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聊城三中高二年级上学期英语试题第一部分听力（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）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
1.What is the speakers9destinationA.The park.B.The beach.C.The hotel.
2.What isNancys planfor ChristmasA.To havedinner athome.B.To dovolunteer work.C.To visitsome friends.
3.What iswrong with the manswatchA.Its fast.B.Its stopped.C.Its slow.
4.,Where isthe bookstorenowA.On LearRoad.B.On NelsonStreet.C.On HuntingtonRoad.
5.What isthe mangoing to doA.Do someshopping.B.Give the woman aride.C.Make breakfast.第二节（共15小题;每小题L5分,满分
22.5分）选出最佳选项，并标在试卷的相应位置o听每段对话或独白前，你将有时间阅读各个小题,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.Why doesthewomancharge the manA.Hes returneda booklate.B.Hes damageda book.C.Hes losta book.
7.How doesthe manfeel about the fineA・Its acceptable.B・Its toomuch.C・Its unnecessary.听下面一段对话，回答第8至第10题三个小题
8.What isspecial about the teacupsA.They arefinely decorated.B.They aresold withcandles.C.They areshaped likehearts.
9.Why doesthe mantake theapple-tree-to-be giftA.It looks attractive.B.It providesinstructions.C.It willbe apleasant memory.
10.How muchwill the man payfor thegirlA.$
24.
95.B.$
26.
99.C.$
56.
90.听下面一段对话，回答第11至第13题三个小题
11.What doesKarl needaccording toSusanA.A holiday.B.A promotion.C.A payraise.
12.What doesKarl thinkhis companyshould doA.Offer paidvacations.B.Keep costsdown.C.Employ morepeople.（绳结）the Japanese art of wrapping,using beautifulknots tofasten colorful,reusable fabricsin attractiveways.This way,you91!have no wrapping paper waste to deal with.^^（篮子、织物、礼盒或袋子、茶巾等来装和展示你的礼物学习日本的包装艺术，用漂亮的绳结把色彩鲜艳、可重复使用的织物以吸引人的方式系牢这样，你就不用浪费包装纸了）可知，本段说的是用其他的东西代替包装纸来包装礼物，不要浪费选项“要零浪费”，符A合语境，故选A【题详解】20根据上文“As explainedby SimonEllin,CEO of the RecyclingAssociation,a tradebody thatrepresents about90wastemanagement companies and paper merchants in the United Kingdom,cIt9sacampaign wevebeen onall year—do you正如回收协会（一个代表英国really needto designa non-paper wrapping paper Makepaper withrecycling inmind!大约家废物管理公司和造纸商芍贸易组织）的首席执行官西蒙•艾林解释的那样“这是我们一整年都在进90行的一项运动一一你真的需要设计一种非纸质的包装纸吗造纸时要牢记回收利用！”可推断，下文应该说你去买包装纸的时候也应该要可回收利用的，选项“购物时也要考虑到这一点”符合语境，故选B B完形填空第一节（共15小题;每小题1分,满分15分）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（）（马它鹿）Last month,Koch wentto makebreakfast andfound an21guest usinghis pool.A largemoose was（太阳能覆盖膜）.swimming in the deepend,22in the solar cover丁“I lookedout in the backyardand theres the moose absolutely panickedand23Koch toldThe Dodo.“She steppedon the solar cover and put her24through it and she was25trying to get free.”Koch hasnoticed morewildlife aroundhis homein Ottawa,26he hadnever seenan animal27impressive before.Herushed outsideand pulledthesolar cover offthe28moose,who continuedpaddling29the pool,proving to be asurprisinglyskilled swimmer.The wildmoose seemedto behaving troublefinding herway out of thepool,so Kochcalled thepolice andwildlifeservices to see ifthey could30a hand.She lookedso pitifullysad outthere thatmy wifesaid JIwant togive hera31Workers fromwildlife servicesintended that they wouldget herto asafer spot,but theycouldnt32it until she wasoutof thewater.The bestthing thathappened wasthat after
3.5hours she climbed outof theshallow endand33thefence/9Koch said.sized holesin the
3521.A.informal B.ordinary C.usual D.uninvited
22.A.abandoned B.wrapped C.removed D.forbidden
23.A.struggling B.shaking C.shouting D.searching
24.A.shoulder B.foot C.face D.back
25.A.narrowly B.likely C.desperately D.unwillingly
26.A.for B.so C.but D.or
27.A.this B.well C.almost D.rather
28.A.relaxed B.happy C.tired D.poor
29.A.around B.beneath C.outside D.beyond
30.A.donate B.hurt C.lend D.cureThe moose34unscratched,but the same cantbe saidfor Kochspool——which nowhas twohoof
31.A.lift B.hug C.smile D.credit
32.A.update B.witness C.cancel D.manage
33.A.watched outB.cut downC.jumped overD.dived into
34.A.escaped B.participated C.hesitated D.insisted
35.,A.top B.bottom C.wall D.cover【答案】21,D
22.B
23.A
24.B
25.C
26.C
27.A
28.D
29.A
30.C
31.B
32.D
33.C
34.A
3.5小心；砍倒，削减；跳过；投入根据A.watched outB.cut downC.jumped overD.dived intosheclimbed outof the可知，此处是指她跑走了，所以驼鹿从泳池的浅水处逃离泳池后跳过围栏故选shallow end”C【题详解】34考查动词词义辨析句意这只驼鹿毫发无损地逃了出来，但科赫的泳池就不一样了——现在池底有两个蹄子大小的洞逃跑；参加；犹豫；坚持根据A.escaped B.participated C.hesitated D.insisted“The bestthing that可知,驼鹿在未受伤的happened wasthat after
3.5hours sheclimbedoutof theshallow endand jumpedove thefbnce”情况下成功逃脱故选A【题详解】35考查名词词义辨析句意这只驼鹿毫发无损地逃了出来，但科赫的泳池就不一样了——现在池底有两个蹄子大小的洞顶部；上底部；墙；封面根据A.top Bottom C.wall D.cover“She steppedonthesolarcoverandputher可知，家的泳池就没有未受伤的驼foot throughitandshewasdesperately tryingto getfree.”Koch鹿那么幸运了一泳池的底部留下了两个蹄子大小的破洞故选Bo语法填空（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1As thehighest railwayin the world,the Qinghai-Tibet Railwaywhich36claim tobe impossibleby manyforeignexperts37attract peoplesadmiration fbrcenturies.A lotof effortshave beenmade38make surethe railwaywouldnt damagethe delicatelocal ecosystem.With33passages39build undertheQingshuihe Bridge,wild animalsare allowed40move freelyand safelyin theirnatural habitat.41Locate atover5,000metres abovesea level,Tanggula Stationisthehighest railwaystation in the world.So whenbuilding it,to makesure therailwayworkers stayed42health,several oxygen-making stationswere constructed.As thetrain passesCuona Lake,it issoclose to the railway43passengers alwayswant toreach outand touchits paleblue mirror-like surface.Now thanks44the workers9efforts,passengers fromall overthe countryhave beenenjoying thesemagical landscapes.In aword,theQinghai-Tibet Railwayis45true anextraordinary SkyRailway”.［答案］
36.was claimed
37.has beenattracting
38.to make
39.built
40.to move
41.Located
42.healthy
43.that
44.to
1.你对学生做家务的看法；
2..你最喜欢做的一项家务及原因3【答案】Not surprisingly,many teenagersdon,t dohomework athome forlack oftime.However,personally,doing thechores isabsolutely a necessity.Not onlycan itrelieve ourparents5tiredness afterwork,but alsocontribute tocultivating ourawarenessof labor.As forme,I likecleaning myhouse best,which canhelp releasemy studypressure andmost importantlysave myparentstrouble ofcleaning.Although alittle bittired,it feelsgood to see atidy home,which alsogives me a senseofachievement.In aword,it paystodochores forus high school students.【解析】【导语】本篇书面表达属于应用文要求考生写一篇短文，就中学生很少做家务这一现象发表自己的观点【详解】.词汇积累然而一有助于1however neverthelesscontribute to—lead to压力一总之一.句式拓展简单句变复合句原句pressure stressin aword inshort2However,personally,doingthe chores is absolutelya necessity.拓展句However,personally,doing thechoresis absolutelyanecessity,which benefitsmea lot.【点睛】【高分句型1]As forme,I likecleaning myhouse best,which canhelp releasemy studypressure andmostimportantly savemy parents5trouble ofcleaning.（运用了which引导的非限定性定语从句）[高分句型2]Although alittle bittired,it feelsgood tosee atidy home,which alsogives mea senseof achievement.（运用了引导的非限定性定语从句）which1-5BBCCA6-10BACCA ACABA16-20BABCC
13.What doesSusan agreetodofor KarlA.Watch forjob openings.B.Post anadvertisement.C.Talk tohis manager.听下面一段对话，回答第14至第17题四个小题
14.What isthe womansoriginal planfbr tonightA.Have agood rest.B.Study for an exam.C.Celebrate herbirthday.
15.What doesthemanintend todo withfriends at6:30A.Have dinner.B.Watch amovie.C.Have aparty.
16.When willthe partyprobably endA.At10:
00.B.At10:
30.C.At11:
00.
17.How doesthemansoundA.Enthusiastic.B.Impatient.C.Hesitant.听下面一段独白，回答第18至第20题三个小题
18.What isthe talkmainly aboutA.Disease control.B.Local events.C.Government service.
19.What isprohibited atpresent inOxtonA.Watering gardens.B.Smoking outdoors.C.Washing cars.
20.What doesthe speakersay aboutthe fireA.It destroyeda building.B.It causedserious injuries.C.It wasquickly putout.第二部分阅读（共两节,满分50分）第一节（共15小题;每小题
2.5分,满分
37.5分）阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项AThere aremany scholarshipsrewarding particulartalents,so justfind theright onethat worksfor you.■Spirit of Giving ScholarshipDeadline:July31,2021Award Amount:$1,000Overview:It isavailable tohigh school seniors andcurrent collegestudents.You mustsubmit anessay ofbetween500and750words on one of the followingthree topics:How haveyou advancedthe spiritof givingHow has the spiritofgiving affectedyou personallyHow willyour presenteducation allowyou tobe ofservice toothers■Ocean AwarenessContestDeadline:June15,2021Award Amount:Up to$1,500Overview:It isopen tostudents betweenthe agesof11and
18.Students areinvited tolearn aboutthe climatecrisisand itsimpact onoceans,discover solutionsand creatework thatexplores hopein action.Submissions areaccepted invisual art,film,music,or poetry.■Atlas Shrugged Essay ContestDeadline:September19,2021Award Amount:$25,000Overview:Essay conteston AynRands novel,Atlas Shrugged.There are59prizes,and firstprize is$25,000!Toenter,submit an800to1,600word essayonone ofthespecific topicsaboutthenovel,which can be viewedon thescholarshipproviders website.■Coca-Cola ScholarsProgram ScholarshipDeadline:October31,2021Award Amount:$20,000Overview:It isa scholarshipawarded tograduating high schoolseniors,who arerecognized for their capacityto leadand serve,as wellas theircommitment tomaking asignificant impacton theirschools andcommunities.Applicants mustbeexpecting completion of a highschool diploma atthe time of applicationand planningto pursuea degreeat apostsecondaryinstitution.
1.What isrequired towin Spirit ofGiving ScholarshipA*Students agedfrom11to
18.B.The capacityto leadandserve.C.Submitting anessay.D.Applying forit beforeOctober31,
2021.
2.Which scholarshipis suitablefor Jacksonwho likesreading andwritingA.Spirit ofGiving Scholarship.B.Ocean AwarenessContest.C.Atlas ShruggedEssay Contest.D.CocaCola ScholarsProgram Scholarship.
3.Who areCocaCola ScholarsProgram Scholarshipdesigned forA.Those studyingin college.B.Those tograduate fromhighschool.C.Those with a highschool diploma.D.Those inpostsecondary institutions.【答案】l.C
2.C
3.B【解析】【导语】本文是一篇应用文文章介绍可以获得奖学金的几个项目【题详解】1细节理解题根据奖学金项目中的SpiritofGivingScholarship“You mustsubmit anessay ofbetween500and750（你必须提交一篇至字的短文，题目如下三个）”可知，想words ononeofthe followingthree topics500750要获得此项目的奖学金，必须提交关于所提供话题的一篇论文故选C【题详解】2推理判断题根据题干的要求，喜欢阅读和写作，文中第三个奖学金项目Jackson AtlasShruggedEssayContest是一个征文比赛，故推断出第三个奖学金项目适合参加故选Jackson C【题详解】3细节理解题根据奖学金项目中的Coca-Cola ScholarsProgram Scholarship“It isa scholarshipawarded tograduatinghigh schoolseniors（这是一项颁发给即将毕业的高中毕业生的奖学金）”和u Applicantsmust beexpecting（申请人在申请时必须即将完成高中文凭）”可知，completionof ahighschooldiplomaatthetimeofapplication申请者必须是高中的学生，在申请此项目的时候即将从高中毕业故选BBThey sayeverything isbigger inTexas.While thatmay betrue,some ofthe bestthings inTexas arequite small.Casein point:tiny Mount Vernon,a townof justunder3,000people.But ifyou docome acrossMount Vernon,you mightjustget an intention to stay.That happensalotaround here,and itsworth notinghow remarkablethat is.Tom Wilkinsonwas bornin Mount Vernon87years agoand movedback afterhe retiredfrom hiscareer asa collegeEnglishprofessor inDallas.Like manyof hisneighbors,Wilkinson cantrack hisancestors backto thepioneers whosettledhere inthe1870s.And likemany,he valuesthe simplelife youcant easilyfind inbig cities.“People arestill polite.They holdthe dooropen foryou.he says,We growstrong rootshere!”Preserving and honoring the past has been key to helping Mount Vernon survive.The residentshave restoredandreopened someoftheempty stores,including theold barbershop,built morethan100years ago.An oldgeneral storewasturned intoa combinationspace.Wander inon anygiven dayand you might find a bookclub discussion,a CoffeeLadies（家谱）meet-up,or awork sessionfor thelocal genealogygroup amongthe tablesof peoplechatting overcups ofcoffeeand plates of food.Mount Vernon has the kind of big hearts you tend to find in a small town.For instance,when alocal policemanwasdiagnosed withcancer lastyear,ten-year-old LolaMcKellar setup alemonade standto raisemoney forhis treatments.In2015,when a350-year floodsent waterrushing intolocal homes,an armyof volunteersshowed up togetawheelchair-bound neighbor and hiswife tohigher ground,and thencame backto helprebuild.
4.What doesthe authorthink of Mount VernonA.Remote.B.Wealthy.C.Primitive.D.Attractive.
5.Why didTom Wilkinsoncome backto Mount VernonA.He preferredthe simpleand naturallife.B.He couldcontinue hislanguage teaching.C.He couldlive togetherwith hisancestors.D.He couldmeet moreneighbors ofhis age.
6.What canwe inferabout peoplesway oflife inMount Vernonfrom Paragraph3A.It isin dangerof extinction.B.It isquickly changingover time.C.It isconservative butharmonious.
7.What isthe lastparagraph mainlyaboutA.The historyof Mount Vernon.
8.The humanityof Mount Vernon.C.The volunteersof Mount Vernon.D.The reconstructionofMountVernon.D.It isbeing disturbedby theoutside world.【答案】
4.D
5.A
6.C
7.B【分析】这是一篇说明文本文主要介绍了居住在德克萨斯州小镇的人们返璞归真的生活MountVernon方式【题详解】4推理判断题根据第一段中的（但“But ifyou docome acrossMountVernon,youmightjust getanintentiontostay.如果你确实遇到了你可能会有留下的意愿）”可知，作者认为很吸引人故选MountVernon,MountVernon项D【题详解】5细节理解题根据第二段中的（和许多“And likemany,he valuesthe simplelife youcant easilyfind inbig cities.人一样，他珍惜在大城市里很难找到的简单生活）”可知，退休后回到故乡，是因为他喜欢Tom Wilkinson那里的生活方式故选项A【题详解】6推理判断题根据第三段中u PreservingandhonoringthepasthasbeenkeytohelpingMountVernonsurvive.（保存和纪念过去是帮助MountVernon得以生存的关键）”及“Wander inon anygiven dayand youmight find a bookclub（家谱）discussion,a CoffeeLadies meet-up,or awork sessionforthelocal genealogygroup amongthe tablesof people（在任何——天漫步，你都可能会发现一个图书俱乐部讨论，女士chatting overcups ofcoffee andplatesoffood.们的咖啡聚会，或者为当地家谱组的一个工作会议，人们围着桌子聊天，杯子里有咖啡，盘子里有食物）”可知，的生活保守而和谐故选项MountVernonC【题详解】7段落大意题根据最后一段的首句u MountVernonhas thekindofbigheartsyoutendtofindin asmalltown.（Mount小镇的人有着你会在小城镇发现的伟大的心灵）”及本段的两个例子可知，本段主要说明了Vernon Mount小镇的人情味故选项Vernon BCFrom Mozart to Metallica,tons ofpeople enjoylistening tovarious typesof musicwhile theypaint or write.Manybelieve that music helps boost creativity,but aninternational studyconducted byBritish andSwedish researchersischallenging that belief.Their findingsindicate that music actuallystymies creativity.To cometo theirconclusions,researchers hadparticipants completeverbal insightproblems designedto inspirecreativitywhile sittinginaquiet room,and thenagain whilemusic playedinthebackground.They foundthat backgroundmusicsignificantly damagedthe participants,ability tocomplete tasksassociated withverbal creativity.The researchteamalso testedbackground noisessuch asthose commonlyheard ina library,but foundthat suchnoises hadno impactonsubjects9creativity.The taskswere simpleword games.For example,participants weregiven threewords,such asdress,dial,and flower.Then,they wereasked tofindasingle wordassociated withall threethat couldbe combinedto forma（）common phrase or word.The single word,in thiscase,would besun”sundress,sunflower,sundial.Participants（歌词），completed thetasks ineither aquiet room,oraroom with3different typesof music:music withunfamiliar lyricsinstrumental music,or music with familiarlyrics.“We foundstrong evidenceof damagedperformance whenplaying backgroundmusic incomparison toquietbackground conditions/9says co-author Dr.Neil McLatchieof LancasterUniversity.（干〉步）Dr.McLatchie andhis colleaguestheorize thatmusic interfereswith theverbal workingmemory processesofthe brain,blocking creativity.Also,as farasthelibrary backgroundnoises havingseemingly noeffect,the studysauthors believe that was the case because library noises create a“steady state“environment thatdoesnt disruptconcentration.Its worth mentioning that even familiar music with well-known lyricsdamaged participants9creativity,regardless ofwhether ornot itcaused apositive reaction,or whetherparticipants typically studied or created whilelistening to music.
8.Why areMozart andMetallica mentionedatthebeginningA.To provethey arevery creative.B.To introducethe topicofthetext.C.To showthe importanceof music.D.To offersome backgroundinformation.
9.What doesthe underlinedword stymies“inthe first paragraphprobably meanA.Blocks.B.Boosts.C.Inspires.D.Strengthens.
10.If theparticipants weregiven thewords fire,place andbook duringthe game,a properanswer couldbe.A.man B.store C.work D.boy
11.What dowe knowaboutthestudyA.The taskswere verydifficult forparticipants tofinish.B.All participants were exposedto twodifferent typesof music.C.Music withfamous lyricsdidnt harmparticipants,creativity.D.Library backgroundnoises hardlyaffected participants creativity.【答案】
8.B
9.A
10.C
11.D【解析】【导语】这是一篇说明文文章介绍了音乐对于人们创造力的激发可能会起到阻碍作用实验团队通过实验发现，音乐会阻碍人们在文字上的创造力，然而经常在图书馆听到的噪音却不会对人造成影响，因为图书馆内的声音处于较为稳定的状态总而言之，研究发现无论歌词多么的好音乐都会阻碍人们的创造力【题详解】8推理判断题根据第一段中的“FromMozarttoMetallica,tons ofpeople enjoylisteningtovarious typesof musicwhilethey paintorwrite.Many believethatmusichelps boostcreativity,but aninternational studyconducted byBritish and.（从莫扎特到金属乐队，许多人喜欢在绘画或写作时听各种类型的Swedish researchersis challengingthat belief音乐许多人认为音乐有助于提高创造力，但一项由英国和瑞典研究人员进行的国际研究正在挑战这种观点）”可知，很多人认为音乐会帮助他们激发创造力，然而一项研究却发现事实正好相反由此推知，在开头提到了莫扎特和金属乐队是为了介绍文本的主题故选B【题详解】9词句猜测题根据划线词上文“Many believethatmusichelpsboostcreativity,but aninternational studyconducted by.（许多人认为音乐有助于提高创造力，但一项由英国和British andSwedish researchersis challengingthat belief瑞典研究人员进行的国际研究正在挑战这种观点）”可推知，一项研究表明他们的发现可能会挑战大多数人的信仰，即音乐反而会阻碍人们的创造力由此可知，划线词与阻碍、限制”意思接近故选blocks A【题详解】10推理判断题根据第二段中的“For example,participantsweregiven threewords,such asdress,dial,and flower.Then,they wereasked tofindasinglewordassociated withall threethat couldbe combinedto forma commonphraseorword.（例如，参与者被告知三个单词，如和然后，他们被要求找到一个与这三个单词相关的单dress,dial flower词，这些单词可以组合成一个常见的短语或单词）”可知，在这项实验中，实验者会给被试者三个单词，然后要求被试者找出和这三个单词相关联的词，同时还可以组成共同的短语或词由此推知，如果在游戏过程中给参与者提供的单词是和只有选项中的与这三个词可以组成相关联的词fire,place book,work fire+work=firework烟火，工作场所，练习册故选place+work=workplace book+work=workbook C【题详解】11推理判断题根据第二段中的（任务是简单的单词游戏）”可知，实验采用“The taskswere simpleword games的是非常简单的单词游戏，故项错误；第二段中的A Participantscompleted thetasks ineither aquiet room,oraroom（歌词），.with3different typesof music:musicwithunfamiliar lyricsinstrumentalmusic,or musicwith familiarlyrics（参与者要么在一个安静的房间里完成任务，要么在一个有三种不同类型音乐的房间里完成任务:歌词不熟悉的音乐、器乐或歌词熟悉的音乐）可知，被试者要么在安静的房间内，要么就被暴露在三种不一样的音乐中，而不是两种，故项错误；最后一段中的B Ifsworthmentioningthatevenfamiliarmusicwithwell-known lyricsdamagedparticipantscreativity,regardless ofwhether ornot itcaused apositive reaction,or whetherparticipants（值得——提的是，使是熟悉的音乐和众所周知的歌词也会typicallystudiedorcreatedwhile listeningto music.BP损害参与者的创造力，无论它是否引起积极的反应，或者参与者是否在听音乐时学习或创作）”可知，这一实验打破了人们对于音乐可以激发创造力的看法，同时提到无论哪种音乐都会阻碍到人们的创造力，故项错误；C第四段中的“Also,as farasthelibrary backgroundnoises havingseemingly noeffect,the studysauthorsbelievethatwas（此外，就图书馆thecasebecauselibrarynoisescreate a“steady state”environment thatdoesnt disruptconcentration.的背景噪音似乎没有影响而言，该研究的作者认为，这是因为图书馆的噪音创造了一个“稳定状态”的环境，不会干扰注意力）”可知，图书馆内的背景音乐对于人们的创造力似乎没有什么影响，因为这种声音一直都是保持一个稳定的状态，是不会打扰到人们注意力的集中，项符合文意故选D DD（酶）The scientistswho re-engineered theplastic-eating enzymePETase havenow createda new enzyme calledcocktail”,which candigest plasticup tosix times faster.PETase breaksdown PETback intoits buildingblocks,creating anopportunity torecycle plasticand reduceplastic（热塑性塑料）pollution.PET isthe mostcommon thermoplasticused tomake single-use drinksbottles,which takeshundreds of years to break down inthe environment,but PETasecan shortenthis timeto days.The initialdiscovery setupthe prospectofarevolution inplastic recycling,creating apotential low-energy solutionto tackleplastic waste.Now,thesametrans-Atlantic teamhave combinedPETase andits partner，a secondenzyme calledMHETase,togenerate muchbigger improvements:simply mixingPETase withMHETase doubledthe speedof PETbreakdown,andengineering aconnection betweenthe twoenzymes tocreatea“super-enzyme”,increased thisactivity bya furtherthreetimes.The teamwas co-led bythe scientistswho engineeredPETase,Professor JohnMcGeehan andDr GreggBeckham.Professor McGeehansaid:Gregg andI werechatting abouthow PETaseattacks thesurface ofthe plasticsand MHETasechopsthings upfurther,so itseemed naturaltoseeif wecould usethem together.Our firstexperiments showedthat theydid work better together,so wedecided tophysically linkthem.It tooka greatdeal ofwork,but itwas worththe effort-wewere delightedtoseethat ournewenzymeis up to three timesfasterthan theseparate enzymes.”The originalPETase enzymediscovery indicatedthefirsthope thata solutiontotheglobal plastic pollution problemmightbe withingrasp,though PETasealone is not yetfast enoughto handlethe tonsof PETbottles.Combining itwith asecondenzyme,and findingtogether theywork evenfaster,means anotherleap forwardhasbeentaken towardsfinding asolutionto plastic waste.PETase andthe newcombined MHETase-PETase bothwork bydigesting PETplastic.This（化石）allows forplastics tobe madeand reusedendlessly,reducing ourreliance onfossil resources.
12.What canwe learnabout“cocktail from the textA.It doublesthe breakdownof plastics.B.It takeshundreds ofyears tobreak down.C.It contributesto breakingdown plasticquickly.D.It dealswiththeplastic wastethreetimesfaster.
13.What isthe secondparagraph mainlyaboutA.A newstudy of PET.B.The breakdownofPET.C.The discoveryof PETase.D.The functionsof PETase.
14.What doesthe underlinedword“It”in Paragraph4refer toA.Co-leading thetrans-Atlantic team.B.Combining PETaseand MHETase.C.Attacking thesurface ofthe plastics.D.Talking aboutconducting experiments.
15.What canwe inferfromthetextA.PET pollutionisnolonger adifficult problemto dealwith.B.New enzymeis speedingup ourreliance onfossil resources.C.MHETase-PETase makestheworldfree fromplasticpollution.【答案】D.Plastic-eating enzyme“cocktail“promises newhope forplastic waste.
12.C
13.D
14.B
15.D【解析】【分析】这是一篇科普说明文文章介绍了一种用于加速塑料制品降解的新的酶一的原理、研发过程cocktail和产生的效应【题详解】12细节理解题根据第一段中的which candigest plasticuptosix timesfaster.（它能以快六倍的速度消化塑料）”可知,这种新的酶可以使塑料的降解快六倍因此，从文中我们能了解到项cocktail“cocktail”C（它有助于快速分解塑料）”符合题意故选项【题详解】“It contributesto breakingdown plasticquickly C13主旨大意题通读文章第二段尤其是（热塑性塑料）“PET isthe mostcommon thermoplasticused tomake single-usedrinks bottles,which takeshundredsofyearstobreakdownintheenvironment,but PETasecan shortenthis timeto days（是最常见的热塑性塑料，用于制造一次性饮料瓶，在环境中分解需要儿百年的时间，但可以将PET PETase这个时间缩短到几天）”可知，主要介绍了科学家研究的第一种酶的作用即快速降解因此，PETase PET第二段主要讲解的是项（的作用）”符合题意故选项D“The functionsof PETasePETase D【题详解】14词义猜测题根据第四段中的Our firstexperiments showedthat theydidworkbettertogether,so wedecided to（我们的第一个实验表明，他们确实在一起更有作用，所以我们决定从根本上连接他们）”physically linkthem可知，科学家们想结合和使其产生更好的效果，划线词所在句子的意思是PETase MHETase,it“这需要大量的工作，但值得付出努力”，指的是和的结合工作因此，本文第四段划线it PETaseMHETas词指的是项（结合和）符合题意故选项it B“Combining PETaseand MHETase.PETase MHETase”B【题详解】15推理判断题通读全文，尤其是第一段（酶）“The scientistswho re-engineered theplastic-eating enzymePETase have（科学家们重新设计了“吃”now createda newenzyme called“cocktail”,which candigest plasticuptosix timesfaster塑料的酶现在他们创造了一种新的酶，叫做它能以快六倍的速度消化塑料）”可知，本文是PETase,cocktail,一篇科普说明文，介绍了科学家们通过研究，把两种用于降解塑料的酶结合，产生一种新的酶它会更cocktail,快地分解塑料废物，大大降低其对环境的污染因此，我们从文中推断出D项uPlastic-eating enzyme“cocktail（吃”塑料的酶为promises newhope forplasticwaste.“cocktail”塑料垃圾带来了新的希望）”，故选项D七选五（共5小题;每小题
2.5分,满分
12.5分）根据短文内容,从短文后的选项中选出能填入空白处的最佳选项有两项为多余选项How toReduce GiftWrap WasteWrapping paper may have“paper“in itsname,but thatdoesnt automaticallymean itcan berecycled.16Try thesesuggestions forcutting downthe amountof wrapping paper youthrow away.Reuse whatyou have.17Its estimatedthat theU.S.produces
4.6million poundsof wrappingpaperannually,and
2.3million poundsof thatstays inpeoples homes,awaiting reuse.Use differentmaterials.18Select basicbrown thickpaper thatcan bemade upwitha bow,ribbons,leaves,pinecones ormarkers.Repurpose newspapers,old postersand childrensschool artworksas wrappingpaper.Thereare plentyof othereco-friendly alternativesto wrappingpaper thatare justdelightful andcelebratory.19Use baskets,fabric,gift boxesor bags,tea towels,and moreto containand displayyour presents.Learn the（绳结）Japaneseartof wrapping,using beautifulknots tofasten colorful,reusable fabricsin attractiveways.This way,youll havenowrappingpaperwastetodealwith.Ask forbetter paper.Shops storewhat customerswant,and recyclabilityshould bea toppriority,so letthatbeknownwhen youreout shopping.As explainedby SimonEllin,CEO ofthe RecyclingAssociation,a tradebody thatrepresentsabout90waste managementcompaniesandpapermerchantsintheUnitedKingdom,“Its acampaign wevebeen onallyear-do youreally needto designa non-paper wrappingpaper Makepaper withrecycling inmind!^^20A.Try zerowaste.B.Shop withthat inmind,too.C.You donthave tochoose shiningpaper todecorate apresent.D.In fact,many typesofwrappingpaper cannotdue totheir materials.E.When wrappingpaper isextremely thin,it hasfew goodquality fibersfor recycling.F.Wrapping papercan beused manytimes ifcare istaken tounwrap itwithout tearing.G.Having amix ofrecyclable andnon-recyclable papersisareal problemfor companies.【答案】
16.D
17.F
18.C
19.A
20.B【解析】【分析】本文是一篇说明文介绍了几种减少包装纸浪费的方法【题详解】16根据前文中的uWrapping papermayhave“paper”in itsname,but thatdoesn tautomatically”可知，包装纸的名字里可能有纸，但这并不意味着它可以回收利用，选项“事实上，mean itcan berecycled.D许多类型的包装纸由于其材料而不能被回收”承接上文，讲了为什么有些包装纸不能回收利用，选项中的与上文中一致，故选wrappingpaperWrappingpaperD【题详解】17根据主题句（重复使用你用过的东西）可知本段主要写重复使用你用过的包装纸，“Reuse whatyou have.F选项“如果小心翼翼地打开包装纸而不撕裂，包装纸可以多次使用”符合本段主题，故选F【题详解】18根据主题句Use differentmaterials/5（使用不同的材料）及下文“Select basicbrown thickpaper thatcanbemade upwithabow,ribbons,leaves,pinecones ormarkers.Repurpose newspapers,old postersand childrensschool artworksas（选择基本的棕色厚纸，可以用蝴蝶结、丝带、树叶、松果或记号笔wrappingpaper.组成把报纸、旧海报和儿童学校的艺术作品重新用作包装纸）可知，你不必用精美的纸来装饰礼物，选C项扣题，故选C【题详解】19根据本段Use baskets,fabric,gift boxesor bags,tea towels,and moreto containand displayyour presents.Learn。
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