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课时训练(四)Units58(七下)(限时:30分钟).单项选择1.2019原创IthinktheHUAWEIP20worksasastheiPhone8.Ilikeitverymuch.A.goodB.wellC.badD.badly2.xx黄冈Ourclassroomissoclean.Whoscleanedit,LiFei?Sorry,Idontknow.Ithinkdiditbeforeclass.A.somebodyB.nobodyC.everyoneD.anyone3.xx黄冈DidQingdaoshowtotheworldduringtheSCOSummit(上海合作组织峰会)?Sure!Herbeauty,hightechnologyandrapiddevelopment.A.somethingspecialB.anythingspecialC.specialsomethingD.specialanything4.xx淮安Thegirlhastohergrandmabecauseherparentsareworkinginanothercity. A.lookatB.lookintoC.lookthroughD.lookafter5.xx德阳Chinahaspopulationintheworld. A.bigB.thebiggerC.thebiggestD.biggest6.xx上海MrZhouisgoodatcookingandhehasdecidedhisownrestaurant.A.openB.openedC.toopenD.opening7.xx连云港Howamazingthisrobotis!Wow,ithasvideocamerasinitseyes,soit“see”andinteractwithpeople. A.mayB.canC.mustD.should8.Whatsyourproblem?IhavetroublethesewordsinEnglish.A.sayB.sayingC.tospeakD.speaking9.xx河北Thebreadisreallydelicious.Thankyou.Iitmyself.A.makeB.madeC.willmakeD.ammaking10.xx宿迁fineweatheritis!Shallwegohikinginthehills?Whynot?A.WhatB.WhataC.HowD.Howa.xx扬州二模完形填空Atthepicnic,TomandBeckyvisitedthecaveswiththeotherchildren.However,theyhadlefttheirfriendsbehindbeforetheynoticedthat.Theytooktheir11andwalkeddownasmalltunnel.Theymadesome12onthewall,whichwouldhelpthemfindtheirwayback.Alargenumberofbatswerehangingontheroof.Thebatsdidnotlikethecandlelightand13thechildren.TomandBeckywereso14thattheykeptrunninguntiltheyescapedfromthebats.“ItisalongtimesinceI15theothers.Letsgoback,Tom,”saidBecky.Theytriedtofindawaybackwithoutgoingthroughthecavewithbats.16,theyfailed.Bothchildrenbegantoshout17,butnobodyanswered.Beckybegantocry,“Tom,werelost.Well18getoutofthisawfulplace!”Tomtriedto19herandgavehersomecakeshehadtakenfromthe20.Theywentonshoutingforhelp,withoutanyreplyreachingthem. Suddenly,theyheardsomebodyshoutingfaraway.Theyshoutedbackandtriedtogetcloser,buttherewasabigholeaheadofthemandtheycouldnotgo21it.Theshoutingwentfurtherawayuntilitwasgone. Tomdidnt22hope.Hetriedanothertunnel.Withallhis23,hegotBeckyandhimselfoutatlast24hewasveryhungry,tiredandfrightened.Theyhadbeeninthecaveforthreedays.TomsawaboatontheriverandaskedthepeopleinittotakethemtoSt.Petersburg.Thepeopleinthetownwereveryhappytoseethe25children.Bothofthemwereveryweakandhadtostayinbedforafewdaystogetstrongagain.Whatafantasticexperienceforthetwo!Lifewillneversaynotothosewithgreatcourage!11.A.foodB.drinksC.candlesD.flashlights12.A.picturesB.notesC.marksD.colours13.A.attackedB.admiredC.attractedD.avoided14.A.pleasedB.frightenedC.nervousD.satisfied15.A.caughtB.foundC.heardD.followed16.A.UnpleasantlyB.UnluckilyC.UnexpectedlyD.Uncertainly17.A.insurpriseB.withexcitementC.inconfidenceD.withfear18.A.surelyB.neverC.seldomD.proudly19.A.stopB.refuseC.pleaseD.calm20.A.caveB.tunnelC.picnicD.boat21.A.pastB.downC.upD.through22.A.giveinB.giveupC.giveoutD.giveaway23.A.effortB.effectC.influenceD.information24.A.ifB.althoughC.unlessD.because25.A.excitedB.strictC.seriousD.lost.xx连云港阅读理解Batsaretheonlymammalsthatcanflyagreatdistance,buttheyhaveanotherability.Manybatslivealongertimethanotheranimalsoftheirsize.Europeanresearchersarestudyingbatstounderstandwhytheylivesolong.Theyhopetomakediscoveriestofighttheagingprocess(过程)inhumanbeings.Lastweek,thegroupofscientistssaidtheyhadfoundimportantbiologicalqualitiesinsomebatspecies.Thegroupstudiedbatchromosomes(染色体),alineofgenesfoundinthenucleus(核)ofcells.Thescientistsweremostinterestedinpartsconnectedtotheendsofthechromosomes.Theyarecalledtelomeres(端粒).Telomeresprotecttheendsofchromosomes,whichshorteneachtimeacelldivides.Scientistsbelievethisshorteningprocesscausescellstobreakdown.AreportonbatswaspublishedthismonthinthejournalScienceAdvances.AmongtheleadersofthestudywasEmmaTeeling,abiologistwithUniversityCollegeDublininIreland.Teelingsaidstudyinglong-livingmammalsthathavedevelopedwaystofightagingisanotherwaytoprovethemolecular(分子)basisofextendedhealthlength.Sheaddedthatstudyingbatsmadescientistsabletolearnmoreabouttheprocessesthatdrivehealthyaging.TheEuropeanresearchersstudied493batsfromfourbatspecies.Thegroupusedinformationthathadbeengatheredovermorethan60years.Oftheseanimals,thegreatermouse-earedbatgenerallylivedthelongest,anaverageof37years.Thescientistssaidthisandarelatedspecies,whicharegroupedtogetherunderthenameMyotis,hadtelomeresthatdidnotshortenwithage.AnotherMyotisbatholdstherecordforoldestage,reaching41years.Thescientistsfindingssuggestthatthesebatscellshavetheabilitytokeepandrepairtheirtelomeres.This,theysaid,helpsguardagainsttheagingprocess.Basedonitsbodysize,abatlikethegreatermouse-earedbatwouldbeexpectedtolivefouryears.But,thesemammalshavebeenfoundtolivenearly10timeslongerthanthat.Thescientistsfoundthateighteenofthesearebats.TheonlyexceptionisanunusualAfricanrodent,thenakedmolerat.26.WhichsentencecanbeputattheendofParagraph3?A.Thismakesscientistsabletostudybats.B.Thatswhybatscanflyagreatdistance.C.Theysaythisiswhatcausesaging.D.Theydiscoverthecellsconnectedtohumans.27.Whydosomespeciesofbatsliveaverylongtime?A.Becausetheyhavealineoflong-livinggenesoutofthecells.B.Becausetheircellshavetheabilitytokeepandrepairtheirtelomeres.C.Becausetheyhaveanotherabilitytolivelongerwithoutanyfoodorwater.D.Becausetelomeresprotecttheendsofchromosomestostopcellsdividing.28.Theunderlinedword“that”refersto.A.fouryearsB.bodysizeC.theagingprocessD.theabilitytorepair29.Whatsthebesttitleofthepassage?A.DifferencesBetweenLong-LivingAnimalsB.AScienceReportonChromosomesC.DoBatsHoldtheSecrettoLongLife?D.AreHumansandBatsSimilarinProtectingThemselves?.从方框中选择恰当的词或短语并用其正确的形式填空(每个词或短语只能用一次)ascarefulas;hearfrom;doonesbest;beafraidof;sudden;growup30.Dontdogs.Theyareveryfriendly. 31.Ihaventmysonforalongtime.Imisshimverymuch. 32.,Iheardababycryinginthenextroom. 33.Ifyoudont,youwillfallbehindothers. 34.Marywantstobeateacherwhenshe.35.LindadoesherhomeworkJim.根据所给汉语和句子意思,用英语补全句子36.Inorderto(扑灭)thebigfire,hehadtorushintothehouse.37.(多么漂亮)caritis!Whendidyoubuyit?38.xx连云港二模Afterthelonghiking,everyoneis(太虚弱不能走更远).39.Lilysits(在旁边)Fangfang.40.Ilookedforwardto(收到的来信)allofyou.参考答案.1.B2.A3.Bsomething用于肯定句或表示请求的疑问句中,anything用于疑问句或否定句中。形容词修饰不定代词要位于不定代词之后。故选B。4.Dlookat意为“看”;lookinto意为“调查”;lookthrough意为“浏览”;lookafter意为“照顾,照料”。根据后半句“因为她的父母在另一个城市工作”可知,这个女孩不得不“照顾”她奶奶。故选D。5.C6.Cdecidetodosth意为“决定做某事”。故选C。7.Bmay意为“可以”,表示肯定许可;can意为“能;能够”,表示能力;must意为“一定;必须”;should意为“应该”。因为“眼睛里有摄像头”,所以具备“看”的能力。故选B。8.B9.B根据语境可知,“做面包”的动作发生在过去,应用一般过去时。故选B。10.A.1115CCABC1620BDBDC2125ABABD.主旨大意 本文是一篇科普说明文。文章讲述了欧洲科学家研究了作为哺乳动物,蝙蝠寿命长的原因。同时还列举了几种不同蝙蝠寿命长的原因。26.C信息还原题。根据第三段中的“Scientistsbelievethisshorteningprocesscausescellstobreakdown.”可知,这个缩短的流程会引起细胞破损,会对寿命造成影响,故选C。27.B细节理解题。根据倒数第二段中的“Thescientistsfindingssuggestthatthesebatscellshavetheabilitytokeepandrepairtheirtelomeres.”可知,这些蝙蝠长寿的原因是它们的细胞能保持和修复它们的端粒,故选B。28.A细节理解题。根据倒数第二段中的“Basedonitsbodysize,abatlikethegreatermouse-earedbatwouldbeexpectedtolivefouryears.”可知,此处that指代fouryears,故选A。29.C主旨大意题。本文主要讲述的是科学家研究蝙蝠长寿的原因,故选C。.30.beafraidof31.heardfrom32.Suddenly33.doyourbest34.growsup35.ascarefullyas.36.putout37.Whatabeautiful38.tooweaktogo/walkanyfurther39.nextto40.hearingfrom
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