□■■■口□□5.图是细胞膜，动物细胞膜上的脂质除磷脂是重要成分外，胆固醇也是构成动物细胞膜的重要成分，A正确；据图判断，3是线粒体，线粒体内膜上完成有氧呼吸第三阶段，产生大量能量，内膜向内折叠成嵴，这样就增大了内膜的面积，所以内膜的面积比外膜大，B正确：图中5是核糖体，其功能是“生产蛋白质的机器”，C正确；生物膜系统由具膜结构的细胞器和细胞膜(a)、核膜(2的膜)构成，D错误。6.氧和甘油进入细胞属于自由扩散，A、D错误；葡萄糖进入红细胞属于协助扩散，B错误：钾离子进入轮藻细胞属于主动运输，C正确。7.植物细胞在发生质壁分离复原的过程中，因不断吸水导致细胞液的浓度逐渐降低，与外界溶液浓度差减小，细胞的吸水能力逐渐降低，A错误：发生质壁分离的内因是细胞壁的伸缩性小于原生质层的伸缩性，而原生质层包括细胞膜、液泡膜以及二者之间的细胞质，故质壁分离过程中，细胞膜可局部或全部与细胞壁分开，B正确；给玉米施肥过多，土壤溶液浓度升高，高于根部细胞的细胞液浓度，根部细胞发生质壁分离，导致植物过度失水而死亡，引起“烧苗”现象，C正确：质壁分离过程中，液泡内细胞液的渗透压小于细胞质基质的渗透压，D正确。8.细胞膜的脂质过氧化会导致细胞死亡，细胞膜流动性降低，A错误；由图可知，运铁蛋白结合铁离子的环境pH接近中性或微碱性，运铁蛋白释放铁离子的环境pH为5.0时，B错误；运铁蛋白携带F3+进入细胞的方式为胞吞，需要消耗能量，C正确；铁死亡是一种铁依赖性的新型的细胞程序性死亡方式，受基因调控，D错误。9.正常细胞中ATP与ADP是通过相互转化来满足细胞对能量的需求，时刻不停地发生并处于动态衡之中的，A正确；绿色植物产生ATP的能量来源可以来自光能，也可以来自呼吸作用有机物氧化分解释放的能量，B错误；腺苷三磷酸中的腺苷是由腺嘌呤和核糖共同构成的，C正确；参与Ca+主动运输的载体蛋白是一种能催化ATP水解的酶，D正确。10.酶制剂的储存应选择低温和适宜pH条件下储存，A错误；在适宜条件下酶的催化作用即为酶能降低化学反应的活化能，但不能为化学反应提供活化能，B错误；H2O2受热易发生分解，不能作为探究温度对酶活性影响实验的底物，C错误；细胞中绝大多数酶的化学本质为蛋白质，而蛋白质的基本单位为氨基酸，D正确。11.色素能长时间保留在滤纸上是因为叶绿体中的色素为非挥发性色素，A错误；黄化叶片中还含有类胡萝卜素，实验结果中滤纸上仍然会出现类胡萝卜素相应的色素带，B错误；在绿叶中色素提取和分离使用二氧化硅的目的是有助于研磨充分，C错误；实验结果中，滤纸条上从上到下的色素依次为胡萝卜素、叶黄素、叶绿素a、叶绿素b,对应的颜色分别为橙黄色、黄色、蓝绿色、黄绿色，D正确。生物学参考答案·第2页（共6页）

reeycling.”直接得出答案。36.答26.答案：A业这些文字中可以体会到作者对全球生物多样性保护前景是持“poitive”(积极乐观)的态度.命命题立意：考查细节理解能力答架详解：从短文的第四自然段第一句1。如31.答案：D命题立意：考查推理判断能力。education campaign,"says Allison."Peopleon答案详解：阅读全箱读者不难发现文中重复最多的字but there are so many simple things they can do ever眼就是biodivera心cio作者所有的陈述，例day that can become second nature,.”得出答案】举，回顺，作结都是围绕这个主题展开的，故选D27.答案：BD命题立意：考查推理判断能力。【语篇理解】这是一篇科普小品，介绍与地球命运息息答案详解：根据短文最后一自然段最后一句w。1bink-that'smy slep,Aon(我，我们，眼睛相头的大气夹氧层新发现一央氧洞有望在最近三，四十年一臣，就算睡了一觉)，再结合本段前面的推述说越们左右修复！在致力于环保的同时又参加各种健身活动、甚至和父32.答案：A命题立意：考查推理判断能力。亲去深海潜水！说明姐林俩过着忙碌但有意义的生答案详解：综合分析短文第三自然段“Now a new study活。found that the upper ozone layer above the NortherCHemisphere should be completely repaired in the【语箱理解】这是一搭有关保护生物多样性的研究的2030s.The huge Antaretice hole should disappear新闲报道，它让人们了解联合同和科学家们为保护生物多in the 2060s.The Southern Hemisphere should be样性，构建健康生态环境所作出的努力。eovered by about the2050s.”中的数据，可知臭氧层28.答案：A的修复为期不远。命题立意：考查细节理解能力。答案详解：从短文第二自然段中的“discussion33.答案：C命题立意：考查细节理解能力。centred ona widely supported target toprotectof答案详解：答案出自短文倒数第二自然段“He said anthe world's land and sea areas by 2030up from theundamaged ozone layer would actually trap greenhouseprevious‘Aichi target'of17%.”部分得出答案：30%gases that cause global warming.”-句。-17%=13%。34.答案：B29.答案：A命题立意：考查推理判断能力命题立意：考查词义推测能力。答案详解：根据短文倒数第二自然段最后一句可反推答案详解：短文第三自然段“Among other targets出答案：“Antarctica has heated up,but not as much asunder debate was the provision of greater financialit likely would without the decrease of the ozone layer."support to low-income countries to preserve biodiversity."35.答案：C中，句尾的动词不定式“to preserve biodiversity”(以保命题立意：考查主旨大意归纳能力。持生物的多样性)表示前面作为的目的，再结合答案详解：选项C恰到好处地归纳了本篇短文的主旨“greater'”和“low-income”两个形容词可知是向低收入大意。第一、二自然段在陈述了大气臭氧层对地球和国家提供更多的金融方面的支持。划线单词人类的保护作用、为此各国签署了逐渐终止氟氯化碳“provision'”=supply(提供)。使用的蒙特利尔议定书，接下来的段落全是科学家们30.答案：B对新发现（大气臭氧层正在愈合）的探讨。这是从短文命题立意：考查推理判断能力。答案详解：从全篇看，作者强调了保护生物多样性的难内容整体把握的角度而言。我们也可以用排除法确定度，比如这件事从1992年在里约热内卢（巴西一座城最佳选项：选项A、B文中没有提及，可排除；选项D泛市)的“地球峰会”就谈起，但至今进展不大；刚结束的泛而谈、空乏无物，排除。故选C。昆明峰会上成立的基金会收获甚微。但读者从“a good第二节：beginning","ecosystems,an idea no longer theoretical"【语篇理解】这是一篇说明文，它告诉有志从事护士工以及“That'scomforting though it is just on the way.”作的人要具备哪些资质。第15套·英语参考答案第4页（共8页）

23.Where can we find this passageA.A travelling magazine.B.A tourism lecture.C.An advertising website.D.A Christmas brochure.It was late July,a time when bears swept down from the mountains to enjoy samon swimmingup the stream.I was in the middle of a rainy 22-mile run in Far North Bicentennial Park,Alaska.As I climbed a hill,arash sounded from myright and I instinetively moved to the left,expeetinga deer.But it was a bear with three cubs ()The cubs fed up a tree.The bear paused in frontof me,as if waiting.I backed into the bush,hiding myself behind a group of alders ()moving slowly,nevertaking my eyes off the bear.When it veered()as if to leve I felt such relief.Then it abruptlyturned and charged direetly at me.I did what they tell you to do if a bear charges-I stood myground and cried,“T'm a person!”A lifetime later,the bear paused and ran toward the bush.I had to get back to the trail(),yet I couldn't step away from the alders.It was my only protection.Shortly afterwards,the bearreturned and began cireling around me.I wondered if this was how I would die.Suddenly,I wantedto talk about my son.As I stepped from the shelter of the alders,I talked out loud,my voice surprisingly calm.Italked about the day my son was born and how I recognized his face immediately.I said these thingsto the bear to show that I meant no harm,but mostly I said to put my mind at rest.When I reached the trail,I kept talking.The bear followed,but I didn't look back.Half a milelater,I glanced over my shoulder and the bear was gone.I started running and didn't stop until Iencountered two hikers,and I fell down at their feet.19For weeks I saw that bear's face in my dreams,and I woke up,heart pounding(心脏狂跳).The experience opened something inside of me.So much of life is the chance.There are noguarantees.But there are vast landscapes and dangers and wild moments of good luck.24.How was the author's reaction when the bear rushed to her unexpectedly?A.She ran away aimlessly and called for help.B.She backed into the brush and hid herself immediately.C.She remained still and cried that she was a person.D.She walked to the trail and talked to the bear all the way.25.Why did the author talked about her son?AA.To ease herself not to be that afraid.B.To prove that she wasn't an animal but really a person.C.To calm the bear down and make it distracted.D.To contact with the bear through conversations.26.According to the passage,which statement is true?A.The bear showed up in front of the author when catching the salmon.B.The author chose to hide herself behind alders when first facing the bear.CThe author's crying that she was a person worked so the bear left away.D.The author talked to the bear about her son calmly under the shelter of alders.

Prize:Over $2 million in awards are given;first-place prize is $250,000Think ChallengesWhat:Organized by a group of undergraduates from MIT,this competition is for high schoolstudents who are in the early stages of an original research project.When:2021 registration is now closed;check back soon for 2022 details!Prize:Selected finalists are invited to 4-day all-expenses-paid trip to MIT's campus to meetprofessors and tour labs！Finalists also have weekly mentorship(导师制)meetings and are given$1.000 to fund their research project.21.If you have interest in designing app,you'd better apply forA.Emperor Science AwardB.Congressional App ChallengeC.Regeneron Science Talent SearchD.Think Challenges22.What makes RSTS special?A.It is hosted by Members of Congress.B.It aims to develop cancer researchers.C.It is organized by a group of MIT undergraduatesD.It is the most ancient and highly recognized.23.Which of the following can be learned from the text?A.All competitors in CAC will have works shown in Capitol Building.B.Winners in ESA will work on cancer with other studentsC.2022 registration for Think Challenge will be opened soon.D.The first place winner in RSTS will win the least money.BCamelli's duty was simple:to give back to the community where she was raised.Warren,Ohiolies just thirteen miles north of Youngstown,the former center of steel production,and now one of theneediest cities in the country.Both cities'populations and its finance have been on the decline eachyear,with unemployment rates surpassing both the state and national average.But it wasn't always this way.Thirty years ago,when Camelli was a student at Howland HighSchool,the school where she now teaches Advanced Placement Psychology,"The poorness level wasaround 6%,"she says.Today it is closer to 40%.This financial condition influences everything from the way students learn,to their ability to dealwith social and emotional issues.Knowing this,Camelli created Paw Pantry.Whether it's for food,clothes,school supplies or personal hygiene()products students and their parents can go onthe district's website and fill out a request form for Paw Pantry products.They can choose to picktheir items up-or have them delivered-at school.Camelli mentioned Paw Pantry when she attended her high school activity in 2017.It made herformer classmates aware of how their hometown has changed over the years."Soon,money startedpouring in from all over the country,all over the world,she says.In just a year and a half since the Paw Pantry began,Camelli has received plenty of non-perishable(不易变质的)food,clothing,lunch boxes,backpacks,.school supplies-一even home goods,.英语试题第4页（共10页）

不理笨蛋郭光普照DAspirin was discovered in 1897,and an explanation of how it works followed in 1995.That,in turn,has encouraged some rescarch leads on making better pain relievers throughsomething other than trial and error.This kind of discovery-answers first,explanationslater-is called"intellectual debt".We gain understanding of what works without knowingwhy it works.We can put that understanding to use immediately,and then tell ourselveswell figure out the details later.Sometimes we pay off the debt quickly:sometimes,as withaspirin,it takes a century;and sometimes we never pay it off at all.In the Age of Intelligence,while machine learning presents lots of problems and getsthings wrong,at least we know enough to be wary of the predictions produced by the systemand to argue that they shouldn't be blindly followed:but if a system performs perfectly (andwe don't know why),then we come to rely on it and forget about it and suffer consequenceswhen it goes wrong.It's the difference between knowing your car has faulty brakes and not knowing:bothare bad,but if you know there is a problem with your brakes,you can increase yourfollowing distance,drive slowly and get to a mechanic as soon as possible.If you don'tknow,you're likely to find out the hard way,at 80mph on the highway when the car in frontof you came to a sudden stop and your brakes give out.We don't have much by way of solutions.Most important,we shouldn't trick ourselvesinto thinking that machine learning alone is all that matters.Indeed,without life value,machine learning may not be meaningful answers at all32.What is the purpose of mentioning aspirin in the first paragraph?A.To present the research process of aspirin.B.To prove we can use something even when we don't understandC.To show the difficulty in explaining how aspirin works.D.To introduce a similar situation machine learning faces.33.What does the underlined word "wary"probably mean in the second paragraph?A Negative.B.Watchful.C.Anxious.D.Doubtful.34.How does the writer prove that it's potentially worse if a system performs perfectly?A.By giving a definition.B.By doing an experiment.C.By making comparisonD.By telling a story.35.Which of the following statements is the writer likely to agree with?A.It makes sense to prepare for danger in times of safety.B.It's wise not to rely on machine learning.C.It's impossible to pay off intellectual debt.D.It's OK as long as a system works well.2022届·普通高中名校联考信息卷（模拟二）·英语7

during Christmas,Mary?It is commonly assumed thatW:I celebrate it with my parents.Webecause of the complex cogusually decorate a Christmas tree,haveDogs are one of the humans分traditional Christas dinner and singour homes and seem to retun to a monologue and then retell itChristmas songs.Besides,we often takeholiday photos every year.more than 80%of dog owneM:Um...Take holiday photos in a studio?dogs when they give attenti喜欢汉堡。W:No,I take them by myself.But myobservations and finds that喜欢)cousin(堂/表兄弟姐妹)photo-taking skilis are not very good.delicious(美味的)Do you take photos for these childrenmerely imagine that their ovduring Christmas?者)一a highly realistic artiM:Yes,as an amateur photographer,I helpIn the study,Amalia Baschildren take photos during Christmas.with 18 dogs and their ownIt is really interesting for me.1.Now please ask the speaker three questions.wool-covered cylinderQ1:What's your most memorable Christmaswith,each dog watched as tgift?(W)barrier was then placed betAl:Well,among all the gifs I have received,the bicycle fron my grandpa is thelonger see what was happemost memorable one.I remember that Ipositioned next to its owner.was five years old at that time.I askedthe potential rival.Althoughmy parents to buy a bicycle for me,butstrongly on its lead when itthey thought I was too young to ride abike.So when my grandpa showed medog.When the exercise wasthe bike,I jumped up and down inthe dogs pulled on their leadexcitement.I learned how to ride a bikeThrough their study,Amaers and finalists will be announcedwith the help of my grandpa.(M)showed three human-like feQ2:Did you take part in the AmateurPhotographer Contest held last Christmas?happened only when their o(W)occurred as a consequence of5,000 for the best overall image inA2:Yeah.The contest was open to anyonemere presence;and appearehy Competition and be featured ininterested in photography.All thedemy of Sciences.The first placephotos were judged by five professional$1,000 in cash and also have theirphotographers.40 of them were selectedto be displayed during Christmas at thexhibit.Up to 6 additional finalistsWe spend hours consumingVisitors Center.Luckily,one of myon for each category.photos was selected and I got the thirdthat time well spent?.Rarelyre Photo Competition?prize.(M)what we consume:Is this imQ3:What kind of pholos do you like to take?Is the person writing this welCAS.(W)News producers want yousas well.A3:I prefer to take photos of common people.Recording the momns involving diferentof "follow this or you'll beof global warmingwants to submit 16 images?people is usually quite hard.Therefore,consume,the more misinforreach time Itakeaood photo of peoplespread and cheaper to prodI have a sense of satisfaction andachievement.(M)write 12 blog posts a day fo2.Now please get ready to answer fivewrite something thoughtfulecure websitequestions.filling your head with surfacee competition come to?Q1:Who does Tomlly celebrate ChristmasBesides,is news really fre11,000.with?(M)18,000A1:Hely mhidnif advertisers are in charge,t

(Text 8)W:I am so excited about my trip to China.M:I'm excited for you too.Amanda is busy.So I am bringing you your tickets.W:Thank you!M:Are the travel dates OK?W:I fly to China on August 27th.That leaves me ten days to get ready.I come back on September 5th.Thesedates are great！M:Did you ask your boss about those dates?W:Yes.He is giving me those days off.I'm so glad!I really need a vacation!M:Are you planning your trip?W:Yes.I have some travel books about China.M:Can you look at your tickets again?W:Sure.Is there a problem?M:No.Amanda has a surprise for you.W:I love surprises!Wow!I'm traveling first class to China!This is so exciting!(Text 9)M:Good afternoon.I believe that this house is for sale.W:That's right.M:May I have a look at it,please?W:Yes,of course,come in.M:How long have you lived here?W:20 years.M:Then why do you want to sell it?W:Because I have just retired,and I want to buy a small one in the country.M:How much does this house cost?W:$16,850.M:That's a lot of money.W:It's worth every penny of it.M:Well,I like this house,but I can't decide yet,my wife must see it first.W:Well,women always have the last word.(Text 10)W:If you are looking for a new job,here are some job interview tips you should keep in mind when meetingan employer.First,be sure to dress appropriately for the situation.If you are interviewing for a teaching job,you could consider wearing nice pants and a dress shirt.And don't overdress for the interview.Next,be sure todo some research on the company which you are applying to.This will help you know if you have the requiredskills or experience to work for that company.Finding out something about the company will also help you askintelligent questions about their business and show them that you are interested in their company.Finally,beprepared to tell them why you would be the best choice for the position.You don't have to boast about your ac-complishments,but you can tell them in a confident and direct way why you can help their company better thanother applicants.·8·【22新教材.YK·英语·参考答案一BSD一必修第三册一QG】

looking for,rather than celebrating their success,they may feel empty,now that the goal thatdrove them on has gone.If you think about collecting postage stamps,another potential reason is its educational value.Stamp collecting opens a window to other countries,and to the plants,animals,or famous peopleshown on their stamps.In the past,and nowadays,too,a popular form of collecting,wastrainspotting.This might involve trying to see every locomotive (of a particular type,using published data that identify each one,and ticking off each engine as it is seen.As aby-product,many train spotters become very knowledgeable about railway operations,or thetechnical specifications of different engine types.Not all collectors are interested in learning from their hobbies.Some people collect becauseof the need for a sense of control.Stamp collectors,for instance,arrange their stamps in albumsvery neatly according to their preferred principlesAll hobbies give pleasure,but the common factor in collecting is usually passion.Collectingcan be totally appealing,and can give a strong sense of personal achievement.To non-collectors itmay appear a strange way of spending time,but potentially,collecting has a lot going for it.40.What is the instrumental reason for collecting?41.What is the danger of hunting for something special as a life purpose?42.Please decide which part is false in the following statement,then underline it and explain why.Collectors gain material and psychological benefits from collecting,but non-collectors may notsee its value,so they are not advised to have a try.43.If you are a collector,what do you collect?And why?(In about 40 words)第二节(20分)假设你是红星中学高三学生李华。你的英国好友Jim在你们学校网站上看到了你参加“校园劳动日”活动的照片，很感兴趣，发来邮件询问。请你给他回复邮件，内容包括：1.“校园劳动日”活动的相关信息（时间、内容…）2.你参加活动的感受。注意：1.词数100左右；2.开头和结尾已给出，不计入总词数。提示词：校园劳动日Campus Cleanup DayDear Jim,

第四部分写作（共两节，满分35分）第一节短文改错（共10小题；每小题1分，满分10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（Λ），并在其下面写出该加的词。删除：把多余的词用斜线()划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。When I was in primary school,I always look forward to the coming of Children's Day,what attracted kids'enthusiasm.I enjoyed have fun with my classmates.Usually the teacherprepared some funny games for us,such as playing the ping-pong and guessing riddles.If we学won the game once,the teacher would give them some candies as the prizes.Whomever re-ceived the most candies would be the winner.Extreme interested in guessing riddles,I fo-蠕cused my attention the riddles and figured out the most answer.When the teacher announced牙I was the winner,I was so pride of myself.第二节书面表达（满分25分）在学生活中，同学之间的相处是十分重要的。请你以“How I Get Along With MyClassmates”为题，向英语校刊投稿，内容包括：1.阐述与同学相处的重要性；哦2.谈谈你与同学的相处方式。注意：霄1.词数100左右；2.短文题目已为你写好。【高三英语第10页（共10页）】·22-12-282C·

动整体的发展，②正确。我国新能源汽车仍够能动地认识世界。意识活动具有目的性、然存在很多短板和不足，如果不解决，必然自觉选择性和能动创造性。科研人员通过会制约新能源汽车的发展，这表明事物发展对梅兰芳的原型及梅派传人的唱腔进行选的方向是前进的、上升的，然而道路是曲折择整合，制作出“梅兰芳孪生数字人”，从而的、迂回的，③正确。量变与质变都是事物实现展示和传播优秀传统文化的目的，坚定发展所必不可少的两种状态，不能说哪一个文化自信。(3分)③人们能够能动地改造世更重要，①错误。规律是普遍的、客观的，我界。制作“梅兰芳孪生数字人”，还可以充分们想问题、办事情都必须尊重规律，“突破规发挥梅兰芳艺术成就的当代价值，推动文化律制约”的说法错误，④排除。繁荣。(3分)④因此，认为“制作‘梅兰芳孪21.C中欧在经贸上是长期合作伙伴，脱钩、断生数字人’的唯一目的就是复现大师风采”链会对双方及至世界经济造成冲击，这说明是片面的。(1分)矛盾双方的斗争性寓于同一性之中，把握矛24.①坚持党的领导，充分发挥基层党组织战斗盾双方的对立统一才能推动事物的发展，②堡垒作用和党员的先锋模范作用，确保基层③正确。矛盾的同一性是相对的，矛盾的斗治理行稳致远；②健全基层法律服务体系，争性是绝对的，①不选。矛盾的两种基本属推动建立基层社会矛盾纠纷多元预防化解性不能相互转化，④错误。机制；③坚持以人民为中心，实行严格的责22.B近年来，我国人才建设取得较大成就，但任制，做到权责明确，监督有效，提高解决问是仍然存在一些问题，这说明了①。“要把题的针对性和实效性；④推进基层社会治理人才资源开发放在最优先位置”，这说明了体系建设，整合各方力量，形成治理合力，提③。材料不涉及主次矛盾的相互转化，而且高治理效能。（每点4分，答出其中任意3点主要矛盾在事物发展过程中处于支配地位，即可)对事物发展起决定作用，②排除。承认事物25.(1)①民营经济是创业就业的主要领域。民具有两面性有利于正确认识事物、解决矛营经济体数量大幅增加，为经济发展增添活盾，但“承认事物具有两面性”不是“解决矛力，为我国解决就业问题贡献力量，在保持盾”的充分条件，④错误。经济稳定、促进社会和谐方面发挥重要作23.①物质决定意识，意识是对物质世界的反用。（3分)②民营经济是技术创新的重要主映。人们利用数字技术，以梅兰芳的外貌、体。民营经济积极推动科技创新，促进产业形体、语音、表演等素材为原型，制作出“梅链与创新链深度融合，带动我国供给侧改革兰芳孪生数字人”，确实可以复现大师风采。和产业升级，增强国内大循环内生动力和可因此该观点有合理的一面。(3分)②人们能靠性，为建设现代化经济体系贡献力量。

第10期B1版Keys第完形填空1-5 CDCBB6-10 ADCDC11-15 ABABD七选五1-5 BDGCF语法填空(One possible version)1.powerful2.participation3.necessarily4.an5.was6.situations7.on8.to build9.attracted10.whose读后续写(One possible version)Paragraph 1:Then,David put his arms around the man's legs,asking if he could be his friend.Seeing this scene,Sofia was shocked,thinking the man would refuse by pushing Davidaway.Unexpectedly,the blacksmith knelt down so that he was at David's level,andgently turned David's head so that he could look him in the eye.Then,he held out hishand for David to shake.He smiled and said he'd be honored to be a friend of such aegood boy.Then,he looked at me.ParParagraph 2:Will it be okay for your son to help me with my work?"the blacksmith asked.Sofia nodded with tears in her eyes.Then,the blacksmith allowed David to "help"himSheas he forged something.During the whole process,the man remained patient,trying toanswer David's questions and keep him safe.An hour later,David proudly walked“H&away,with the piece of metal that he had helped the blacksmith forge held tightly inpreshis fist.And he held his head up high as he was accepted as a new friend of the black-smith.Sofia thanked the blacksmith gratefully for spending an hour with a boy withafforSspecial needs.conig(特别提示：参考答案见下期B版中缝)dow

afternoon,we would go swimming in the ocean,lie in the的书。sun,or go water-skiing.After dinner in the evening,29.A细节理解题。根据第二段第四句可知，在坦桑we usually went dancing or enjoyed ourselves in the尼亚，T恤衫价格经常会上涨和下跌。nightclubs.The two weeks went by too quickly.We were30.B代词指代题。根据画线词所在句可知，此处的both very sorry when we had to leave.them指代前面的free markets(自由市场)。第二节到此结束。31.C标题归纳题。通读全文可知，本文介绍了一位第二部分阅读教授通过研究一件T恤衫的整个生产和流通过第一节程，最终得出结论一自由市场需要行政力量来约束。故C项(T恤衫可以教给我们什么)作为本语篇导读本文是一篇应用文，主要介绍了世界上几文标题最佳。D座著名的城市e21.D细节理解题。根据Paris部分第一句可知，巴语篇导读】本文是一篇记叙文。文章讲述了一个名叫哈里·卡伦伯格(Harry Kalenberg)的人有一项特黎是全球参观人数最多的城市。22.C细节理解题。根据Rome部分第二句和殊的爱好用爆米花制作各种小工艺品。」Barcelona部分最后一句可知，在罗马和巴塞罗那32.C细节理解题。根据第三段第二、第三句可知，你都可以参观城堡。他的特殊爱好给他带来了名和利。23.D文章出处题。本文介绍了适合旅游观光的几33.A细节理解题。根据第四段第二句和最后一句座欧洲城市，所以应该是出自旅游版块。可知，Orville Redenbacher's这个品牌的玉米是最B理想的制作材料。34.A推理判断题。根据最后一段最后一句可知，有语篇导读本文是一篇记叙文。文章讲述了一个不时外出看电影时，哈里会拿出小手电筒观察爆米到两岁的小女孩独自推着婴儿车过马路时，作者及花。由此可推知，不只在家中，只要哈里手边有爆时伸手相助，却遭到小女孩父亲误解的故事…米花，他随时可以开始创作。24.D细节理解题。根据第一段最后两句可知，作者35.D观点态度题。根据最后一段最后两句可知，用看到小女孩时，路上没有多少车辆。爆米花制作工艺品是哈里放松自己的一种方式，25.B细节理解题。根据第二段第二句可知，小女孩它几乎已经成为哈里的一种惯了，只要手边有躲避作者是因为她根本不认识作者。爆米花，他随时可以开始创作。由此可推知，他对26.D推理判断题。根据第二段第七句和第三段第这件事充满了热情。二句可知，虽然作者保护了小女孩，但没有得到她第二节父亲的感谢。由此可推知，小女孩的父亲误解了语篇导读】本文是一篇说明文。文章介绍了有助于作者在马路上追逐小女孩的行为，作者感到委屈，通过重要考试的二些建议双手发抖。36.C根据空前一句可知，无论是一年级科学考试还27.A推理判断题。根据第三段第四句可知，作者认是高考，所有考试都有一个共同点—你必须通为尽管自己没有真正“救下”这个小女孩，但她仍过。C项（从长远来看，考试不合格对你没有好然很庆幸自己当时在场。由此可推知，作者认为处，所以知道如何准备通过那场大考验是很重要她当时的帮助很有必要。的)承接上文，符合语境，且C项中的know how toCprepare to pass that big test与空前一句中的have to语篇导读本文是一篇说明文。二位教授研究了pass相呼应。件T恤衫的整个生产和流通过程，并得出结论：自由37.B根据空前一句可知，空处应该介绍充足睡眠的市场也需要行政力量来约束好处。B项（研究表明充足的睡眠使你的大脑更28.D细节理解题。根据第一段最后一句和第二段有效率)符合语境。第一句可知，里佛利教授写了一本关于世界贸易38.E空前一句提到早餐要吃好，空后一句提到一些严选卷·高中英语·必修第二册·RJ答案与解析D04

第二节（共10小题：每小题1.5分，满分15分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。As iskooall,positive parnis5(ef)the physica andmental57 (row)of children,but keeping a healthy parent-child bond5(ne)theefforts of both parties.Parents should take the responsibility59(improve)the relationship with their children.What matters is spending quit tim with their children,6 tight their schedule is.Forinstance,they can cat61 (meal)together,go to sporting events together or watch theirchildren's favorite TVshows together,6 greatly to making their chilren feelsafe and63(love).Children,on the other hand,should let their parents know they appreciatewhat their parents64(do)for them.If possible,they can give their parents a gift ona specialday or help with housework 65 a regular basis.No healthy parent-child relationship is without conflict.But as long as parents and childrenmake a joint effort,they can settle the conflict and enjoy their time together.第四部分写作（共两节，满分40分)第一节（满分15分）假定你是李华，在交换生好友Alan的鼓励和帮助下，你在上周五的英语演讲比赛中取得了好成绩。请你就此写一封邮件给他，内容包括：1.告知成绩：2.表示感谢；3.邀请一同庆祝。注意：1.词数80左右：2.可以适当增加细节，以使行文连贯。第二节（满分25分）阅读下面材料，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。Last ek Iwatched nohen they walked toui(store.Iha英语试题第11页（共12页)

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Michael opened the door,42 Annie with a welcoming smile.But when she follomheelShe didn recogmie a ine kid.And they e all oldeds she第四部分写作《失两节，满分40分第一节（满分15分）in soft golden colours.The thought made her ashamed.lookedhe oubtftully She here eing nhing TheMichael told others she was 45 But after that introduction.Annie felt even worsesal the kids蔬近，你班进行了一个参与家务劳动的调在，款根调吉结果在你的博客上用美语写简博文。每周做家务1小时以上5%kids all started to eat,chatting and joking as they 46their mouths.每周做家务小于1小时"Pass me some of those strange 47as to her.All at one wihout from完全不参与家务劳动65%一hor心edout theor ban Theyk309%6they taste 49 different.Some people call them plantains or the potato of the tropics.Now all the kids were50Annie again.but this time their faces were interested and51要点包括：1.调查结果；2.你的感受注Someone asked her more about plantaims.and she eveything them意：1.词数80左右；2.可适当增加细节，以使行文连贯。lot.They started asking her questions.They wanted tokno about her family and her petsee53Annie for her dress.You are the 54 of the night!"Michael said when the evening was over.Annie sighed,relaxedand happy.She wasn't sure about being a star,but Daddy was right.Shed55 t be hersef eral.41.A.yard42.A.praisingB.doorC.stairsB.presentingD.streetC.satisfying第二节（满分25分）43.A.embarrassedB.sadD.greeting44.A.hairstyleC.ashamedD.thrilledB.socks45.A.shyC.dress阅读下面材料，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。D.coatBoys like to be considered to be popular with others.Martin was such a young and generous boy.wh46.A.coveredB.outgoingC.dedicatedB.stuffedD.knowledgeablethought he had loads of good friends in schoo He wasalways shwng off tohis familyemtht he47.A.potatoesC.openedD.shutB.tomatoeshad the maximum number of friends in school.Also,he claimed how friendly hesithHis48.A.ideaC.applesB.voiceD.bananasfamily members wanted him to recognize the reality,thus not being cheated n the future.49.A.slightlyC.warningB.totallyD.waitingOne day as he was talking triumphantly about his friends at home again,his father called him for a50.A.looking down uponC.generallyD.seeminglybet.Father said,"Martin,I bet you for the cycle you wanted."Martin,"What's the bet?"Father thought51.A.friendlyB.attending toC.looking atD.caring aboutfor a while and answered,"I bet you do not have as many friends as you think.Everyone is not your realB.weary52.A.repeatedC.swollenD.dirtyfriend.I'm sure many of them are nothing more than your classmates,in other words,they are just yourB.memorizedC.forgotfair-weather friends."Martin,without a second thought,accepted the challenge.53.A.praisedD.recitedB.criticizedC.condemnedD.thankedHowever,he had no idea how to test whether his classmates were real friends or not,so he asked his54.A.soulB.starC.middleD.endfather about the testing way.A bright smile spread across the face of his father,"Wait a minute.I have55.A.managedB.pretendedC.plannedD.attemptedjust exactly what you need.It is a special item in my collection.Let me go and bring it."Martin waited第二节（共10小题：每小题1.5分，满分15分）curiously.Several minutes later,Martin's father returned,walking towards him,looking like he was阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。carrying something heavy.But Martin could not see anything.Taijiquan is an especially helpful exercise to both the od and young.UNESCO describes it as"aHis father explained."You se this is a magic chair.It is nisbe,and it is rather difficult tositontraditional physical practice".It 56(characterize)by relaxing.circular movements that work in harmonyit You take this to your shol.If you manage tosit the special chair ctivate t magic.Thenwith breath regulation and the cultivation of a 57(moral)acceptable and neutral mind.you will be able to tell who are your real friends."One's understanding of Taijiquan can evolve58 the practice continues.As an adolescent,itThe next day,brave and determined,Martin took the magie invisible chair to school.might be more of a martial art that strengthens your body and improves fighting skills.As one's experiencegrows,it becomes easier59(appreciate)its cultural implications.注意：1.续写词数应为150左右；2.请按如下格式在答题卡的相应位置作答。Taij people saydring lfeupand ow and toembrace theopen mind.Taijiquan also(feature)the interaction effect between movement andilleParagraph During ume,egheredhis friendd themforenopninnd coinandigdiynd genene picture ofharmonious coexistence and unity in diversity"Taijiquan requires its practitioners to be upright and peaceful and act from 6 perspective ofothers,which reflects Confucianism's emphasis 63 self-cultivation and humanity.TbeleerctTaiqanniOpepimomaodonwaemAaaphaeweconcepts under different culture background.Nowadays,widesParagraph2:Now he coud find ohrhisr friends.these two kinds of culture are in the process of 65 (blend).whichetraditional culture and the complementation of world Olympic Spirit as well.高三英语二模第7页（共8页）高三英语二模第8页（共8页）

adventure out of the storm可知，hair-raising(惊险的)概括准确。46.D。根据下文中的the race可知，当地有帆船比赛。47.B。根据上文介绍1901年的夏天作者来到新斯科舍省才得以有机会了解大海，并结合along with many others可知，作者初来乍到，因此很可能是观看比赛。48.B。根据下文中的When the race was over.one of the party noticed.…cloud approaching和The wind rose可知，比赛完后才起了风，变了天，因此比赛时海面静。49.A。根据下文中的The wind rose和storm可知，队里有一人注意到一团乌云正在逼近。cloud和wind、storm构成词汇同现。50.C。根据which grew and spread可知，乌云不断扩大，变得越来越厚。thickened和grewspread语义一致。51.D。根据cloud和spread可知，此处指鸟云满天。52.C。根据上文对云和风的描述可知，此处接着描述风暴来临时的自然景象（海浪愤怒地拍打着水下暗礁)符合语境。53.A。下文中的with sails spread and ropes tightened是我们的小船面对强风采取的行动，braved符合语境。54.D。根据上文中的the strong wind可知，我们的小船无惧强风；船帆张开，绳索收紧，她似乎就坐在风中。55.B。根据she swirled in huge waves并结合常识可知，船在巨大的浪涛中回旋，因此可能会随着浪涛跃起。注：sprang在此作动词，原形是spring,意为“跳，跃”。56.C。根据opposing winds that drove us from side to side可知，逆风把我们从一边吹到另一边，因此我们在与逆风搏斗。57.C。58.A。根据Our captain was master of the situation和the master of the only little sailboatthat made an adventure out of the storm可知，我们的船长用他有力的手和老练的航海眼光，经受过许多风暴。注：weather在此作动词，意为“经受住；安地度过”。59.B。根据the only little sailboat that made an adventure out of the storm可知，海员们为船长欢呼。60.D。根据上文对惊险航海经历的描述以及本句中的cold和hungry可知，worn out(疲惫的)符合语境。第二节主题语境：人与社会一一文化本文是说明文。文章主要介绍了中西方饮食文化的异同。61.dumplings。.考查名词复数。dumpling是可数名词，且其前没有限定词修饰，故填其复数形式。62.tasty。考查形容词。设空处修饰名词foods,在此意为“美味的”，故填tasty。63.exception。考查名词。根据设空处前的no可知，此处应填名词，构成常用表达noexception.64.to。考查介词。此处构成give birth to sth结构，意为“孕育，使诞生”。句意：中国悠久的历史、广阔的领土和丰富的文化造就了独具特色的中国烹任艺术。5.setting。考查动词-ing形式。分析句子结构可知，Chinese culinary culture finds its excellencein taste and fragrance是完整的句子，因此设空处作非谓语；再根据前后的逻辑关系可知，应填setting,相当于which sets。66.a。考查冠词。critic(评论家)是可数名词，且此处泛指一位美食家，故填a。67.who/that。考查关系代词。此处缺少引导定语从句的连接词，the peoples of the world为先行词，表示人，设空处在定语从句中作主语，故填关系代词who或that。注意此处不

综合填空过关1.day 2.well 3.eat 4.school 5.eyes 6.down7.for 8.soup 9.kitchen 10.my第4版阅读提升1-4 BABA第5—6版期中综合能力评估试题！听力材料及参考答案听力材料A)在下列每小题内，你将听到一个或两个句子并看到供选择的A、B、C三幅图画。找出与你所听句子内容相匹配的图画。1.There are some carrots in the kitchen.2.Carol likes to read after dinner.3.Mrs Liu wants to have noodles for lunch today.4.My uncle is a policeman.He is very busy every day.B)下面你将听到十组对话，每组对话都有一个问题。根据对话内容，从每组所给的A、B、C三个选项中找出能回答所提问题的最佳选项。5.W:Kevin,is everyone here?M:No,Miss Lee.John is in the lab6.M:Let's go shopping!I want to buy some milk.W:OK,Dad.Can I get some candies?7.W:What time is PE this afternoon?M:At half past two.And then we have IT at three thirty8.M:Where do you have lunch on weekdays,Susan?W:At school from Monday to Thursday.On Friday,I have lunch at home.9.W:I live near our school.What about you?M:My home is next to Summer Park.10.M:How about some juice after dinner?W:Good idea.We have got two apples and four oranges in the kitchen.11.W:Jeff,what are your two daughters'jobs?M:Well,Betty is a nurse and Ann is a shop manager.12.M:Lisa,is there a science lab in your school?W:Yes.It's small.But our computer room is big.13.W:Daniel,the storybook is interesting.Do you want to read it now?M:No,thanks.I want to watch TV.W:Have a good time.14.M:So,it's time for a break.Let's go for a drink.W:OK.What time does Mr King's lesson start?M:Umm...it's 9:10 am now.His lesson starts in forty minutesC)听下面长对话或独白。每段长对话或独白后都有几个问题，从题中所给的A、B、C三个选项中选出最佳选项：听下面一段材料，回答第15至第17题。M:Alice,what day is it today?

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九洲江全长168千米，流经广西境内陆川，停白两县10镇，汇入广东清红狄用水源地一一期地水库。丝.[地理一选修6：环境保护阅读材料，完成下列要求。(10分年，无满江上得发展起200多家系组金业，务经直排，九州江一度行水横流。2011年事桂两地用治显九河红本清税社河洗徒直统康生分，又埃保百挂生并的系形实行河长制”治水管水，3年整治成效初显，水清了、岸绿了，百姓钱象子更鼓了。推断九洲江“河长”围绕养殖户治理养殖污染采取的措施。45.[历史一一选修1：历史上重大改革回眸](15分)材料适过普造招累方式组建军队的微法开始于唐安宗时期。北宋统治者将募兵发展为一种有意识的“养兵”致策，募兵招募对象多为突荒机民，认为“不收为兵，则怒为盗”。士兵入伍后，以从军为其职业，脱离了原有的社会生产活动，宋政府给予优厚的薪饷…框密使与“三帅”各有所司，枢密使有调兵权而无领兵权，三帅有领兵权而无调兵权。北宋规定，军队分为禁军，厢军、乡军、蒂军等。在军士中选壮健者充禁军，其短弱者克厢军。宋初以来，禁军和厢军均不断扩充，禁军扩充的速度更快，禁军是宋朝军队的主力，在总兵额中的比例也不断上升，一教占总兵额1/2以上。募兵过溢致使军队数量不断增加，累增至120余万，军贵随之恶性膨张。一摘编自程民生《北宋募兵制的特征及其矛盾》(1)根据材料并结合所学知识，概括北宋募兵制改革的主要特点。(8分)(2)根据材料并结合所学知识，评价北宋的募兵制改革。(7分)

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下图示意某区域四个不同时期三次产业的就业构成情况。据 此完成9~10题 9.图示四个阶段中，经济发展水最高 就业比重% 100 的是 第三产业 A.① 00000 ☐第二产业 2第一产业 ① 2 3

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休对故人思故国，且将新火试新茶，诗酒趁年华。少年当立凌云志，躬行不辍

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解析：厄兰岛南北部自然景观的差异主要取决于自然因素，北 部以森林为主，南部以草原为主，依据厄兰岛的形状及纬度位置， 可知该岛北部接近60°N,受副极地低气压带影响较大，降水较多， 而南部相对受副极地低

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工商户的支持力度。(2)运用经济与社会的知识，说明我国实现全体人民共同富裕的原因。(3)结合材料二，运用经济与社会的知识，说明我国怎样才能实现全体人民共同富裕。【答案】(1)①非公有制经济是社会主义市

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【解题分析】根据材料可知，立春时节开始农事活动，说明热量 充足，四川盆地最适合。 【答案D

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下图为某村落“倒金字塔”式古木屋断面模型图，该村落分布 在我国南岭一带，是一个具有400多年历史、极具代表性的少数民 族村落，也是“倒金字塔”式的传统民居仅存地。据此完成6一7题。 6.该村落房屋采用

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CI CI(4)分子晶体FeFeCI(5)31228×1010或34x39+56×2+12+14)×6×100PNAPN【解析】(2)[F(CN)6]3中含有6个配位键，6个C=N微粒，则含有o键的数

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olK+、右②根据反应机理图分析可知，中间体有O、OH、CH,O,CH,、H,CH,O分解时所发生反应的化为：C学方程式为：2CHO=2CO+xH2离子筏(3)①根据题意，甲烷干重整反应过程中常常发

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管口的距离为1©m,将玻璃管在竖直面内沿顺时针缓慢转动至玻璃管竖直，这时水银柱上表面到管口的距离为2cm,大气压强为76cmHg,环境温度为300K,求：(ⅰ)管中水银柱的长度为多少；（ⅱ)保持玻璃管

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(2)“酸浸”过程中加入N2H4的主要作用是①NO被氧化时发生反应的离子方程式为(3)检验“氧化”之后溶液是否含F2+的操作是；此过程温度②溶液pH对NO去除率产生如图影响的原因是不能过高的原因是(4

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I号卷·A10联盟2023届高三4月期中考理科综合能力测试试题巢湖一中合肥八中淮南二中六安一中南陵中学好城中攀太湖中学天长中学屯溪一中宣城中学州中学池州一中阜阳一中灵壁中学宿城一中合肥六中大和中学合肥

销专生务必特密对线4锌片发生氧化反应LED灯选择颗B,铜片质量不变客题区C当负极质量减少6.5g时，有0.2mol电子通过外电路的项目填写清楚7.D.可以将可乐换成酒精非电解某科研小组研制出一种镁锑液态金属储能电池。该电池的工作温度为0心，其放电时的工作原理如图所示，该电池所用液体窑度不同，在重力作用下分为三层，下列说法不正确的是A该电池放电时，Mg(液)层为负极Mg(液)B.该电池放电时，正极反应为Mg十2e一Mg熔融NaCl、KCl.MgCl,C.该电池放电时，熔融盐中的C1进入Mg一Sb(液)层Mg.Sb(液)电子流向D.该电池放电时，Mg(液)层质量变小燃料电池有易调节电量的优点，广泛应用于航天、军事和交通领域。某以Pt为电极的氢氧燃料电池的工作原理如图1所示。下列说错误的是负载9Aa处通入氢气，b处通入氧气B.通人氢气的电极发生的反应为H,一2©102H11C.a极为负极，发生氧化反应OHNaOH12D.若图2中x轴表示实验时流入正极的电子的物溶液质的量，则y轴可以表示c(Na+)图1图2周爱迪生发明的镍铁电池的寿命是铅蓄电池的数倍，其反应原理为Fe十NiO,十2H,OEe(OH)2+Ni(OH)2。下列说法正确的是A.电池工作时，正极附近溶液威性增强B.电解质溶液可以是硫酸溶液C铁作负极，电极反应为Fe一2e0e+=e04D.电解质中OH向NiO电极移动4e负载0.种微生物将有机废水中的尿素(H.NCONH2,氮元素为一3价)的化学能直接转化为电能，并生成对环境友好的物质，其工作原理如M质子-2C02+2N2+微生物交换膜图所示。该电池的总反应为2 H.NCONH+3O有机4HO。下列说法还正确的是废水>H[AM极是负极，N极是正极B,30g尿素参加反应时，有3molH+移向正极区%62C.N极消耗1.5molO时，M极有22.4L(标准状况)N2生成D.电子流向：N→导线→MM-成→N11.直接碳燃料电池(DCFC)是一种清洁高效利用碳资源的发电装置，工作原理如图所示。该电池放电时生成的极CO分子会扩散到碳颗粒表面，发生逆向Boudouard反熔融氧化物应产生更多的CO,并扩散到电极再次发生反应。下列M极说法不正确的是oCO.(M极发生氧化反应碳颗【24新教材·ZC·化学（六）一R一必修第二册一入

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第三部分：语言如识运用（共两节，满分30分】第一节（共15小题：何小题1分，满分15分）阅读下面短文，从短文后各题所给的四个选项(A、D、C、D)中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂

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⊙例句：Everyone makes use of the Internet in different ways.l6.

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Ⅲ.从方框中选择适当的单词并用其正确形式完成句子。1.They spent more than two hourscontrolling thefire,2.There is no sign of t

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【答案】【解析】【答案】【解析】

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万唯中考《定心卷》考前7天必练三、实验及探究题（共2小题，计13分）】【提出问题】电解后溶液中的溶质成分是什么？16.(6分)下图是实验室常用的制取气体的装置。【作出猜想】猜想一：只有NaOH猜想二：NaOH和NaCl止水夹【实验探究】甲、乙两位同学各取少量电解后的溶液于试管中，按照下列操作进行实验。甲同学乙同学恩多孔塑料隔板紫色石蕊溶液过量FeCl,溶液AgNO,溶液C实验操作静置，取上层清液(1)写出标有字母a的仪器名称：(2)小芳用A装置制取氧气，写出利用该装置制取氧气时发生反应的化学方程式：①②实验现象(3)小婷用高锰酸钾制取并收集一瓶较为纯净的氧气，选用的发生装置和收集装置的组合①中产生红褐色沉淀，②中产生白色沉淀是(填字母)。实验结论电解后的溶液中含有NaOH电解后的溶液中含有NaCl(4)小娇用C、D装置组合制取二氧化碳，该气体发生装置的优点是【实验结论】猜想二成立。(5)同学们利用所制取的二氧化碳进行如下实验验证其性质，由该实验可得出二氧化碳具【反思质疑】同学们进一步讨论分析发现，乙同学的设计有错误，应该将FCl,溶液替换为有的性质是(写一条),再加人AgNO,溶液，②中出现白色沉淀即可得出电解后的溶液中含有NaCl。四、计算与分析题(5分)18.(5分)化学实验室开放日活动中，同学们欲测定某鸡蛋壳中碳酸钙的质量分数，按照如图操作进行实验（鸡蛋壳中的杂质不溶于水也不与稀盐酸反应）。完成下列分析及计算：17.(7分)食盐是人类生活中不可或缺的调味用品，海水晒盐是一种最传统的制盐方法，得到加入足量200g稀盐酸的粗盐成分比较复杂，其中除含有氯化钠外，还含有氯化钙、氯化镁硫酸钠以及泥沙等。完全反应睡实验小组的同学开展了有关氯化钠的项目式学。鸡蛋壳碎片剩余物质总质量25g216.2g项目一：海水晒盐海水晒盐的原理是利用阳光和风力使海水中的水分蒸发，得到粗盐。该变化过程主要(1)加入稀盐酸时的实验现象是(2)反应生成二氧化碳的质量是发生(填“物理”或“化学”)变化。(3)该鸡蛋壳中碳酸钙的质量分数。项目二：粗盐提纯取一定量的粗盐样品溶解于足量的水中，充分搅拌过滤后得到溶液a,从其中提取氯化钠的流程如下图所示（图中所加试剂均过量）。BaCl,NaOH Na,CO,溶液溶液溶液溶液过滤→溶液b稀盐酸⑤溶液。蒸发NaCl⑥固体①②③④→沉淀(1)步骤①中发生反应的化学方程式为(2)步骤④过滤后所得沉淀中含有种物质。(3)步骤⑤中加入过量稀盐酸的作用是项目三：氯化钠的应用工业上通过电解饱和NaCl溶液可得到NaOH,H,和CL2。实验小组的同学欲探究电解后溶液中的溶质成分（不考虑气体的溶解）。定心卷·化学第5页（共6页）定心卷·化学第6页（共6页）

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