bamboo very muchC.A doctor.()14.What time does the woman usually stop working?B.his love for night marketsB.People used it to build houses,bridges and so on.()5.What will Jim give Sam as a gift?A.At 4:00 p.m.B.At 5:00 p.m.C.At 6:00 p.m.教C.how to have fun at night marketsC.Bamboo also has a special place in Chinese culture.A.A model car.B.A robot dog.C.A model rocket.)15.What does the woman like most about her iob?D.why night markets are very popular第二节A.Meeting interesting people.C易读度★★☆)D.Today,in some places,it's still possible for us to take a ride on a听下面几段对话或独白。每段对话或独白后有几个小题,从题中所B.Drawingand pai给的A、B、C三个选项中选出最佳答案。每段对话或独白读两遍。kids听下面一段对话,回答第6至第7两个小题。师bamboo raft.Yilynn Tang is a girl from Malaysia.She started to play tableennis at the age of seven and once played for the Malaysian nationalE.The history of Chinese people planting and using bamboo goes backabout 7.000 years.)6.What is Mark's hobby?一篇短文。按照你所听内容的先后顺序将下列图片排序(国家的)table tennis team.Because of her love for table tennis,sheRD CmmiC.Skating.文读两遍chose to study at Chengdu Sport University in Sichuan Province after63940ng)7.whdoMark thinkf doing the hofinishing high school三、完形填空(15小题,每小题1分,共15分)He likes itB.He听下面段对话,▣答第8至第9两个小题。C.He dislikes itIn China,Tang learned more about Chinese people's love for先通读短文,学握其大意,然后从A、B、C、D四个选项中选出一个可table tennis.She joined in a table tennis competition in Chengdu but以填入相应空白处的最佳答案。)8.Where is the girl going on holiday?易读度★★☆A.To Russia.B.To Thailandc.To Canadaonly came seventh in it.She was surprised to find that the top sixwinners were all old players.But later she knew it was normalIn the forest,there was a lion.He was very scary and ate a lot of)9.What does the boy think of his coming summer holidays?6animals.The other animals were afraid that the lion would eat themA.Busv.B.WonderfulC.Relaxing.的)because table tennis is a“national sport'”in China.Even children▣到can be very good at playing it.all,41 they decided to do something.They told the lion,"If youVritten test part(共i00分)打开微信扫描关注When studying in China,Tang not only plays table tennis better,42 to eat only one animal each day.one of us will come to you everybut also goes deep(深入地)into this sport.When she is free,sheday.Then you don't have to 43 food."The lion thought it was a、阅读理解(20小题,每小题2分,共40分))23.What does David Jones think of his job?阅读下面四篇语言材料,然后按文后要求做题A.It is easy but boring.足不出户在线订报watches videos()of Chinese top players playing to see how theygood44 and agreed.B.It is hard and boringplay the game and why they play that way.She really enjoys herself inThe next day,the rabbit (went to the lion.When the④易读度★☆☆C.It is hard but enjoyable.D.It is easy and enjoyable.playing and watching table tennis gamesrabbit 45,the lion was very hungry.He wasn't happy and askedDavid Jones writes news stories.He works for Daily Facts.We)24.What will David Jones do in the future?Why are you 46 ?Tang plans to go on with her study in Chengdu.She said that shespoke to him to find out about his job.A.He will write a book.B.He will work as a host.●HostDavid JonesC.He will start his own newspaper.教学资源When did you start to write news stories?D.He will keep writing news stories教学经验交教育资讯“I was hiding(躲避)47 another lion..That lion said he was thelearned from her life in Chengdu that sports have no limits andeveryone can find a sport to practice and keep healthy.She believesimg(大王),so I was48,”the rabbit answered..The lion said,"I'm the 49 king here!Take me to that lion,andthat she will learn more about table tennis in China.T°1l50him.)25.Which of the following words best describes david Jones?享根据材料内容选择最佳答案。A.ShyB.Serious.The rabbit said,"I'm happy to 51 you where he lives.④:Why did you become a writer?)31.From Paragraph 1,we can learn that Yilynn TangThe rabbit led(引领)the lion to a well(水井)and said,“Look!iting very much.When Iwaa kd.Iwroe otsfricsC.Kind.D.Hard-workingA.now lives in Malaysia扫在That52 lives inside.B易读度★★女)B.started to play table tennis at seven④:So why do you mainly write news stories now?线When the lion looked in the well,he saw his 53 in the water.If you like doing your shopping and eating some delicious food码C.will finish her high school this years:When I wrote storybooks,I spent a lot of time alone(独自),.I wantD.is playing for the Malaysian national table tennis teamBut he thought that it was the other lion.Then he jumped into the wellafter the sun goes down,a night market (can be a great place forto kill the other lion.And he 54came out.to meet different people and talk to them.That's why I write news.注阅()32.How did Yilynn Tang feel after getting the seventh place in aWhat a(n)55 rabbit!Do you think your job is hard?you to have fun.Here we have some of the greatest night markets intable tennis competition?the world.)41.A.butB.althoughC.soD.ifSome days are harder than others.Sometimes,many things第英A.Bad.B.Tired.C.Lucky.D.Surprised.Talad Rot Fai Srinakarin (Bangkok,Thailand)()33.Paragraph 3 is mainly about Yilynn Tang's)42.A.learnB.forgetC.wonderD.promisehappen.so I have to write a lot of news stories.I even have noTalad Rot Fai Srinakarin is one of the most famous night markets)43.A.hear aboutB.ask fortime for lunch!But at the end of a hard day,I am happy because I周A.plan for lifeB.work in Chinain Bangkok.Although it is quite far from the center of the city,it is aC.look atD.look fofeel good about the work I do.C.learning problemsD.love for table tennis)44.A.jobB.ideaC.symbolD.answerWhat do you in the future?lively market with so many people coming here to spend a nice()34.What does the underlined word "limits"in the last paragraph)45.A.leftevening.The market is a great place to sit,eat,drink and try somethingB.stoppedC.stoodD.arrived:I just want to write more good news storiesprobably mean in Chinese?)46.A.wetB.lateC.freeD.loudnew,and it is a dream place for lovers of vintage (thingsA.限制B.机会C.停歇D.曲折根据材料内容选择最佳答案)47.A.toB atC.fromD.inRichmond Night Market (Richmond,Canada)35.The writer wrote the passage mainly to)21.We can learn from the passage that Daily Facts is probably a◇48.A.scaredB.boredC.shyD.friendlyEvery summer.Richmond Night Market welcomes visitors inA.have more people play sports)49.A.onlyB.sameD.otherA.storybookCanada and from all over the world.The night market first openedB.tell the story of a young table tennis playerC.possibleB.newspaper)50.A.visitB.killC.chooseD.questionC.give a lesson on hard work to studentsC.talk showD.science magazine)in 2000.Over the years it has become larger and larger,and today)51.A.showB.keepD.show the friendship between China and MalaysiaC.leaveD.describe)22.David Jones writes news stories because heit is very popular.At its busiest,the market was home to as many as)52.A.lionB.tigerC.pandaD.rabbitA.enjoys staying aloneB.needs to make money4O0 booths(临时货摊)!When visiting it,,people can buy food,clothes,▣D易读度★★★))53.A.childB.seaC.aceD.mealC.loves reading newspapersand more.China is not only famous for its cute pandas,but also for the()54.A.alsoB.stillC.justD.neverD.wants to meet different peopleZanzibar Night Market(Zanzibar,Tanzania)animal's favorite food-bamboo.China grows the most bamboo in)55.A.outgoingB.smartC.prettyD.serious

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    考点30》水的电离及溶液的酸碱性1.D.解析:水在不同温度下的离子积常数不同,K.(25℃)=1.0×10-14

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    绝密★启用前听第7段8.What d2023年普通高等学校招生全国统一考试仿真密卷(十一)A.VisitB.Look英语C.Help9.Whatdo?h本试卷共150分,考试时间120分钟,考2.What does the woman probably want toA.Del试结束后,将本试卷和答题卡一并交回。be in the future?B.Clo注意事项:A.A teacher.B.A reporter.C.A doctorC.Can1.答题前,考生先将自己的姓3.How does the man help the woman?听第8段名、考生号、考场号和座位号填写A.By cutting the onions.10.Why清楚,将条形码准确粘贴在条形码B.By reading the recipe.film区域内。听力录音C.By adding the peppers to the pan.A.12.选择题必须使用2B铅笔填涂;非选择4.Where does the conversationprobablyB.It题必须使用0.5毫米黑色字迹的签字笔书take place?C.I写,字体工整,笔迹清楚。A.In a shop11W3.请按照题号顺序在答题卡各题目的答B.At home.w题区域内作答,超出答题区域书写的答案无C.In a restaurant.A效;在草稿纸、试卷上答题无效。5.What does the man mean?B4.作图可先使用铅笔画出,确定后必须A.The concert is canceled.C用黑色字迹的签字笔描黑。B.The Blue Kings is well known.12.W15.保持卡面清洁,不要折叠,不要弄破、C.The woman should go to the concert asA.弄皱。不准使用涂改液、修正带、刮纸刀。well.B.第二节(共15小题;每小题1.5分,满分第一部分听力(共两节,满分30分)22.5分)听第做题时,先将答案标在试卷上。录音内听下面5段对话或独白。每段对话或独13.W容结束后,你将有两分钟的时间将试卷上的白后有几个小题,从题中所给的A、B、C三个6答案转涂到答题卡上。选项中选出最佳选项。听每段对话或独白第一节(共5小题;每小题1.5分,满分7.5分)前,你将有时间阅读各个小题,每小题5秒听下面5段对话。每段对话后有一个小钟;听完后,各小题将给出5秒钟的作答时题,从题中所给的A、B、C三个选项中选出最间。每段对话或独白读两遍。14.佳选项。听完每段对话后,你都有10秒钟的听第6段材料,回答第6、7题时间来回答有关小题和阅读下一小题。每段6.What does the woman think of the yellow对话仅读一遍。rings?例:How much is the shirt'?A.Too big.A.£19.15.B.£9.18.C.£9.15.B.Too expensive.15.赵线答案是C。C.Perfect.1.What is the mangoing to do@?乃.7.What will the man buy for the woman?B16,A.Feed the dog.A.The red rings.B.Walk the dog.B.The blue necklace.C.Clean the doghouse.C.The yellow necklace.金卷仿真密卷(十一)·英语第1页(共8页)23·JJ·FZM0第只

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    听力材料:听下面一段对话,回答第10至第12两个小题。4.M:What are you doing,Lily?010-12CBA听W:I'm drawing pictures of traffic signs.10.Who is Steve?M:Why do you draw them?W:Because our class will have an activity on听A.Helen's friend.B.Helen's classmate.C.Helen's brother.理Mondav.5.M:The bookstore is a long way from here.Are you11.What does Helen's father do?A.He's a doctor.B.He's a policemansure you want to get there on foot?理C.He's a teacher.W:Yes.I'm sure we can get there in half an hour.12.What does Helen's father want people to do?M:But the bookstore closes at 8:30 pm.It's 7:50A.Obey the traffi c rules.now.Can we just take the bus?It's coming.B.Look both ways.W:OK.You're right.C.Help children cross the street.第二节听下面一段对话,回答第6至第7两个小题。听力材料:06-7ACI'm Helen.There are four people in my family.My6.How often does Tom eat out?brother Steve and I are both students.We are in the听A.Once a week.B.Twice a week.same school and we go to school by bus.My mother力C.Once a monthis a doctor,and my father is a policeman.My mother7.Where is the restaurant?解works in the office,but my father works on the解A.Behind Green Park.B.Next to Green Park.street.He wants people to obey the traffic rulesC.Across from Green Park.be safe.听下面一段对话,回答第13至第15两个小题。听力材料:413-15AAC听W:Tom,how often do you eat out?13.What kind of books can they buy at thebookstore?M:Once a week.I like the food in HappyA.Only old books.B.Only new books.Restaurant.力C.Both old and new books.解W:Where is the restaurant?14.When will they go there?M:It's across from Green Park.解A.This Friday.B.This SaturdayC.This Sunday15.How will they get to the bookstore?gA.By bike.B.By bus.C.On foot.听下面一段对话,回答第8至第9两个小题。听力材料:08-9BCW:Do you know the new bookstore near our听8.What's this on the car?school?M:Yes,I hear it only sells old books,right?A.A card.B.A ticket.C.A picture.力W:Yes.Books there are cheap and we can buysome.驛9.Where is the parking lot?M:Great!Let's go there after school this Friday.解W:Good idea!We can walk there and then take aA.In front of the bankbus to go homeB.Next to the hospital.M:Sounds great!C.Behind the building.第三节听下面几段短文。按照你所听内容16-20 DACEB的先后顺序将下列图片排序。短文读两遍。听力材料:M:Mom,what's this on the car?听W:It's a ticket for parking in the wrong placeM:Is there a parking lot near here?驛W:Yes,it's behind the building.听力理解

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    4o.E。根据设空处前面的When children participate in...generosity and humility可知,如果节日期间孩子们参与向贫困群体捐赠或送礼物的活动,他们还能学会与人分享和关爱他人,了解慷慨和谦逊的重要性。£项“同时他们也能学会对自己所拥有和收到的东西心存感激”与上一句并列,符合语境。thankful与设空处前面的generosity呼应。【词汇链接】1.delicacy:佳肴2.humility:谦虚语言运用第一节主题语境:人与自我一一做人与做事本文是记叙文。美国马里兰州的一名业余无线电爱好者帮助拯救了因飓风受困于佛罗里达州萨尼伯尔岛的人们。41.C。根据radio、tuned in to several networks和news on Hurricane lan可知,Klonin收听无线电中的一些频段,关注着有关飓风伊恩的新闻。follow意为“密切注意”,符合语境。42.B.hobby and service that people all over the world use to talk without the Internet orcell phones可知,业余无线电是一项受欢迎的爱好和服务。世界各地的人们在没有互联网或手机的情况下使用这项服务进行通话。43.D.根据went to a shop where his car、bill和选项可推知,Klonin的车在那家店维修。service意为“检修,维修”,符合语境。44.A。当Klonin结账时,他和服务顾问Aly Ruiz闲聊起来。settle意为“结算,结清”,符合语境。45.B。根据made small talk和两个that后的内容可知,Ruiz向Klonin诉说了她妹妹的一些情况。share意为“诉说”,符合语境。46.C。根据she hadn't heard from Kelsey in four hours可知,Ruiz有点担心,因为她已经四个小时没有收到妹妹的消息了。47.A.I've been ..some nets all morning.Some of the emergency operation centers arelistening too可知,Klonin说自己一上午都在听无线电,一些紧急行动中心也在监听。listening在文中多次原词复现。48.B.根据Let me get through a message that some people might need和上段中提到的Kelsey失联的内容可知,Klonin提议把有人可能需要帮助的信息传递出去。49.D.Ruiz readily supplied all the needed...including the number of Kelsey's satellitecommunicator可知,Ruiz毫不迟疑地提供了所有需要的信息,包括Kelsey的卫星通信器的号码。50.B。5l.A。根据Klonin began his drive home and during the.Ruiz texted him,saying hersister had.using the satellite communicator可知,在Klonin开车回家的途中,Ruiz发来信息说她妹妹用卫星通信器(和她)联系了。52.C。根据上文提到的Hurricane lan、her sister Kelsey was on Florida's Sanibel Island、hadn'theard from Kelsey in four hours可推知,Kelsey和另外九人被困在了萨尼伯尔岛上。53.D。根据After returning home,Klonin got on the radio and…all of Kelsey's information可知,到家后Klonin打开无线电并将Kelsey的信息传递出去。54.D。根据The authorities in Florida made..with Kelsey and all people were rescued可知,佛罗里达当局与Kelsey取得了联系,所有人获救。55.C。根据They tend to help people far away可知,Klonin说业余无线电爱好者关心(别人),会帮助远方的人们。

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    (2)装置C中生成K2FeO,的化学方程式为(5)“母液”中溶质的主要成分除(NH4)2SO4外,还有(填化学式)。(3)实验得知装置C中吸收Cl2的量为装置A中生成Cl2总量的75%,若装置D中的氧化(6)某工厂用10t该铬铝矿渣制备Cr(OH)3,若铬的损耗率为20%,最终可以得到Cr(OH)。产物只有0.02 mol NaClO,且不考虑其他消耗,则理论上生成K,FeO4的质量为的质量为t。g。14.(15分)G是有机化学中重要的中间体,能用于合成多种药物和农药,G的一种合成路线如图:实验(二)探究K,FeO,的性质。NaOH溶液2HI.探究K2FeO4在酸性条件下的稳定性③D④ON◇COOHOHOOCCHOH一R溶液AE⑤Fe/HCl还原COOH乙酰氯-K.PeO.(ag)一定条件FHO6的酸化的KI-淀粉溶液浓硫酸aNO2NH些已知:实验中观察到试管b中溶液变为蓝色,试管a中溶液由紫红色变为黄色并产生气泡。Fe/HCI(4)R溶液为(填“稀硫酸”或“盐酸”),写出装置a中的离子方程式:,不已知:(呈碱性,易被氧化);硝化反应指在硝化试剂的作用下,有机化选择另一种酸的主要原因是合物分子中的氢原子或基团被硝基取代的反应。(5)设计一种方案检验从d口逸出的气体:请回答下列问题:Ⅱ.探究K2FeO4在酸性条件下的氧化性。(1)A的化学名称为,B的结构简式为(6)向K2FeO,溶液中滴加少量用稀硫酸酸化后的MnSO,溶液,溶液呈紫红色。别(2)E中官能团的名称为硝基、,④的反应类型为(填“能”或“不能”)证明氧化性:FcO>MnO,原因是(用文字说明)。(3)G的分子式为;FG的化学方程式为的13.(15分)Cr(OH)3可用于制备铬颜料及铬盐,由铬铝矿渣(含57%的Cr2O,其余为Al,O(4)在C的同分异构体中,同时满足下列条件的结构有种(不考虑立体异构)。和SiO2)制备Cr(OH)3的工艺流程如图所示。回答下列问题:①能与NaHCO溶液反应;②能发生银镜反应和水解反应;③结构中除苯环外不含其j.NaS,01溶液02Na,C03HOCOⅱ.浓氨水他环。其中,核磁共振氢谱有5组峰,且峰面积之比为2:2:2:1:1的同分异构体的结构简式为(写一种)。多铬铝矿渣高温焙烧→水浸一→沉淀池1酸化沉淀池ⅡCr(OH)滤渣母液已知:①“高温焙烧”可以使矿渣转化为可溶性盐。②酸性条件下,Cr2O号能稳定存在。(1)“高温焙烧”前需将铬铝矿渣进行球磨粉碎,目的是“高温焙烧”时CrzO3最终生成Na2CrO,当有7.6 kg Cr2O3参与反应时,消耗O2的体积为m3(标准状况),反应中O2作(填“还原剂”或“氧化剂”)。(2)“滤渣”的主要成分为(填化学式)。(3)“酸化”时,含铬微粒发生反应的离子方程式为(4)“沉淀池Ⅱ”中加入Na2S2O3溶液的目的是【高三化学第5页(共6页)】·24-68C·【高三化学第6页(共6页)】·24-68C·

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    讲三步一体高效训练灯记Deeply moved by what she said,Madison held the lead rope tightly in her hands.答案:One possible version:Lucy's present was the very last to be opened.Worrying that it would ruin the party,Madison grabbed the presentunwillingly and tore open the gift-wrap paper.Inside was a delicately hand-made lead rope!Shocked,she widened hereyes,covering her hands over her mouth."It's a lead rope for your horse Star.I made it by myself!"Madison pulled itout of the box and placed it on her lap,amazed at its beauty.Lucy added,"I heard you talking about your horse atschool.That's when I got the idea to make you a lead rope.Deeply moved by what she said,Madison held the lead rope tightly in her hands.It was,by far,her very favoritebirthday present of the day.She suddenly felt so bad because she had been so mean to Lucy.With tears in her eyes,sheblinked hard to fight them back,feeling a mixture of regret and gratitude."Thanks so much for this lead rope.I loveit!Would you like to join us and be our friends?"Lucy nodded cheerfully.Madison put her arm around Lucy's shoul-ders,both smiling.With applause and laughter echoing through the house,Lucy joined the other girls to enjoy the par-ty.25【24新教材·ZCYK,英语-BSD-选择性必修第二册-Y】

  • 2024年普通高等学校招生全国统一考试模拟试题英语一衡水金卷先享题分科综合卷

    》类型4读后续写阅读下列材料,根据其内容和所给段落开头语续写两段,使之构成一篇完整的短文。Passage 1原汁原味外文素材(新考法I创设真实情境·日常生活)Once in a toy shop,there was a little checkered(有toy rabbit.It had a soft,yellow and white body,a pretty pink nose and big eyes.No one knew just how long the checkered toy rabbit had been sitting there alone on theold shelf.But it must have been there for months,because by the time the little girl cameinto the shop to buy a toy rabbit,.the checkered toy rabbit had gotten creased(有折痕的)and very dusty.The little girl walked up and down the shelves of the shop,looking for just the "right"toy rabbit for her baby sister.It was very important because it was for her baby sister'sbirthday.So the little girl looked very carefully at every single toy rabbit.She picked out the one that she thought was very cute,but put it right back on the shelfbecause it was too expensive.All she had was a few dollars,which had taken her a wholeyear to save up.Even though it added up to only $5.00,that was a lot of money for a littlegirl.And all she wanted to do with the money was to buy a present for her baby sisterHowever,$5.00 was still not enough to buy any toy rabbit in the shop.So she wentover to the store owner and said,"Sir,could you please help me find a toy rabbit for mybaby sister?I only have $5.00,but all toy rabbits in your store are much more than that!"The shop owner looked down at the little girl with the big sad eyes and said,"Well,wereally don't have any bunnies that cost $5.00.The little girl cried,wiping her eyes with herhandkerchief,and walked out of the shop sadly.注意:1.续写词数应为150左右;2.请按如下格式在相应位置作答。Paragraph 1:“But wait,”said the store owner.Paragraph 2:The little girl walked home happily with the toy rabbit in her arms.175

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    第(4)问,化学方程式的书写:太心容第(⑤)问,分析结构简式中手性碳原子数目的考查,最后一问考查同分异构体数目。。试卷第6页,共6页

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    化学试卷注意事项:1,答题前,考生务必用黑色碳素笔将自己的姓名、准考证号、考场号、座位号在答题卡上填写清楚。2.每小题选出答案后,用2B铅笔把答题卡上对应题目的答案标号涂黑。如需改动,用橡皮擦干净后,再选涂其他答案标号。在试题卷上作答无效。3.考试结束后,请将本试卷和答题卡一并交回。满分100分,考试用时75分钟。以下数据可供解题时参考。可能用到的相对原子质量:H一1C-12N一140-16C一35.5Mn一55Fe-56Cu-64一、选择题:本题共14小题,每小题3分。在每小题给出的四个选项中,只有一项是符合题目要求的。1.化学与生产、生活、科技息息相关,下列叙述正确的是A.成都大运会的火炬“蓉火”使用的生物质丙烷燃料属于清洁性燃料B.向蛋白质溶液中加入浓氯化铵溶液有沉淀生成属于化学变化C.制造大型抛物面天线的铝合金、玻璃钢均属于金属材料D.嫦娥五号月球采样机钻杆用到的碳化硅属于传统无机非金属材料2.化学用语是化学学和表达的一种语言,下列化学用语或描述中正确的是A.基态硼原子最高能级的电子云轮廓图B.碳化钙的电子式:[CCa2“[:C]C.1s22s22p→1s22s22p过程中形成的是吸收光谱D.SO的VSEPR模型:3.设N为阿伏加德罗常数的值,下列说法正确的是A5.6g铁与7.1gCl,充分反应,转移电子数目为0.3N,B,常温常压下,9.2gN02和N,0,混合气体中含有的氮原子数目为0.2N,化学·第1页(共8页)

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    正老等过墨,垂电家复水中运水薰酸最定等旅出复气,质看水氯酸的不断分爆,亚终该瓶能水会转化亡藏时湾大有液途巴减小,A正确:光强过程中,随着次氯酸的不乐分得,溶液中精有更多的氧气与水发生立立过发大品正黄:光强过程中,随看次氯霞的不断分果,政出的氯气蓬来愿多,广口瓶。凭气德国合蚕不哥碧大C正喷:溶版的皂导率与海液中的离子旅度成正比,亮照过程中,溶液中的离干常度不断增大、则容夜药电孕享心不断墙大最经当溶液完全变为盒酸时,客液的电学率保特不变,位g周限作屋化并加头的条件下1四X或1mY最多能与1回lH:发生加应反应,C质误,经D1个基态C直子有个未成避电于,A借误:C:在晶胞中处于体心位置,B结误:晶体中每个Ca周国紧等且垂写福享药0共有12个,C结误:C1与0最小间距为晶胞面对角线长度的一半,则晶胞面对角线长度方么口直参美务am盖格的程度为万8X-P水m,D正确1404D左右两侧气体的温度.压查相同,相同条件下,气体的体积之比等于其物质的量之比,左、右两侧气体的体积之比方4:1,则左右两侧气体的物贡的量之比也为4:1,则右侧气体的物质的量为四-0.25。A正确:相同条件下,气体的密度之比等于气体的摩尔质量之比,右侧气体的均摩尔质量一0.5©8 g多g~m,氧气药章尔质量也为32g·m,则右侧气体的密度等于相同条件下氧气的密度.B正确:右侧C0和C0,的总质量为8g,C0和C0,的总物质的量为0.25m0l,设C0的物质的量为xmol,二氧化要的物质的量为0.25-)m0,则有28十44×(0.25-)-8,每得-品m,则c0的质量-品mX328莒·m0=5.25g,C正确:若改变右侧退合气体的充人量而使隔板处于距离右端。处,则左、右侧气体体积之比为5:1,右侧充人的C0和C0,的混合气体的物质的量为四=0.2m0l,相同条件下气体的压之比等于气体的物质的量之比,则前后两次充人容器内的气体的压强之比=(1+0.25)m0l:(1十0.2)m0l=25:24,D错误。15.(1)①烧杯中溶孩变红(2分)②Ba2+-20H+2H+S0=BaS0,¥+2H20(2分)(2)①Ba2、C1-(2分)②D(2分)(3)S02+20H-S0+H2O(2分)BC(2分)电子转移(2分)I6.(I)MnO,+4HCi(浓)△MnC2+C↑+2H,O(2分)饱和食盐水(2分)衡气压,防止倒吸(2分)(2)足量的KOH固体(或KOH固体)(1分)大量晶体析出(2分)用无水乙醇洗涤2~3次(或用无水乙醇洗涤)(1分)(3)2NaC1O,+4HCI-2CO2↑+C2↑+2NaC1+2H,0(2分)(4)3Cl+I+60H-6CI+I05+3H2O(2分)7.(1)Mg2+、AP+(2分)r、NO、SO、CI(2分)(2)Mg(OH)(2分】(3)6T+2N0+8H*-3L+2N0↑+4H0(2分)(4)①AC(1分】②不能(分)量中所得的溶液是加入过量盐酸后的溶液,溶液中一定含有C」,但不能说明该废水中就一定含有C广(分).$23分】【高三化学参考答案第2页(共3页)】24161C

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    11.下列实验操作或做法正确且能达到目的的是选项实验操作或做法目的向盛有NaSO3固体的锥形瓶中滴加稀盐酸,产生无A证明氯元素的非金属性强于硫元素色气体实验室将生成的乙酸乙酯导人饱和的Naz CO,溶液B使乙酸乙酯产品更加纯净中,分液向2支盛有5mL不同浓度NaHSO,溶液的试管中同探究浓度对反应速率的彩响时加人2L5%的H2O2溶液,观察实验现象向淀粉水解液中直接加人新制银氨溶液并水浴加热,D说明淀粉未发生水解未形成银镜12.由W、X、Y、Z四种原子序数依次增大的短周期主族元素组成的化合物M可作肥料,W、X、Y、Z分属三个短周期,其中X、Z位于同一主族,Y是地壳中含量最多的元素,且四种元素的原子序数之和为31,下列说法正确的是A.由W、X组成的某种化合物与水可形成分子间氢键B.最简单氢化物的稳定性:X>Z>YC.简单离子半径:XZ>YD.Z的最高价氧化物对应的水化物为二元强酸13.某温度下,在2L恒容密闭容器中加入3.0molX,发生反应3X(s)=Y(g)+2Z(g),反应过程中有关数据如下表:时间/min0510152025Z的物质的量/mol00.10.180.250.250.25下列说法错误的是A.5min时,Y的浓度为0.025mol·L-1B.0~10min内,Y的均反应速率为0.0045mol·L-1·min-1C当容器内艺的值不变时,该反应达到衡状态D.当混合气体的密度不再改变时,该反应达到最大限度14.某固体混合物可能由SiO2、Fe2zO3、FeS、Na2SO、Na2CO3、BaCl2中的若干种物质组成,设计部分实验方案探究该固体混合物的成分,所加试剂均过量。下列说法正确的是一+气体KMnO.(H)气体B(气体体积减,体混合物稀HS0,→游液A0H溶液广白色沉淀B(一段时间后颜色加深)L溶液BBa(NOb溶液广沉淀C→周体AL溶液CHNO沉淀DAgNoA.气体A中一定含有SO2B.固体A中一定含有S和BaSO,C.该固体混合物中一定含有Na2CO3、BaCl2、SiO2D.该固体混合物至少含Fe2O3和FeS中的一种【高三化学第3页(共6页)】·24-60C·

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    2023-2024学年第一学期11月高三阶段测试化学参考答案1B【详解】A.竟赛自行车整体车架采用高模量碳纤维,高模量碳纤维属于新型无机非金属材料,A错误:B.运动员房间的激口杯、衣架采用麦秸秆材质,麦秸秆的化学成分为纤维素,属于天然有机高分子材料,B正确:C.白色棚罩“云之翼”的顶部覆盖了带二氧化钛涂层的PT℉E膜,PT℉E膜的主要化学成分是聚四氟乙烯,属于合成有机高分子材料,C错误:D.亚运火炬“薪火的金属部分采用1070铝合金旋压成型,铝合金属于无机金属材料,D错误.2.C【详解】A.二氧化氮易溶于水而且与水反应,不能用排水法收集,叙述错误,A错误:B.乙醇与水互溶,不能萃取碘单质,叙述错误,B错误:C.氯化氢和水都是极性分子,利用“相似相溶”原理可以解释氯化氢极易溶于水进行喷泉实验,C正确:D.二氧化疏用NaOH溶液吸收是由于发生了化学反应,叙述错误,D错误。3.D【详解】A.氮气中形成氮氮三键,N2的结构式是N=N,A错误:B.S2结构示意图应为:B错误:CKCI为离子化合物,形成过程错误,C错误。4.C【详解】A步骤①中反应产物应为C0,A错误:B.二氧化硅是酸性氧化物,但不溶于水,不能与水反应生成硅酸,B错误:C.SiHC1:(沸点33.0℃)中含有少量的SiC14(沸点57.6℃),互溶的液体且沸点有差距可以通过蒸馏(或分馏)分离,提纯SHC1,C正确:D.纯硅中含有的共价键数目为2N,时,其质量为28g,D错误.5.B【详解】A.b、c、d三个过程的转化都可以与O2反应实现,A正确:B.NO溶于水反应产生NO和NO,生成物中含有NO;,在该过程中N元素化合价发生了变化,因此不能根据过程h说明NO2为酸性氧化物,B错误:C.汽车尾气中含有NO,在尾气排放时,在尾气排放管中发生反应:2NO+2CO=N2+2CO2,实现了由NO向的转化,故过程j可能为汽车尾气的处理过程,C正确:D.氮的固定是指将氮气转化为氮的化合物的过程,反应C、k这两步转化都属于单质转变为化合物,D正确。6.D【详解】A.常温常压下,23gNO2和NO,混合气体含有的分子数不能确定,A错误:B.1 mol Cu与足量的S反应生成CuS,失去N:个电子,B错误:C.标准状况下,1ol乙炔与氢气完全加成,破坏的共用电子对数为4Wa,C错误:D.9.2gNa与含0.1 mol HC1的稀盐酸充分反应时,酸不足水补齐,0.4 nol Na转移电子数目为0.4N,,D正确。7.C【详解】A因次氯酸弱于碳酸,所以方程式中次氯酸根不存在,应为次氯酸分子,A错误:第1页

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    -

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    19.(14分)制造航天飞船的主要材料是铝,工业上制铝时用冰晶石(NaAF6)做助熔剂,已知NaAF6微溶于水。工业上以一种含氟矿石(主要成分CasF(POa3、SiO2)和含铝废渣(主要成份A1、Al2O3,含有FeO4、PbO杂质)联合制备冰晶石流程如下:NH4HCO300HaSOsH2OH2SIFo酸浸1SIF4吸收转化→SiO2含氟矿石一CaS04·2H20SiozNH4F合成—→系列操作→Na3 AIF6Na2SO4滤渣Al2(SO4)3退液含铝废渣→酸浸2→氧化萃取→有机层→Fe2(SO43溶液HaSO氧化剂萃取剂区与“吸收”、“转化”生成的(1)“酸浸1”产生的CaS042H20俗称为利用CaSO4转化成SiO2在一定条件下用于制造玻璃工业的原料。(2已知酸浸1还生成一种三元弱酸,写出发生总反应的化学方程式(3)“酸浸2”产生的滤渣是“氧化加入的最适宜氧化剂是其目的是(4)“萃取”过程可表示为Fe2(SO4)3(水层)+6HX(有机层)一2FeX3(有机层)+3H2SO4(水层),由有机层获取Fez(SO4)3溶液的操作是(⑤)“系列操作包含过滤、某工厂用m1kg含氟矿石(含CasF(PO4)340%)制备Na3AlF6,最终得到产品m2kg,产率为【化学试题第6页共6页】

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    pH的目的是生成Fe(OH)3、Al(OH)3,除去杂质Fe3+、AI3+,所以滤渣2的成分是Fe(OH)3、A1(OH)3;(4)流程中加入N2S2O,的作用为作还原剂,将铬元素还原为正三价,以便后续步骤沉淀分离;“转化”时在碱性条件下加入双氧水将锰离子氧化,反应的离子方程式为M+十H2O2十2OH-MnO2↓+2H2O;·(5)根据Cr3+、Mn+的沉淀率与关系图,pH为6.0时,Cr3+的沉淀率较高、Mn+的损失率较低,则“沉铬”过程最佳的pH为6.0;此时c(H+)=10-6mol/L,已知Kw近似为10-14,则c(0H)=10mol/L,c(Cr+)=K,[Cx(0H,]_=1X10n(OH-)(1X10-5)mol/L-1X10-mol/L.27.(14分,每空2分)(1)三颈烧瓶.冷凝回流有机物(2)乙醇防止空气进入装置C,影响制备(3)加快反应速率,使反应更加充分,提高原料利用率(4)洗去多余的KOH取最后一次洗涤的水层中液体少许于试管中,滴入硝酸酸化的硝酸银溶液,无白色沉淀产生说明洗涤干净,反之则没有洗涤干净(言之有理即可得分)【命题意图】考查新情境下液相制备实验的分析与设计;常用仪器的使用方法;萃取和分液等分离操作;离子检验【解析】(1)由图可知,仪器C的名称是三颈烧瓶;仪器b是球形冷凝管,其作用是使乙醚、环戊二烯液化并回流到三颈烧瓶中,故答案为:冷凝回流有机物;(2)根据反应原理可知,该反应用到了有机物乙醚和环戊二烯,反应过程中容易挥发,它们沸点接近室温,可能冷凝不完全从冷凝管逸出,根据题给信息环戊烯不溶于水,溶于乙醚和乙醇,乙醚溶于乙醇,故可以用乙醇来吸收挥发未冷凝的环戊二烯和乙醚,故D中试剂的名称是乙醇;该反应过程中使用的是二价铁,D中导管插入液面以下可以防止空气进入装置C,影响制备;(3)通过搅拌可以加快反应速率,使反应更加充分,提高原料利用率;(4)步骤V用盐酸洗涤的目的是洗去多余的KOH,水洗的目的是洗去过量的盐酸,若未洗净,必含有氯离子,取最后一次洗涤的水层中液体少许于试管中,滴入硝酸酸化的AgNO3溶液,无白色沉淀氯化银产生,说明已洗涤干净。28.(15分)(1)2V0s0,(s)+0(g)一2S0,(g)+V,0,(s)△H,=+277km0F(2分,热化学方程式与△H正确但化学计量数不是这一组也满分)(2)1(1分)2x2o1分案第2页(共4页)

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    CD(3)步骤ⅱ选用的指示剂为,滴定终点的现象为(4)该“84”消毒液中C1O与HC1O的总浓度为mol·L1,测得的结果小于该“84”消毒液标签上的浓度,可能原因为(填标号).a.滴定终点读数时仰视刻度线b.该“84”消毒液在光照下放置时间过长c.滴定振荡时,有少量待测液溅出.滴定前,盛装标准溶液的滴定管下端有气泡未赶出18.(14分)LFP()(简称IFP)主要用于各种锂离子电池,是最安全的锂离子电池正极材料,不含任何对人体有害的重金属元素。以盐湖卤水(主要含有NaCl、MgCl2、LiCI和Na2B,O,等)为原料制备LiFePO4的工艺流程如图。HCI水过量NaOH溶液过量C)。盐湖酸化日晒蒸发卤水脱硼喷雾干燥煅烧水浸富集炭化HBO,(硼酸)MgOFePO,CoHi2OaLiFePO00高温蒸发分解注:日晒蒸发、喷雾千燥后固体含NaCl、LiCL、MgC2·6H2O等。(1)LiFePO中Fe的化合价为价。(2)硼酸在水中的溶解度随温度的变化关系如图1所示。已知:H3BO3+H2O→[B(OH)4]+H6.2gHBO3最多与mL2.5mol·L,1Na)H溶液完全反应。“酸化脱硼”中采用(填“加热”或“冷却”),采用该操作的目的是(3)“煅烧”过程中,常需要搅拌,搅拌的目的是(4)“蒸发分解”的化学方程式为(5)已知不同温度下蒸发分解得到L2CO,的产率及其溶解度随温度的变化关系如图2所示。则“蒸发分解”的最佳温度是,制得L2CO3后需要洗涤,具体操作为451.6401.4■溶解度40产率1.23020100.8200.610则02040608010004温度/℃0102030405060708090100110图1图2温度/℃【高三化学第5页(共6页)】·24-156C·

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    -

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    (4)将装置C进行17~20℃冷水浴(5)①当滴入最后半滴标准液时,溶液的颜色由蓝色变成无色,且半分钟内不变色②A③50%【解析】(5)③由题干信息可知,反应的关系式为2C1~(CNO)3Cl2Na~2I2~4S2O,2-,即25.00mL样品溶液n(C)=2(Na:S,0)=0.5×0.1000X40×103mol=2×10mol,则1.4200g样品中n(CD=2X10mol×0-2X10m0,所以样品的有效氯测定值为2X082×100%=50%。1.4200g17.(每空2分)(1)适当提高酸浸温度、适当增加硫酸浓度等(答案合理即可)(2)2Fe2++H2O2+2H+—2Fe3++2H2O(3)5.2≤pH<7.5(5.2~7.5也可以)(4)SiO2、CaSO4(少答一个给1分,答错不给分)(5)硫酸(或其他非氧化性无机强酸,合理即可)(6)不能,该反应的衡常数K=2.5×106,转化程度小,不能实现转化(7)3.84×10-2【解析】(5)“反萃取”原理是用反萃取剂使被萃取物从有机相返回水相的过程。向操作①后溶有NR2的有机层中加入硫酸(或其他非氧化性无机强酸,合理即可),根据反应原理M+十nRH一MR,十nH+可重新得到RH,循环使用。(6)根据题干数据可知,CoC0,(s)+C,0(aq)-=CoC,0,(s)+C0(aq)该反应的衡常数K=cCOS)c(C2O)=c(C0)×cCa)=Km(CaC0)=2.5X05,转化程度小,不能实现该转化。c(C2O)c(Ca2)Kn (CaC2 O)25℃pH2的草酸溶液中C,0〉-C0)·c且Xc1C,0)·cHXy1c(H2C2O)c(HC2O)c(H2C2O)11K,(H,C.0,)XK,(H.C.0,)×2(H-6.4X105×6X102×a0z-3.84×10。18.(每空2分)(1)NO2 (g)+SO2 (g)=SO3 (g)+NO(g)AH=-42.5 kJ.mol-(2)①cd②60%1(3)B(4)乙p>p2>p:T时以反应②为主,反应②前后气体分子数相等,压强改变对衡没有影响【高二化学试题参考答案第3页(共3页)】

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    A.①⑥B.②④C.③⑦D.④⑤10.下列事实中,能用勒夏特列原理解释的是()A.配制FeSO4溶液时,加入一些铁粉B.500℃左右比室温更有利于合成氨的反应C.实验室常用排饱和食盐水的方法收集氯气D.由H2、I2(g)、HI组成的衡体系,加压后颜色加深11.下列说法或表示正确的是()A.等量的硫蒸气和硫固体分别完全燃烧,后者放出热量多B.由C(s,石墨)=C(s,金刚石)△H=+1.9 kJ-mol1可知,金刚石比石墨稳定C.在稀溶液中:H(aq)+OH(aq)=H20(1)△H=-57.3 kJ-mol',若将含1 mol CH3COOH的醋酸溶液与含1 mol NaOH的氢氧化钠溶液混合,放出的热量小于57.3kJD.在101kPa时,2gH2完全燃烧生成液态水,放出285.8kJ热量,氢气燃烧的热化学方程式表示为2H2(g)十O2(g)=2H20(1)△H=-285.8 kJ-mol112.在一密闭容器中发生反应:2A(g)+2B(g)=C(S+3D(gAH<0,达到衡时采取下列措施,可以使正反应速率增大,D的物质的量浓度增大的是()A.移走少量CB.升高温度C.缩小容积,增大压强D.容积不变,充入氦气13.醋酸溶液中存在电离衡CH3COOH三CH3COO+H,下列各项不正确的是(A.醋酸溶液中离子浓度关系满足:c(H=c(OH)+c(CH;COO)B.常温下,pH=2的CH:COOH溶液与pH=I2的NaOH溶液等体积混合后,溶液的pH<7C.向CH3COOH溶液中加少量的CH3 COONa固体,衡逆向移动D.将0.10 mol/L CH3COOH溶液加水稀释,溶液中所有的离子浓度都减小14.利用图示装置测定中和热的实验步骤如下:①量取50mL0.25mol/LH,S0,溶液倒温度计入小烧杯中,测量温度:②量取50mL0.55mol/LNaOH溶液,测量温度:③打开杯盖,将NaOH溶液倒量热计的内筒,立即盖上杯盖,插入温度计,混合均匀后测量混合液内筒、温度。下列说法不正确的是()杯盖隔热层A.仪器A的名称是玻璃搅拌器B.为便于酸碱充分反应,NaOH溶液应分多次加入外壳C NaOH溶液稍过量的原因是确保硫酸完全被中和简易量热计示意图D.用温度计测定NaOH溶液起始温度后直接测定H,SO,溶液的温度,所测中和热△H有误差。15.下列有关仪器的名称、图形、用途与使用操作的叙述均正确的是(名称ABCD名称250mL容量瓶分液漏斗酸式滴定管冷凝管图形配制1.0molL1NaC1溶用酒精萃取碘水用途与可用于量取液,定容时仰视刻度,则中的碘,分液时,蒸馏实验中将蒸使用操10.00mL碘层需从上口放作配得的溶液浓度小于1.0气冷凝为液体mol-L-1出NaCO3溶液16.常温下,下列各组离子在指定溶液中能大量共存的是(A.遇甲基橙变红色的溶液中:Fe2+、NO;、SO、Na高二化学学科试题第2页

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    全国I@0所名校高考模拟金典卷,抗疑血药物替罗非班合成中间本的结构如图所示。下列说法错误的是02强A该有机物的分子式为CHNOHO0叫魂HB该有机物的水解产物均可与N。C0溶液反应-(o0Hc1mol该有机物最多可与3 mol NaOH反应At2e光·③考查n该有机物中苯环上的一氯代物有3种」某种净水剂由原子序数依次增大的按X、¥2五种主族元素组成。该五种元位于三个短周期.且包含地壳中含量的三将头泰,五种元素原子的经外层电子数之和为20。下列说法正确的是XA1多507575B最简单氢化物的稳定性W心Y>光的经大.意)。R分别与W乙形成乳智到共价化合之、1b43b.号月驮H005A网D营见单质的熔点XZW>RL列学奖设等中新点击化学有生物正交化学微出页献的三位科学家。应点击化学的代表反应为叠氮一炔基成环反应,部分反应机理如图所示。下列说法正确的是D,0小小f1香北学R-CuN3RRRCu、C与都为该反应的催化剂源6拉汽…RB,中间产物中仅含有极性共价键CC4.离RCuC产物使漫浆酸性高显酸钾溶液褪色的原理相同雪本城龇催化剂D,该过程的总反应为RH+R2-NsG]化学-)第2页(共8页)【24·JD·化学-QG】

  • 衡水金卷先享题2023-2024高三一轮复习单元检测卷(重庆专版)/化学(1-7)答案

    程,电压表的示数科学兴趣小组为酒丝(不考虑电阻丝流表A100阻器R20登的示意图,该装置在工作时,左侧传3040506070司的苹果由传动带的左侧无初速餐中2反应温度/C门传感器R,R的电阻阻值随压力吸引分拣板与下通道连接,小于设定山工的价电子排布式为3业),该晶体的密度p衣的计算式)g·m,eTO,的结构的另种表示如图2(晶胞中末标盈6原子,画出沿☑具与传送带间的动摩擦因数一2李长L=2m,小苹果在通道上滑行的距0.92m,分拣板的转轴O位于上下水阻丝并排后,用轴向y面投影时氧原子在xy面的位置(径过传送带、托盘称、分拣板和上下通道径D=378电阻丝的电阻,到●Ti分拣板上通道示数I1,然后将第Ti进去,读出电流FeO Fe000R丝的电阻R大电表示),若考虑电图1图2电)18.(14分)元素周期表是学物质结构和性质的重要工具,下面是元素周期表的一部分,表中学在科技活动可所列字母A、DE、G、Q、M、R分别代表某一化学元素。请用所给元素回答下列问题。20金属弹簧(电阻826Fe:苹果与传送带间因摩擦产生的热量:直.C接,当托盘中没铁变阻器总电阻GMR3d64s2系数为k,若不Fe55.85图15252P323p5图2<正对,O是贴近A板上表面左边缘R(1)表中某元素原子的核外电子层数是最外层电子数的3倍,该元素的原子结构示意图为胡性的交变电压后,在两板之间产生了律如图乙所示.现在O点放一个粒子。R原子原子核外有5种能量尚的电学37(2)元素Fe在元素周期表中的位置是网国期图2,中,55.85表示原子1碰到金属板,就附着在金属板上不知粒子源发射的粒子初速度大小顶量来、的周期为T,图乙中是已知量,每甲(3)表中某些元素的原子可形成与Ar具有相同电子层结构的简单离子,这些离子的半径若p=80,在1=0时刻被射出的行称物体的质由大到小的顺序是S2ZC(填离子符号)白压表示数与✉1D两种元素形成的化会物含有的化学使类型是极性定填极性健”或”非极成正比,请不性键),其分子是及小速(填“极性分子”或“非极性分子”。数U,'与所(⑤)表中金属性最强的元素与铝元素相比较,可作为判断金属性强弱依据的是》(选填编号)。a,能否置换出铝盐溶液中铝b.AI(OH)3能否溶解在该元素最高价氧化物对应水化物中高中名校联c,单质与氢气化合的难易程度板A、B间的距离=d单质与同浓度的稀盐酸发生反应的剧烈程度周期内发射的粒子的点62024届·普通高中名校联考信息卷(月考三)·化学息卷(月考三·扬混届·青通高中名校联考信息卷(月考三)6EUCA

  • ‹‹ 109 ››
扫码二维码