中国第二十冶金建设公司综合学校高中分校高中英语：八2单元练习题

学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精高二英语Class______Name_________2017/6/6序号：44UnitBook8unit2Teachingperiod5TopicCloningstyle单元测试AimsPractisethestudents’readingcomprehension第一节：单词拼写1。Thebrothersd_____widelyintheirtastes.2.Thequestionisquites_________,whilethatoneismuchmorecomplicated.3.Sher_______fromthecompetitionafterpullingalegmuscle。4。Smokingisf_____inpublicplaces.5.Hissuggestionsoundsquiter_________tomostofus。6.Thefilmwasa_____(商业的）success.7。I'dliketocome，too，ifyouhaveno_____(反对）。8.He______（仅仅）askedusournames.9。Therewerestrong______(争论)forandagainsttheplan.10.Healwaysmanagedto______（得到)whathewanted.第二节:完形填空WhenIwokenextmorning,Iwasdyingof_36__。Iseemedtohaveaholeinsteadofa_37__.Idressedquicklyandhurrieddowntothedinning-room.ItwasabigroomwithsixtallwindowsandtheugliestwallpaperIhadeverseen！_38_,Ihadbeentoldthehotelwasnotbeautifulbutthatyouwerebetter__39__therethaninanyotherhotel;andthatwas_40__Iwantedjustthen.Thewaitercamehurryingup。BeforeIcamedownstairsIhadprepared__41__carefullyforwhatImust__42_。Ihadlookedthreetimesinmydictionarytomakesure__43__“breakfast”reallymeant“breakfast”。Ihadtriedtogettheright_44_andIhadstoodinthefrontofamirrorandtwistedmymouthuntilitached.Thewaiteraskedme_45__Icouldnotunderstand，butIspokeonlymyonepreparedword“breakfast”.Helookedatmeina_46way。soIrepeatedit。Stillhedidnotunderstand.Itwas_47_thatEnglishpeopledidn’tunderstandtheirlanguage。.Thewaiter_48__hisheadandwentaway,buthecamebackinaminuteandbroughtatraywithtea,breadandbutter-——enoughtofeedasmallarmy-—-andwentaway。ButIwashungry,andIleft__49__.WhenthewaitercamebackIthoughthisfaceshowedalittle__50__，butyoucannever__51_.Whatawaiter’sfacereallyshows。Inanotherminutehebrought_52__traywithsomebacon(熏肉)andsomeeggs。He_53_havemisunderstoodme，butIthoughtitwasnouseexplainingtopeoplewhodon'tunderstandtheirownlanguage,soIjustsettoworkonthebaconandeggs,wonderingwhetherIcouldpossiblyclearthatplate。Well，Ifinishedthebaconandeggs。Igotupandmademywayslowlytomyroom—atleastfivepound__54_.Ineverbelieveduntilthenthatanymealcould_55__me,butonthatdayImetmyWaterloo（滑铁卢)。36.Ahunger B.cold C..anger D.illness37。A。stone B。head C。breast D。stomach38.A.Therefore B。Otherwise C。So D。However39.A.received B。fed C。cared D。eating40。A。just B.what C。that D.why41。A。English B。meal C。questions D。myself42。A。speakB.answer C.say D。explain43。A.that B。about C。of D.to44。A。pronunciation B。meaning C。form D。spelling45。A。whetherB。something C。when D.what46。A.surprised B。friendly C.puzzled D.touched47.A.unbelievableB.true C。thought D.apity48。Awaved B。shook C.bowed D.patted49。A.muchB.alittle C。nothing D.empty50.A。pleasureB。surprise C.pride D。satisfaction51。A.tell B。guess C.design D。express52.A。other B。another C.more D。me53.A。should B。might C.would D.must54。A。lighterB.heavier C。weightier D。more55.A。hurt B.fat C。defeat D.please第三节：阅读理解AHaveyouseenJurassicButcouldwereallycloneendangeredanimals？

Todate,themostsuccessfulattempttodosowasthecloningofagaur,arareox-likeanimalfromsoutheastAsia。Scientistsusedacowtobringtheclonedbabygaur,namedNoah.Twodaysafterbirth,however,Noahdiedfromacommonbacterialinfection。OtherendangeredspeciesthatmaybeclonedincludetheAfricanbongoantelope（邦戈羚羊）,theSumatrantiger,thecheetah（猎豹）,andthegiantpanda。Next,couldwereallycloneextinctanimals?Intheory?Yes.Todothis，youneedawell-keptsourceofDNAfromtheextinctanimalssuchaswoolmammoth（毛象），Tasmaniantiger，orevendinosaur,andacloselyrelatedspecies,stillliving，whichcouldserveasasurrogatemother。Inreality?Probablynot。Ontheonehand,it’snotlikelythatextinctanimals’DNAcouldsurviveundamagedforsuchalongtime。Cloningextinctanimalsaswoolmammoth，Tasmaniantiger,ordinosaurismuchmoredifficultduetothelackofproperlywell-preservedDNA.Ontheotherhand,forexample,agaurcanhaveacowasasurrogatemother，definitelynotamonkey.Butwhataboutanextinctanimalsasuniqueasthepanda？Whatspeciescouldpossiblyserveasasurrogatemother?

Cloningpresentsmanyexcitingpossibilities.However,evenifextinctanimalsarebroughtback，theycouldnotsurviveintoday’sworld.Notonlydomostextinctanimalshavenohabitattolovein,buttheotherplantsandanimalstheydependedonforfoodmayalsobegoneaswell。1。Itcanbelearnedfromthetextthat________.A.scientistshaveclonedtheAfricanbongoantelopeB.boththecheetahandthegiantpandaliveinAsiaC。thegaurlivesinAsiaandisendangeredD.thegaurisanextinctspecies2.Theunderlinedwords“asurrogatemother”probablyrefertoafemalewho______。A.contributesitseggstoanotherfemaleB.givesbirthtoababyforanotherfemaleC。givesbirthtoababyofitsownD。cannotgivebirthtoababy3.Thedifficultyincloninganextinctspeciesisthelackof______。A.boththewell-preservedDNAandplantstoliveonB。boththehabitattoliveinandthewell-preservedDNAC。bothhabitattoliveinandplantstoliveonD.boththewell-preservedDNAandasurrogatemother4.Intheauthor’sopinion,itispossiblethat______.A。someextinctspeciesmaybecloned，butnotsurviveB.extinctspeciesmaybeclonedandeasilysurviveC.agaurcanhaveamonkeyasasurrogatemotherD。alltheextinctspeciesmaybeclonedBResearchadvancesoverthepastdecadehavetoldusthat，withalittlework,wehumanscanclonejustaboutanythingwewant，fromfrogstomonkeysandprobablyevenourselves！So，wecanclonethings，butwhywouldwewantto?Ofallthereasons，cloningformedicalpurposesmostprobablybenefitlargenumbersofpeople.Howmightcloningbeusedinmedicine?

1.CloninganimalmodelsofdiseaseMuchofwhatresearcherslearnabouthumandiseasecomesfromstudyinganimalmodelssuchasmice.Often,animalmodelsaregeneticallyengineeredtocarrydisease—causingmutations(变异）intheirgenes.Creatingthesetransgenic(转基因的）animalsisaprocessthatrequirestrial—and-erroandseveralgenerationsofbreeding（培育)。Cloningtechnologiesmightreducethetimeneededtomakeatransgenicanimalmodel，andtheresultwouldbeapopulationofgeneticallyidenticalanimalsforstudy。2。Cloningstemcells（干细胞）forthetreatmentofdiseasesStemcellsarethebody’sbuildingblocks,responsiblefordevelopingandrepairingthebodythroughoutlife.Asaresult,theymightbeusedtorepairdamagedordiseasedorgansandtissues。Researchersarecurrentlylookingupcloningasawaytocreatecertainhumanstemcellsforthetreatmentofdiseases.3。CloningfarmanimalsfordrugproductionFarmanimalssuchcows，sheepandgoatsarecurrentlybeinggeneticallyengineeredtoproducedrugsorproteinsthatareusefulinmedicine。Justlikecreatinganimalmodelsofdisease，cloningmightbeafasterwaytoproducelargenumbersofgeneticallyengineeredanimals。5.FromPurposeOne，wecaninferthat______.A。mosttransgenicanimalsareclonedB。mostanimalscarryengineeredgenesC.mosttransgenicanimalmodelsarenotclonedD.mostanimalscarrydisease—causingmutationsintheirgenes6.ItcanbelearnedfromProposeTwothatcloningtechnologiescanbemainlyusedto_____.A.createdamagedordiseasedorgansandtissuesB。clonegeneticallydefinedhumanstemcellsC。developandmaintainthebodyD。repairthebodythroughout