2022一2023学年第一学期高三期中联芳生物参考答案1.【答案】B【解析】NDM-1细菌与口腔上皮细胞的主要区别是后者有成形的细胞核，A项错误；若将NDM-1细菌的遗传物质彻底水解会产生6种物质，即脱氧核糖、磷酸及4种含氨氮碱基，C项错误；细菌和兔子成熟的红细胞都没有复杂的生物膜系统，D项错误。2.【答案】D【解析】发酵用“菌”包括细菌和真菌，根据用途不同，可选择进行不同呼吸方式和不同代谢类型的微生物，但它们的共同点是都含有DNA和RNA,D项正确。3.【答案】A【解析】细胞学说只涉及动植物，并不能阐明各种生物都具有统一性，A项借误；细胞学说使得生物学的研究从之前的器官和组织水进入了细胞水，B项正确；细胞学说也为后来达尔文的进化论埋下了伏笔，C项正确；由于细胞体积太小，无法用肉眼观察到，所以没有显微镜的发明就不可能建立细胞学说，D项正确。4.【答案】B【解析】水参与某些代谢过程，A项错误：胆固醇是构成动物细胞膜的重要成分之一，B项正确：F2+参与组成血红蛋白，C项错误；氧元素在细胞鲜重巾含量最高，碳元素在细胞干重巾含量最高，D项错误。5.【答案】D【解析】随年龄增加，人体内含水量逐渐减少，因此人从幼年到成年体内相对含水量的变化可以用曲线①表示，D项错误。6.【答案】C【解析】脂质通常不溶于水，而溶于脂溶性有机溶剂，C项错误。7.【答案】B【解析】不同生物体内蛋白质种类不完全相同，A项错误；氨基酸的种类和数量相同，其排列顺序和空间结构不一定相同，因此不一定是同一种蛋白质，C项错误；蛋白质在高温下变性失活，失去其正常生理功能，D项借误。8.【答案】C【解析】核酸甲为DNA,在转录过程中与蛋白质形成复合物，A项错误；RNA主要分布在细胞质中，B项错误；核苷酸都是通过磷酸二酯键连接，D项错误。9.【答案】B【解析】野生型酵母菌的分泌蛋白先由核糖体合成，再转移到内质网中进行加工，A项正确：根据题干中“分泌蛋白需经内质网和高尔基体加工成熟”可知，在内质网中积累的大量蛋白质不具有完整功能，B项错误；乙型突变体的高尔基体因功能障碍导致从内质网形成的囊泡与之结合后不再形成新的囊泡，膜面积异常增大，C项正确；丙型突变体是线粒体缺陷型酵母菌，提供的ATP减少，导致分泌蛋白的合成和分泌过程均会减弱，D项正确。10.【答案】B【解析】水分子除了依赖水通道蛋白，还可以通过自由扩散的方式进出细胞，A项错误；载体蛋白只容许与自身结合部位相适应的分子或离子通过，而且每次转运时都会发生自身构象的改变，所以载体蛋白在转运物质过程中，其结构一般会发生变化，B项正确；水通道蛋白位于细胞膜上，往往贯穿于磷脂双分子层中，C项错误；蛋白质是生命活动的承担者，不同细胞的功能不同，故细胞膜表面的水通道蛋白种类和数量不同，D项错误。11.【答案】C【解析】根据题干信息，自噬过程处理的是“一些损坏的蛋白或细胞器”，因而不能清除癌细胞，C项错误。生物第1页（共4页）

Thes huge costsrttherinr The world Cupnfeaturmpee(npriIthat figr jumped toCos have bevby buldngstadium foevery ouament.Qatar of thehave been buil msratchin 1966 England did not build any.28.What does Qatar expect the event to do?A.Show the economic power.Please global football fans.B.Improve future productivityCD.Make up for the investment.What does the underlined word"buoyedn Paragraph 2mean?A.Backed.B.IncreasedC.Controlled..Treated.Who will mainly benefit from the football event financially?A.FIFA.B.Local government.C.The host countryD.International teamsWhy is this tournament in Qatar so costly?A.Because of maintaining seven new stadiums.B.Because it makes the least profit from the event.C.Because of the improving cost of each footballer.D.Because of building new infrastructure and courtsD"When we are stressed,we are more likely to want to avoid not just the task athand,but the negative emotions we feel around that task as well,"Alicia Walf,aneuroscientist and senior lecturer at Rensselaer Polytechnic Institute in New York,explains."That's because at a basic neuroscientific level,we have a bias toward thepresent and prefer the immediate reward of feeling good when the brain releases theneurochemical dopamine(多巴胺).”Essentially,our brains are hardwired to approach tasks we find enjoyable andavoid those that produce negative feelings..“Our limbic brain(大脑边缘系统)，theemotional part of our brain,is saying,'Let's do this other thing and avoid that otherstressful thing,while our prefrontal cortex(前额叶脑皮层)is the CEO of our brain,”says Walf "It's making a plan,setting the goals,and making sure we stay on track.But there can be a disconnect when our limbic brain denies that prefrontal cortexmessage."Then there's the burst of energy we often get when we're up against adeadline,which leads to a reward pathway within our brains and sets the foundationfor procrastination(拖延症)as a habit..“When you sprint(冲刺)to the end and get tothe goal,it's so satisfying;we almost get ourselves in that pattern of Well,I got itdone,and it felt good,'"says Walf.In an effort to retrain your brain,Walf recommends taking breaks to refocus yourattention on the task at hand.Methods such as the Pomodoro Technique can help youstay focused,in which you work within 25-minute intervals followed by five-minutebreaks and continue circling until the task of the day is completed.Integratingmindfulness techniques during those breaks,such as meditation(),yoga,andjournaling,can also help reduce the stress that causes procrastination."Trying tominimize stress by deliberately refocusing on whatever the task is,versus thosefeelings of anxiety,is about retraining your approach to stress and behaviors,"says Walf.英语试题（一中版）第6页（共10页）

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PBDAc10.dogsC.friendsD段is.A.cbildrenB.catsD.cameC.stoppedA4.A.returnedB.leftD.cageD5.八areaB.supermarketC.houseC.travelledD.waited老6.人eB.packedD.aceusedB.informedC.warnedD.streetC.phoneC8.A.schoolB.companyC.chanceD.hopeD49.A.promiseB.adviceC.walkingD.runningB.gettingB.desperatelyC.occasionallyD.initiallyC61.A.mentallyB.heardC.madeD.receivedD52.A.foundD.youngC53.AB.strongCold且.satisfactionC.scareD.confusion△54.A.surpriseC.rememberingD.reciting食5.A1B.dialingCwitnessedD.meb旋D.6.tefcomed里comfortedD.shock57.A.plakeB.orderC.troubleC.excitedD.sure数各58，四pe5B.sorryB.coneernedC.tirelessD.gentle259.A.selfish长Ao.A.helpB.ideaC.commentD.plan第一节（共10小题：每小题1.5分，清分15分）B阅读下面短文，在空白处填人1个适当的单词或括号内单词的正确形式The first challenge astronauts have to face in space is weightlessnessUnlike walking,数jumping or running on Earth,they"float"or"crawl"to their destination.However,weightlessness brings not only inconvemencepa series of physical effects.That's why astronuts,especially thoseremain in orbit for a long time,need to take￥exercise regularly.havebeenThe three sonuts,or akChin'space sation63 (be)providedwith diverse customized fitness6 eqjuip),including4 bicycle and a treadmill(跑步机)，which have aroused much curiosiry from Earth.other means67(exercise)their legs and keep their bones and museles strong dulongterm orbital flight.The space treadmill has been pped with gravitysimthat thesronatexercise in normal gravity,just as on Earth,which builds uphey)muscles and compresses the bones to stimulate (bone reconstrution Running the treadmll ominutes in space isequal to runming about 3 kilometers on Earth.【高三英萌第9，（共0页】·25-350

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第二节读后续写（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。On the last day before Christmas,I hurried to the stores to buy the remaining gifts I didn't manage to buyearlier.Seeing all the people crawling along in the queue there,I started to complain about this annoyingChristmas.Nonetheless,I made my way to the toys section.Once I was there,I started to curse at the pricesas I wonder if all kids really play with such expensive toys.While looking in the toys section,I noticed a small boy of about five years old,pressing a doll against hischest.He kept on touching the hair of the doll lovingly and looking at the pricetag.His eyes looked so sad.Before I knew it,I found myself bending over and asked who he wanted to give the doll to."It is the dollthat my sister loved most and wanted so much for this Christmas.She was so sure that Santa Claus wouldbring it to her."Still holding the doll in his hands,the boy continued,"but I don't have enough money."I told him that maybe Santa Claus would bring it to her after all and not to worry.However,he repliedsadly,"My sister and I are living with Granny.She is a cleaner in a big building and she is working very hard.She tries her best to give food to us."My heart nearly stopped."I told Granny and my little sister that Santa Claus will send gifts to them,"thelittle boy looked up at me and said,"I prayed to God to help me and I started to save every coin in my pockethalf a year ago,so that I could have enough money to buy them each a small gift for Christmas.But now I don'teven have enough for the doll."He looked at the doll again quietly with sad eyes.Tears welling up in my eyes,I quickly reached for my wallet and took a few dollars out.注意：1.续写词数应为150左右；2.请按如下格式在答题卡上的相应位置作答。I said to the boy,"What if we checked again,just in case,to see if you have enough money?"Two days later,I happened to be in a neighborhood visiting my friend when I spotted a familiar doll,andtwo little people._舟山市2022学年第一学期高二英语期末检测卷（第8页共8页）

柜上放一本书。17.D。18.C。本句讲书籍的作用：书籍把作者带到了异域和过去，让作者认识了真实的和虚构的人物。real与fictional构成反义同现关系。19.D。根据上句可知，作者享受着阅读的乐趣。20.A。作者对阅读的热爱始于老师的引导，因此作者该向老师表达最深的感激。

第26.What does the underlined word "splurging"in第二节paragraph 3 probably mean?第阅读下面短文，从短文后的选项中选出可以填入空A.Trying to save money.白处的最佳选项。选项中有两项为多余选项。Spending much money freely.t of time a分C.Making a plan for her money.D.Being concerned about money.分edhMa27.What is the author's purpose in writing the text?Traveling will remind yeA.To introduce some lessons about making a budget.Usually,you ofien knd through the things you读B.To stress the importance of saving money in our life.读pWh0风he trarvel is to escaTo encourage people to learn some budgeting skills.t you can vG Ifyou're san a trip,this article will give you eD.To remind people to pay attention to their lunckBe opn to the and be illing to let evbudget.C第节阅读下面短文，从每题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项。28.What does Alice Williams mainly want to say inparagraph 2?People say home is where the heart is Hower,when the homeyou're living in isn't safe,the heartache can be a real headache.That wasA.Taking in more protein makes us healthierthe 41for one Nova Scotia family until neighbors stepped in to helpB.Our diet alone may not give us enough nutrition.them 42the difficulties.C.Eating junk food is the fastest way to gain weight.分When Alvero Wiggins was diagnosed with kidney failure,it createda(n)43effect on the family.That meant spending about nine hours a dayProtein powders have advantages in gaining weight.on treatment And that also meant 44 work.Unable to earn a living.theywere foreed o move intoa shelter.29.What should we avoid doing according to the FDA?Depending on protein shakes to gain weight(A)41.A.situationB.intentioncompletely.言C.solutionD.requestB.Using supplements after a complete meal(C)42.A.presentB.avoid C.solveD.experienceimmediately.用(D)43.A.oppositeB.magical C.slightD.lastingC.Eating some high-calorie foods for weight gain(D)44.A.taking onB.returning toD.Paying too much attention to our weight.8C.searching forD.knocking off45Wiggins had developed strong ties with his community.Before30.Why does Alice Williams suggest avoiding pre-madeshakes?They usually contain unhealthy elements.B.They slow muscle growth and recovery.第三部分his lless he wasan active in two.Somanypeople in the neighborhood were 46to offer a helping hand.Sarah MacLaren had worked alongside him for years.And she knevhow much Wiggins invested in the pursuit of 47 others.So she thoughthe 48 to get something back.Getting this family a better place to live inbecame the most 49 mission for herC.They perform poorly in weight gain.(C)45.A.AccidentallyB.FinallyD.They are often overly advertised.语C.FortunatelyD.Secretly31.What is the best title for the text?(B)46.A.hesitantB.willing C.proudD.curiousA.Protein powders are helpful in losing weight(C)47.A.teachingB.understandingB.Having a healthy diet while gaining weightC.helpingD.acceptingC.The nutritional benefits of protein shakes用(B)48.A.pretended B.deservedC.hopedD.affordUsing protein shakes to help gain weight(A)49.A.importantB.challenging感C.dangerousD.unpleasantDMacLaren was 50 a local housing initiative-A Home for Everyone32.What does Yaniv Maor intend to show in paragraph第For the past 15 years,she and her peers have51funds for variou2?housing-related charities.Along with her charitable board,the52 wasA.The main functions of FARsmade that this year's eamings would go toward helping the Wiggins familyB.The farmers'constant worries.find a home.With their53 a four-bedroom townhouse would be thehome of the family."It means a lot to us,"Wiggins told CBC with 54The reason for developing FARs.分"Idon't even know how to find the words to55 everybody who hasD.The great demand for fruit managers.supponted me."33.What can we infer from paragraph 3?(C)50.A.in favour ofB.in response toA.Human demands are the driving force of human语C.in charge ofD.in need ofdevelopment.(D)51.A.startedB.borrowedB.Smart robots intended for farming are springing upC.exchangedD.raisedworldwide(B)52.A.promiseB.decisionC.assumptionD.discoveryC.Most technical developments are based on artificial用(A)53.A.effortsB.wordsC.tipsD.skillsintelligence.(A)54.A.excitementB.embarrassmentDaily observations can be a source of inspirations for感C.confusionD.sorrowinventions.(B)55.A.rewardB.thankC.greetD.invite第第三节阅读下面短文，在空白处填入1个适当的单词或括34.What is paragraph 4 mainly about?号内单词的正确形式。A.What FARs can do.部The world is full of tea drinkers.Past studies in卷How FARs work.China and Japan,56.where green tea is popular,C.What FARs are like.have suggested several health benefits.Now,a newD.How FARs are developed.study suggests that tea might help those who drink it35.In what aspect are FARs expected to play a语live 57.longer (long)than those who don't.great role?The study 58.was performed (perform)byA.Increasing the production of fruits运scientists from the National Cancer Institute of theB.Developing agricultural technologies.US.They examined the data 59.gathered(gather)C.Increasing the efficiency of laboring.用about black tea drinking behavior of 500,000Solving the problem of labor shortage.康adults in Britain for 14 years.3

2022一2023学年高三年级二轮复阶段性测试英语参考答案及评分细则听力材料Text 1W:Hi,Mike.Welcome to our office.I was loaded with work the last couple of weeks.But now with your arrival,I can seemyself going home for a rest from now on.M:Thank you.I am very happy to be here.Though I'm new here,I am glad to be of any assistance to you.Text 2W:Thank you,Jason,for the wonderful food I've had this evening.Do you often eat at this cafe?M:No.Actually this is my first time here.My friends kept telling me the food was great,so tonight I invited you along.I'mglad you like it.Text 3W:Robert,our flight will begin to check in at 9:40.M:Don't worry,Mary.There's still half an hour to go,and everything's ready.Text 4W:Hello,Mary speaking.M:Hello,Mary.This is Darren.I'm calling about the party tonight.It's at 8:00 at Jill's house.You can bring a dessert ifyou want.No need for any flowers.W:Sure,no problem.Text 5M:Mom,I just finished my paper.Can you read and polish it before I hand it in?W:Sure,let me take a look.Well,this is terrific.Your ideas are so original.I can tell you worked hard on it.M:I really did!I started thinking about what I wanted to say three weeks ago,and it seems that it all is worth my effort.Text 6W:How may I help you?M:I need to return these books and check out this video.W:What happened to this book?Its cover came off,so you need to pay for the damage.It's going to be five dollars.M:That's not bad at all.A least it isn't twenty dollars or more.Here you go.And I would also like to return this videoabout space exploration and check out this new video about global warming.W:May I see your library card?M:Here you go.W:You have to take care of this video.You will be fined if you damage it.M:I understand.Thank you very much.W:You're welcome.Have a nice day.Text 7M:Mum,lomorrow is Halloween.Have you decided how to dress me up this lime?W:I'm not sure.Last year I took you around dressed as a rabbit.What do you want to be,Patrick?M:I want to be dressed as a Balman!Some friends suggest that I get dressed like a pumpkin,and some suggest that Idress like a pie.W:OK.Then I'll get Batman clothes for you.Where's Mary?I'll check what she wants for the Halloween.英语第1页（共6页）

C篇Lecturers.考查名词复数根据谓语动词cover.及设空主题语境：人与自然E篇宇宙探索处位于句首可知，此处应填Lecturers主题语境：人与自我一生活是新闻报道章主要介绍了韦伯太空望远镜文是新闻报道文章主要介绍了东南亚和太洋8.swiftly.考查副词。被微流星体击中这一事件】作状语，故填swiftly设空处修饰cover a lot of material,an。地区的机场比西方国家的机场更现代化，提供更好的值机设施和更舒适的环境g.shorten。考查动词。根据设空处前面的can可知，设空考查冠词。keep an eye on意为“留神，留意”2.potentially考查副词。,设空处修饰填potentially此处需注意potential并不修饰hreat后面的impactful,故1.考查形容词。设空处修饰airports,意为“主要处应该填动词原形，故填shorten,意为“缩短”10.t。考查it的用法。设空处作形式主语，真正的主语是3.to be hit。.查动词不定式。telescope和hit之间是逻辑to be systematic,故填It。上的被动关系，再根据expecttodo结构可知，此处填questioned。考香动词-ed形式。设空处所在句的主千为A surprising75 per cent of those felt that..,由此可知，设【知识链接】to be hit空处只能作非谓语，且hose和question之间是逻辑上的intranet::计算机用语，指内联网（公司、大学等的内部4.anticipated.考查动词-ed形式。设空处修饰lifetime,意网络)。为“预期的”，故填a被动关系，故填questioned5 whether/if根据in考查介词。良括纹前后两个数字可知，此处指B篇十分,故填in。同义表达还有one out of ten、one历史与文化tenth主题语境：人与社会故填whether.4.the。考查冠词。the last twenty years指过去的二十年本文是说明文。文章主要介绍了“唐宋八大家”中的6.location。考查名词。根据设空处前的ts和设空处后的which/that考查关系词。设空处前的a continuing三苏父子」状语in deep space可知，此处填名词形式，由子l.S5trend作逗号前the enormous growth in passenger numbersknown考查动词-d形式。分析本句的结构可知，逗号million kilometres from Earth对于位置进行了限制，因此的同位语，由此可知，设空处引导限制性定语从句修饰前的Su Xun and his sons Su Shi and Su Zhe是主语，谓语只能填单数形式location。trend,故填which或that。were famous men of letters,thinkers,因此设空处作7.using。考查动词-ing形式。the telescope looks at thesatisfaction。universe是完整的句子，因此设空处作非谓语，且6考查名词。设空处虽然修饰ratings,但不能非谓语：且know和Su Xun and his sons之间是动宾关系填其形容词形式，因为此处表示满意度评分，故填故填known。know sb as..意为“将某人称为.telescope和use之间是逻辑上的主谓关系，故填using。satisfactionstatesmen。考查名词复数。statesman是可数名词，此处8.means。考查一般现在时。此处描述韦伯望远镜的客观usually。考查副词。设空处修饰动词offered,作状语，故和men of letters、thinkers并列，故填statesmen情况，故填means。从句中的makes为时态提示。them。考查代词。设空处作介词of的宾语，故填them:9.f6h。考查序数词。根据设空处前的the和后面的was填usuallycompetitors。excellence。考查名词。此处需要理清句子结构：主千是可知，此处指第五次撞击，故填fifh。考查名词复数。根据上文中的Airports inBritain and the United States可知，东南亚和太地区The father and sons formed a San Su culture,for后是并列10.than。考查连词。设空处前的bigger表明此处应填机场的竞争对手是英国和美国的机场，表复数概念，故宾语，分别是their profundity of philosophical thinking、.than.填competitors。of political careers、great successin literature diversity【知识链接】9.to appreciate。考查动词不定式。seem to do sth为固定of experiences in life。由此可知，设空处需要填入名词，mirror:主镜，指反射式望远镜中对入射光而故填excellence音的第哭皮射一般是望远镜中最大的镜面：搭配，故填to appreciate第3版10.inexpensive.考查形容词。设空处所在部分和theiroutstandingly。考查副词。设空处修饰形容词talented,children were amused共同构成These passengers were故填outstandingl语法填空专练(破折号后具体说明了三苏父子的风格各参unlikely to complain的条件，因此，便宜的餐馆才不会6.不相间，因此进处指一人一个风格，故植考答案让乘客抱怨，故填inexpensive。此处没有比较对象，故排除填入less expensive的可能7.and。考查连词。concise for Su Xun、unrestricted for Suwho that2.contributor 3.famously4.a【知识链接】Shi、elegant for Su Zhe三者之间是并列关系，且此处是在gettingspottedunable8.andrefreshments:饮料，小食（常用复数】列举，故填and9.returns10.takenD篇8.for。考查介词此处构成be famous for结构，意为“因B主题语境：人与社会一-科学与技术·而出名”，故填介词for,I.which2.variety4.endangered文是说明文。文章主要介绍了像鸟儿一样飞翔的9.influential。考查形容词。设空处在句中和popular并列5.extremely6.acenturies8.as无人机9.to huntSmartBird。它可以静静地穿越天空，在狭小的作表语，故填形容词influential:.10.and空间里起飞降落l0.were written。考查一般过去时被动语态：主语they(指pieces of writing)和write之间是被动关系，且write这个1.leadingquestioned 3.in4.theL.of。考查介词。a bird's-eye view of sth意为“鸟瞰，俯动作发生在过去，此处应填were written5.which that 6.satisfaction 7.usually视”，故填of。8.competitors9.to appreciate 10.inexpensive2.noisy。考查形容词。设空处作表语，表示“吵闹的”，故【知识链接】0填noisman of letters:文人，作家1.of2.noisy3.when4.Itswhen。考查连词。，此处构成when it comes to sth结构，C篇主题语境：人与自然-5.which6.named意为“当涉及某事时”，故填when。自然生态7.silently8.to copy4.9.a10.flyingIts.考查代词。设空处限定loud motors,故用形容词性本文是说明文章介绍了·份新发布的有关野生解析物主代词，且设空处位于句首，故填1ts动植物开发利用的报告A篇which。考查关系词。设空处所在句的主语是So-called动我美蒙成形权处码为所配器聚主题语境：人与自我做事文章主要介绍了德国野生动物摄影性定：亮的导非限本文是记叙文。题信息。师-Norbert Rosing.6.named.考查动词-©d形式。设空处所在句的谓语是2.highlights。考查一般现在时。根据finds、recommends的1.who/that.考查关系词。NorbertRosing isflies,因此设空处作后置定语，修饰one,且one和name之时态可知，此处描述客观情况，故填highlights。aninternationally famous photographer是一个完整的句子，间是逻辑上的被动关系，故填named。sustainably考查副词。设空处修饰非谓语动词used,因此设空处后的is recognized for his impressive wildlife7.silently。考查副词。设空处修饰can cross the sky,作状意为“可持续地”，故填sustainablyphotos修饰photographer,是定语从句，故填who或that语，故填silently4.evidence。考查名词。根据设空处前的the可知，此处应2.contributor。.考查名词。设空处所在部分是主语Rosing8.to copy。考查动词不定式。此处构成aim to do sth结构，填不可数名词evidence.的同位语，且其前有不定冠词A,故填contributor,意为故填to copy5.to。考查介词。此处需要理清句子结构，that后为定语从“(杂志或书的)撰稿人，投稿人？9.a。考查冠词。bird是可数名词，且此处表泛指，故填a句，修饰harm,且ham在从句中作does的宾语，因此此3.famously。考查副词。分析句子结构可知，设空处在句l0.flying。查动处构成do harm to结构，故填to。中作状语，故填famously。词-ing形式。设空6.the。考查冠词。设空处后的conservation organization即4.a考查冠词。此处指他拍摄的北极熊的照片出现在很处修饰robot,表▣教教教指Pro Wildlife,因此表示特指，故填the。多书籍、期刊、日历和明信片中，故此处用a number of这“能飞的故填学一般过去时被动语态。设空处在句个固定表flying7.was released。考查中作谓语，且主语A summary of the assessment和release5.getting。考查动词-ing形式。设空处前有介词After,且【知识链接】资资之间是被动关系，动作又发生在过去(on8July,2022),句子主语Rosing和get之间是逻辑上的主谓关系，故填the best of both故填was released,getting.worlds:两全其美源验

录音材料原文：Text 1M:Lovely day,isn't it?W:Yes,isn't it?In our city we haven't such a day.M:It's a pity.By the way,what part of the world do you come from?W:France.What about you?Text 2W:Anything I can do for you?M:Could I change these pounds for dollars,please?W:Do you want small bills or large ones?M:It doesn't matter.Text 3W:You must be thirsty.Would you like a bottle of Coca Cola?M:I would rather have a bottle of beer than Coca ColaW:That's OK.Here you are.M:Thank you.Text 4M:Miss Wang.W:Yes,sir.Anything I can do for you?M:Yes.Please make a call to IBM.Tell them that we will place an order for 50 personalcomputers.W:All right.I'll do it at once.Text 5W:You look awful.Do you have a cold?M:No,I've been up all night finishing a paper.All I've had to drink is coffee.Text 6W:Now you say you're not sure how the thieves got in.Before I look round,can I ask you a fewquestions about the house?M:Of courseW:Do you always lock the front door when you go out?M:Yes,and I'm sure I locked it yesterday.W:What about the windows?M:Well,the downstairs ones are always locked.We even have a lock on the little one in the hall.W:And upstairs?M:Well,I think most of the windows probably locked.They were all locked on Friday.W:And you didn't open any on Friday night?M:No.I'm sure I didn't.W:Well,I can't understand it.Let's go and look round.Perhaps I'll notice something you havemissed.Text 7M:Can you tell me something about your education?W:Yes.I'm a graduate of Zhengzhou University.I studied business.M:Did you like your courses?W:Very much,and I've done well in all of them.Here are the results of my examinations.英语参考答案与评分细则第3页（共2页）

We shared the5ht if you'refortte cough to have success,you should somethingbackhe ih his Newman'ood for kids inedadm with Sundance.Paul and Ididn'tseother all that y but sharing ht ouus together.We supporedacher finaciallyadbshowing up at 54.1last saw him a fewmonths ago.He'd bee in and ouof the hospital.He and I both knew what the deawas,and we didn't talk about it Ours was a relationship that didn't need a lot of55C.tallD.smart1.A.handsomeB.famous42.A.supportedB.sponsoredC.enviedD.declinedC.listened toD.appealed to43.A.attended toB.turned toD.was developed from44.A.was ruined byB.was restored byC.was valued forB.meaningC.rootD.motivation35.A.resource46.A.theaterB.danceC.musicD.sports47.A.admittedB.learnedC.respectedD.grasped48.A.arguing aboutB.approving ofC.running intoD.digging into49.A.responsibilitiesB.qualitiesC.reliabilitiesD.capacities50.A.uniqueB.ordinaryC.fundamentalD.typical51.A.sympathyB.inspirationC.affectionC.willingness52.A.goalB.beliefC.standardD.experience53.A.putB.takeC.giveD.bring54.A.screensB.eventsC.partiesD.concerts55.A.actionsB.promisesC.messagesD.words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】个适当的单词或括号内单词的正确形式。A traditional Chinese dance performed underwater in Luoyang,Central China's Henan Province,(go)viral on social media during the Dragon Boat Festival.The show led to renewed passion among audiencesfor traditional Chinese.art and culture.The(impress)dance is named The Prayer,which was the opening performance of the gala byHenan Teleyision Station on-Saturday.In the video on social media the underwater actress is seen dancing in colorful traditional Chinese costume.The short dance,which lasted less than two minutes,was seen as ao (cumibine)of contemporary art andtraditional Chinese culture."The water made the costume even more gorgeous and the moves 59(graceful)!"said one observeronline.Netizens were left(amnaze)by both the beauty of the dancer and the 61 (create)involvedin putting_the dance underwater.The dance featured a character from 63 famous ancient Chinese painting Ode to Goddess Luo,thedaughter of a sacred king character Fu Xi in a Cbinese taledrowned and then became a goddess."The moves were captured underwater at 4.5 meters from the ground.The team spent a total of 26 hoursunder water6>1tcomplete)the shooting.The film team had to soak themselves in the water in eachshooting session,"Chen Jia,director of the HNTV gala,said to local media2023届高三湖北十一校第二次联考英语试题第8页（共10页）

第52期练题参考答案第2版EXTENSIVE READINGA 1-2 CA【Reflection】略BI.1-2 BDII.1.researchers from the Netherlands and Australia2.300 supermarket shoppers3.the scent4.Supermarket shoppers spend more when there's a smell of fresh fruit in the air.【Reflection】略I.1.92 2.two 3.far from4.340IⅡ.1-5 FTFTT【Reflection】略第3版I.1-4 ABADII.1-5 BDABC6-10 ACCDA11-15 BDBADlⅢ.1.creating2.seriously

绝密★启用前2023高考冲刺试卷（六）英语时量：120分钟满分：150分第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节（共5小题；每小题1.5分，满分7.5分）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、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟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。例：How much is the shirt?A.￡19.15.B.￡9.18.C.￡9.15.答案是C。1.Where was the woman brought up?BA.In England.B.In IndiaC.In China.2.What does the man think of the movie?AA.Interesting.B.Dull.C.Scary.3.When did Lucy get to school?AA.At 2:00 p.m.B.At 2:15 p.m.C.At 2:30 p.m.4.What will the speakers do next?A.They will eat out.B.They will cook food.C.They will have a rest.5.Why does the man want to leave his company?A.Because he sees no future.B.Because he is always busy.C.Because his boss doesn't like him.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A,B,C三个选项中选出最佳选项。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟，听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题。6.What are the speakers talking about?A.Growing long hair.B.A better hairstyle for students.C.The regulation on hair.【2023高考冲刺试卷（六）·英语第1页（共10页）】

注意：1.写作词数应为80左右：2.请按如下格式在答题卡的相应位置作答。Dear Mr.Brown,Yours sincerely,Li Hua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。As a child,I usually got whatever I wanted.My parents were quite well off and being theyoungest of the three children also guaranteed that I got the most attention.I had no lack ofluxurious things,much to the envy of my friends and classmates.Whenever a new productcame out,all I had to do was to tell my parents about it and sooner than later the new thingwould be mine.I never knew what lack was until one day I was witness to an incident thatchanged my outlook on life completely.It began on a beautiful evening when I accompanied my mother to a shopping mall(to do some shopping.We went on spending and spending without worrying whether wecould pay for the things.My father would settle everything.So there we were buying things without a care in the world.We even got the shopkeepersto send our purchases down to our car parked in the basement of the mall.Finally,whenwehad just about had enough for the day we came across a scene that really touched my heart.Right next to the entrance to the shopping mall was a poor old man.What shocked mewas that the man had no legs!He only managed to slide along the ground with the help of histhin hands,begging for money.For a long moment I just stood there staring at him.WhileIwas very particular about shoes I wanted,the poor man did not even have legs.Tears flowedout of my eyes and I had to run into my car to avoid embarrassment.I felt sad all the wayhome.英语试题第11页（共12页）

C.It is environmentally friendly.D.It can keep wet for a long time.29.What is the researcherstitudothe future of the fungus skin?BA.Uncertain.B.UnfriendlyC.Positive,D.Flexible.30.In which seion fnewsaper can you read the text?BC.Culture.D.Science.A.Geography.B.Fashion.31.What may be the best title for the text?A.An alternative to plasticsDB.A new use of a fungus skinC.The introduction to fungusesD.The function of fungus materialsDHave you ever read back something you've written and felt like it's not quite as strong asve toyou'd like?One possible reason is that you overuse crutch words ()So,what arewerecrutch words?Crutch words are words a speaker or a writer uses without knowing it.They are usuallyuse innot needed and don't add to the story.If someone is speaking,you'll recognize a crutch word灵芝)as a pause,or if the speaker uses“um”or“ah”alot.Crutch words in the conversation alsoinclude favorite words and phrases,.such as“you know'”,“anyway'”,“just”,“all right'”andtrees."like".They only give the speaker time to think before they move on to the next idea.tself,"For writers,crutch words operate in much the same way,but instead of a pause,they'reet thisfiller words we use because we haven't thought the sentence through enough.They're words缘的)that are easy.They flow naturally into the space that could easily be occupied by a slighter andrewriting of a sentence or a different word choice.Now that you know what crutch words are,the question is how you can get rid of them.unnerIt's not always easy to notice your own writing quirks ()so it might take a bit of hardgy.”work to find what yours are.fami-The next time you sit down to read over your writing,look carefully for repeated wordsor phrases.Mark them so they're easy to find later.Look at both an old and a new piece oftheywriting and compare the two.Are there phrases or words you use a lot that are common tolargeboth?If yes,then you've found your crutch words.Once you've known your crutch words,they're easy to cut out later.But don't be afraidif you find them in your first draft.Eliminating those words is exactly what revision is for.32.What might an article with too many crutch words be like?A.Formal.B.Weak.C.Quality.D.Easy.【高三英语第6页（共10页）】·23-3900·

4兰出HE EKL Y掌上周报微信小程序英语周报智能小助手关治国私(2022-2023)第43期KEY CORNER(项语圆沉所听力材料Rg2023年高考菜模拟试题八所力材料、参考答及部分解析A项符合语境。A项中的resourceful意为荣智ouse a bright new makeW:Oh.what have you donewith the woodenhomeis onefloors?They're all different colors.which makes greater use ofechnology to improve how ourwork.乐教师奖，这令地感列十分惊好，即地对于白40.E.能获i方认可而(Tet 2)We're lucky to have sponsorship fronme27.D.理解主台要义到惊technology companies.When you enter thehou解的Wilcannia任教的经历，根据最后一段本文主要介绍了作者到不量you'll find innovations everywhere.Let's start中的W0 many storics to share.individuality与小标题中的conformity构成反the kitchenprojected digitallyo义同现，与下文中的oddball(古怪的人)构成areW:OK.I know what you mean.Is $10 enough forhe workmine of cooking meals difficult Dishes oftensurfaPeoplePublished心o作者将自岂my近义复现cre as a teache语言知识运用0u2(Tet 3)don't cook well because the times are not accurat本书，书名W:Oh dear!It doesn't look very healthy.主题语境：人与社会一人际沟通The problem has been solved here.The new over义，D项格此书名经中也暗含教有令人成长的含M:I know.I bought it to cheer up the flat a bitcan recognize the dish that you have put in and本文是记叙文，Gaither来治疗后被暴风You know,a bit of color and greenery.but itknowctlyhow tocookand forhowclassroom指代作者任教的偏远地区，因此D项为最佳标题。just looks depressing now!.re are also some changes in the bedroom点所国却意外得到了初中蓝球长练的桥助41.B。根据下文中的whom she(Text 4)windows have a smart system to change主题语境：人与自然in more than30ycas可知，米帮助地的是地最想不到的人】W:We've got to apologize to our neighbor againdepending on the brightness.The lighting in the本文是新闻报道。文章介绍了央探犬搜寻42.C.根据severe snowstormhit,Manykase ol our dog.tunes into your body clock to helpM:Did he make much noise again?gradually入侵物种和洲危物种的工GaitherThen whatabout28.D。理解具体信息，was trapped及最后-段中的ensW:No.He went to Peter's garden this aftemoonbathroom?It has also been significantly changedFrat拦下了根据第一段内容可知，and damaged his roses there.and some technology has been used in it.For名正在拉船的司机，问他能否(Text 5)让自己的狗检查一下他的船，她的狗在搜寻宽铁置c的n可知a43.A,根据下文电的her fo入侵物种斑马贻贝ch可知，前来W:Bill,sorry to interrupt,but can I have a quick援教Gahc:的是地初中时的篮球牧练。参考答案word?iI-5 CBCBA29.B。理解具体信息。根据第三段中的h©y44.A.根据trapped at a D.C.dialysis center及6-10ACCBA11-15ABBCCShe arrived at theM:Yes,of course.What's up?at about 6 a.m.on Jan.36-20BACA日21-25 BCBDBreproduce in massive numbers,and eat theW:I need to take the day off on Friday.My son's26-30 CDDBA知，当31-35 CACDA36-40 CBGAE 41-45 BCAADseaweed that native mussels need to survive.Without food,the nativeperforming in a school concert.46-50 DCBACspecies die off可知，(Text 6)51-55 BABDA56-60 CBCDD下文中的facility与本空构成原词复现。61.leaving斑马贻贝会大量繁殖，吃光本地贻贝赖以生62.where63.nM:Emma,do you have any free time this存的海藻。没有食物，本地物种就会灭绝。45.D,46.D。根据Gaither goes for dialysis at64.1t65.s0veckend?66.effectively67.has improved 68.more30,A。理解具体信息。根据倒数第二段中的least three times a week she stays at theW:Well.I have an essay to do before next70.to come69.confidenceMost detection dogs ball-crazyand full offacility until 10:45 a.m.,but she was feeling ill短文改错energy ball-crazy dogs will do almostthat day and decided toMOMonday.That means I'll be working all day onSaturday.but I'll have some time off onanything to get that reward.That makes可知，GaitherSunday.Why don'tyou pop round late SundayWe watched a special science lecture on TVeasy to train可知，狂喜欢球的狗能成为很会在透析中心特到10：45，但那天地感觉不舒幸aftemoon for coffee?in class on last Wednesday.It was broadcast from服，因此提前结束了透析。M:OK.I'll dothat.It sounds likespace.During a lecture,astronauts Chen Dong.好的探犬，因为这类狗为了得到玩球的奖局几乎会去做任何事情，因此它们很容易训47.C.根据下文中的who uses a wheelchair

一所使用的词汇有限，语法结构单调，错误较多，滋响理解。未能有效地使用语句间衔接手段，全文结构不够清晰，意义不够连贯。第一档(15分)一一内容或逻辑上有较多重大问题，或有部分内容抄自原文，续写不完整.与原文情境基本脱节。一一所使用的词汇有限，语法结构单调，错误很多，严重影响理解。一一几乎没有使用语句间衔接手段，全文结构不清晰，意义不连贯。零分未作答：所写内容太少或无法看清以致无法评判：所写内容全部抄自原文或与题目要求完全不相关。【高三英语·多考答案第4页（共4页）】·23-415C·

2023年河北省初中毕业生升学文化课考试总分核分人英语模拟试卷(+二)本试卷共12页。总分120分，考试时间120分钟。市、区、乡mXI题号KXCDA)B)学校得分听力部分班级得分评卷人I.听句子，选出句子中所包含的信息（共5小题：每小题1分，满分5分)姓名)1.A.two armsB.two earsC.two eyesA.speak louderB.stay longerC.start later考场()3.A.set the tableB.eat the vegetableC.serve the soup()4.A.Jim will go to the lake.B.Jim has been to the lake考号C.Jim is on his way to the lake()5.A.They are taking photos.B.They are visiting a house座位号C.They are looking at some photos.得分评卷人Ⅱ.听句子，选出该句的最佳答语（共5小题；每小题1分，满分5分）)6.A.Who are you?B.Speaking.C.Yes,I hope so.)7.A.No problem.B.It's too late.C.I've got a cold.()8.A.She is tall.B.She is a nurse.C.She is very well.()9.A.Not at all.B.I'm really sorry.C.It doesn't matter.)10.A.Is this your pen?B.Do you need a pen?C.May I borrow your pen?线得分评卷人Ⅲ.听对话和问题，选择正确答案（共8小题：每小题1分，满分8分）)11.What will Lily do?英语模拟试卷（十二）第1页（共12页）》

NGLISHWEEKLY关治周拟高考第13期【山西师范大学主管2022-2023学年总第3737期2022.9.23星期五山西师大教育科技传媒集团主办英语周报社编辑出版社长：徐文伟总编辑刻永俊国内统一刊号：C140705F)网址：htp:小wW,ew.cm.cm★★女★☆Hard★★★女★Very hard★☆☆☆☆Very easy★★☆☆☆Easy★★★☆☆Normal掌上周报微信小程序扫描播放高三英语上学期期中综合能力评估试题（二）听力音频MarksClassName第一部分听力（共两节，满分30分）第一节（共5小题；每小题1.5分，满分7.5分）》11.What does the man offer to do?听下面5段对话，选出最佳选项。A.Design the bags.B.Rent sewing machines.1.Who is the woman probably phoning?C.Visit local cotton suppliers.A.A teacher.B.A chemistC.A hairdresser.12.Where will most of the bags be sold?B.In accessory shops2.How will the speakers probably travel?A.In the supermarkets.C.On the street.A.By shipB.By trainC.By car.听第9段材料，回答第13至16题。3.When is it expected to rain?13.What has the woman been busy doing recently?A.On Wednesday.B.On Thursday.C.On Friday.A.Collecting articles on clothing4.Why does the man call the woman?B.Learning a foreign language.A.To give a suggestion.B.To ask for help.C.Working on the paper.C.To make a complaint.14.Who first used the color blue on stone and wood according to5.What are the speakers mainly talking about?article?A.What to do.B.Where to eat.C.When to leave.A.The Egyptians.B.The Italians.C.The French第二节（共15小题；每小题1.5分，满分22.5分）15.What does the woman think the color of her dad's uniform shows?听下面5段对话或独白，选出最佳选项。A.Unity and power.B.Truth and authority.听第6段材料，回答第6、7题。C.Calm and peace.初6.What relation is Karen to the man?16.What will the woman do next?B.Copy the articleA.His daughter.B.His wife.C.His mother.A.Name blue thingsC.Color the clothes7.What did the man like best about the restaurant?听第10段材料，回答第17至20题。B The foodC The atmospherethe box?

1、2024届衡水金卷先享题 [调研卷](一)1思想政治(JJ)试题

1、2024届衡水金卷先享题 [调研卷](一)1思想政治(JJ)答案

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目录具有提纲

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1、2024届衡水金卷先享题 [调研卷](一)1文综(JJ)试题

从事生态美国的支持。此后日俄两国就瓜分中国东北和朝鲜问题始终未达成要协。1904一1905年两国断交并在中国

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1、2024届衡水金卷先享题 [调研卷](一)1地理(JJ)答案

1、202

4、2024届衡水金卷先享题 [调研卷](六)6文数(JJ·B)答案

geam0=0-ows0=-号将y=x代入76,点P在直线x-5y=-乞上c【解析】设AB=BC=a,向量AB,BC的夹角为0，aabci=at265a=b→双曲线C的由Ad=DB,BE=2EC,AE

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【答案】B【解析】由-x2+5.x十6>0，得x2-5x一6<0，解得-10成立的一个充分不必要条件6.若“了x。∈R,x十a.xo十1=0”是真命题，

请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无刻请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无效20.(12分)21.(12分)选考题(10分)请考生从给出的22、23两题中任选一题作答，并用2B铅笔在答题卡上把所选的题号涂黑，注意所做题目必须与所涂题号一致，如果多做，则按所做的第一题计分。我所选择的题号是【22】【23]请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无效请在各题目的答题区域内作答，超出黑色矩形边框限定区域的答案无效(2-2)

(4)在处理含油废水的同时，可获得单细胞蛋白，实现污染物资源化。为评价A、B两菌株的相关性能，进行了培养研究，结果如下图。据图分析，应选择菌株B进行后续相关研究，理由是该菌株增殖速度快，单细胞蛋白产量高；降解脂肪能力强，净化效果好。菌株B一细胞密度量-面--1002.0★801.5菌株A-细胞密度菌株A-脂肪剩余601.0400.520菌株B-脂肪剩余00培养时间【解析】(2)利用稀释涂布板法统计活菌数目时，需要将制备的菌悬液进行梯度稀释，以获得细胞密度不同的菌悬液，一般来说，菌落数在30~300个的板最适于计数。0.1mL菌悬液中含有46个酵母菌落，则1L菌悬液中含有460个酵母菌落；1.0g土壤样品首先稀释100倍，然后稀释10倍，共稀释了1000倍，因此样本中每克土壤约含酵母菌460×1000=4.6×105（个）。(3)采用射线辐照引起酵母菌基因突变，此种方法属于诱变育种。检查诱变酵母菌产脂肪酶的能力，需要把酵母菌接种到以脂肪为唯一碳源的培养基上，按照产生菌落直径大小进行初步筛选，直径大的说明产酶能力强，利用的脂肪（碳源）多，直径小的说明产酶能力弱，利用的脂肪（碳源）少。(4)通过分析题图可知，相同时间内，菌株B细胞密度大，说明该菌株增殖速度快，单细胞蛋白产量高；相同时间内，菌株B利用的脂肪多，脂肪剩余量少，说明该菌株降解脂肪的能力强，净化效果好。38.【生物一选修3：现代生物科技专题】(15分，除标注外，每空2分)转基因抗虫棉的迅速推广普及，有效地控制了棉铃虫的危害。抗虫棉培育过程如下图所示：含Bt毒蛋白农杆菌含重组Ti质粒基因的DNA的农杆菌①DNDNmTi质粒重组T质粒棉花细胞愈伤组织分化形成试管苗的芽注：质粒中“Bt”代表“Bt毒蛋白基因”，“KmR”代表“卡那霉素抗性基因”。(1)过程①是基因工程4个步骤中的基因表达载体的构建，所需要的酶是限制酶和DNA连接酶。过程③将棉花细胞与农杆菌混合后共同培养的目的是让重组T质粒上的T一DNA转移进入棉花细胞并整合到棉花细胞的染色体DNA上。(2)种植转基因抗虫棉可以大大减少农药（或杀虫剂）(1分)的使用，以减轻环境污染。(3)体外快速扩增目的基因，常采用PCR技术，该技术的原理为DNA半保留复制（或DNA双链复制)。理科综合试题第99页

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教材词汇自主测七年级（上）Units1~4含Starter)die hard.11.question12.want;want(him)to succeed单词关13.healthy:keep heal

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D.NH参与的是非氧化还原反应·D.装置丁可用于制备金属锰0.“类推”这种思维方法在化学学与研究中有时会产生错误结论，因此“类推”的结论最终要经过实践的检验才能确定正确与否。下列“类推”说法叙述证确

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3、衡水金卷 2024届高三3月大联考(新教材)文科综合答案

1、广东省衡水金卷2024届高三上学期摸底联考语文试题答案

高三第一轮复周测卷·语文（二十五）新高考-R-必考-FJ·A村的远期“投资”也一步步产生“效益”。李家华用了句很

17:3714G994文科数学答案.pdf购头6兀购头24儿总可个人用户4060100文科数学参考答案第4页（共9页）公司用户2080100总计%140200…6分(2)由(1)中2×2列联表得K2=a8g0r=25←9524>7879，…10分n(ad-be)2所以有99.5%的把握认为用户类别与购买意向有关系.…12分18.【解析】(1)由a(sin2A-sin2C)=b(sin2B-sin2C),得a(a2-c2)=b(b2-c2)…1分化简得(a-b)(a2+b2+ab-c2)=0…2分因为△ABC三边均不相等，所以a≠b,即a2+b2+ab-c2=0由余弦定理得cosC=+b2-c2.1…3分2ab2在△MBC中，由0

西安中学高2024届高三第一次月考理科数学试题答案一、选择题：(5分×12=60分)题号123489101112答案BcDBDACBCCB二、填空题(5分×4=20分)13.CD;14.15.8;16.(81,144)三、解答题（共70分)17.(本小题满分10分)2-1解：(1)由题意知g(x)=xf(x)=x2+1易知函数(x)的定义域为R,8(-x)2-1.(-x)=1-2x2-12x+12x+12*+1·x=8(x).函数g(x)为偶函数.5分(2)方法一：M00=f00t1=2-12+1=2-23+2=2-2+2-2+4.8分f(x)2+12-1(2+1)-(2-1)22x-122x-1由2>0且22≠1得，1<-1或、1寸22-1x22x-1>0,进而2+4<-2或2+24->2,22x-1即h(x)的值域为(-0，-2)(2，十∞).10分方法：f=2-1-1-2Γ2+12*+12+1>1,0<2<2,即-2<2<0,2+12+1理科数学参考答案第1页，共5页

则十器-42一46分所以|AB|=√G-五)2+(1一)了=√（石-）2+[(-2)-(-2下=√1+R.√五-a)了=V+-1x√-4x录-，2k2+1同要可得1D1-(安+).4g+品+1k2+2…8分所以SRBENNU-2|AB|X|CD|=十)(2+T'8(k2+1)3…9分因为(+2)(22+1)≤[+2)+(2+D-9(+1,24当且仅当k2+2=22+1,即=士1时等号成立，11分所以5…≥8生出-号面得44综上：四边形ACBD的面积的最小值为号12分22【客案]0圆C+y-4红-2y-0:直线1：一2y-2=0225【解析】(1)在圆C的参数方程中，消去参数a,有(x一2)2十(y一1)2=5，整理为x2十y2一4z一2y=0.…2分将x=pcos0,y=psin9代人直线l的极坐标方程，有x一2y一2=0，4分故圆C的普通方程为x2十y2一4x一2y=0,直线1的直角坐标方程为x一2y一2=0；…5分(2)在直线1的直角坐标方程中，令x=0,可得y=一1，故点P的直角坐标为(0，一1)，…6分设直住的参超方程为“分套数。将直线1的参数方程代入圆C的普通方程后整理为52一12t十3=0，设A,B两点对应的参数为则1十名一号46一号…8分有1PA1=√(21-0)2+(-1)-(-1)]℉=511，PB1=√512|，可得1PA+Pa=6a+1D=51a+-5×号=12,5……10分23.【答案】(1)略(2)略【解析】(1)证明：因为[(a-1)2+b-2)2+(c-3)2]1+12+1)≥[(a-1)×1+6-2)×1+(c-3)×1=(a+b+c-6)2=25,,……4分当且仅当早2-早，即a=-号，6=}c专时取等号，所以u-)+0-2+(:-3y≥号…5分(2)证明：由a2十b≥2ab(当且仅当a=b时取等号)，子十c2≥2bc(当且仅当b=c时取等号)，c2+a2≥2ca(当且仅当a=c时取等号)，b式相加，有。叶十之b十木a且仅当时取等8》7分2a:+28+2e+ab+be+ca-(a++d)+(a+b+e)+ab+bc+ca称≥a+心+2)+(ab叶c十ca)+b+c+a=（a+b+o)=1(当且仅当a=b=c=号时取等号》，放不等式2a2+2b+22+ab+bc+ca≥1成立.…10分Unit文科数学答案第6页（共6页）Mus