高中英语 Unit 2《Cloning》同步练习4 新人教版选修8Word格式文档下载.docx
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高中英语 Unit 2《Cloning》同步练习4 新人教版选修8Word格式文档下载.docx
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A.brokenB.castC.cutD.discouraged
5.______whatwehavenow,wecan’taffordsolargeahouse.
A.InB.AtC.WithD.Near
6.Openingthebook,shefoundinitawhite,plainenvelopewithhername______onit.
A.toprintB.printedC.printingD.print
7.Seeingyourpicture,Icouldn’tresist_____thedays_____wespenttogether.
A.tothinkof;
whenB.tothinkof;
which
C.thinkingof;
whichD.thinkingof;
when
8.AreyousuggestingthatI_____toooldforthejob?
A.amB.shouldbeC.beD.was
9.Hishardworkpaid____whenhegottheresult.
A.offB.overC.outD.back
10.Heisacutler(刀具商)--_____,amanwhosellsknivesandsharptools.
A.inconclusionB.ingeneralC.what’smoreD.thatistosay
11.Oneofthemenheldtheview____thebooksaidwasright.
A.whatthat
B.whatC.that
D.that
what
12.Wethoughtofaskinghimforhelp,butwewere______togetintouchwithhimatthattime.
A.happyB.anxiousC.easyD.unable
13.He’s_______tofailtheexamifhedoesn’tdoanyrevision.
A.nearB.fitC.boundD.easy
14.Everypossiblemeans_______topreventtheairpollution,buttheskyisstillnotclear.
A.arebeingusedB.havebeenused
C.hasbeenusedD.hadbeenused
15.----Catherine,Ihavecleanedtheroomforyou.
-----Thanks,you__________it.Icouldmanageitmyself.
A.needn’tdoB.needn’thavedone
C.mustn’tdoD.shouldn’thavedone
II.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.
III.完形填空
Inthepast,scientistshaveproducedexactgeneticcopiesofsheepandafewotheranimals.They1theseclonesfromasinglecellofanadultanimal.
Recently,aprivategroupofscientistshasannounced2tomakeanexactcopyofahumanbeing.DoctorZavos,anAmericanmemberoftheteam,saysheand3willsoonbegintoclonehumansandtheyhopetoproducetheworld’sforstcloned4withinthenexttwoyears.
DoctorZavossaysthenew5groupplanstoofferhumancloningtowomenunabletobecome6andproducechildren.The7wouldbesimilartothatusedtocloneanimals.Itwould8clearinggeneticmaterialfromawoman’segg.Doctorsthenwould9geneticmaterialfromthewoman’shusbandintotheegg10puttingitinthewomen’suterus(子宫).
DoctorZavossayshis11planstodoitsworkinacountryneartheMediterraneanSea,buthedidnot12thecountry.HedaysanItalianreproductiveexpert,SeverinoAntinori,is13theteam.DoctorAntinorihasmade14effortstohelpmanyolderwomenbecomepregnant.Heisknownfor15pregnanciesinwomenasoldassixty.
Manymedicalexpertsandothergroups16theideaofcloninghumans.Severaldoctorscriticizedthe17byDoctorZavos.Theysaydoctorsdonotknowifcloninghumansis18orsafe.Theysayitwouldbeirresponsibleto19tocloneahumanbeing.Thatisbecausethe20ofsuccessaretoosmallandtherisksaretoogreat.
1.A.boughtB.createdC.discoveredD.found
2.A.plansB.resultsC.successesD.agreements
3.A.anotherB.othesC.theotherD.theothers
4.A.plantB.animalC.birdD.baby
5.A.internationalB.nationalC.AmericanD.Italian
6.A.successfulB.bornC.pregnantD.fertile
7.A.imaginationB.technologyC.storyD.symbol
8.A.involveB.startC.makeD.borrow
9.A.translateB.placeC.takeD.make
10.A.afterB.whileC.beforeD.on
11.A.countryB.groupC.universityD.company
12.A.callB.foundC.nameD.consider
13.A.managingB.runningC.controllingD.leading
14.A.highB.totalC.greatD.wide
15.A.successfulB.beautifulC.thankfulD.sorrowful
16.A.takeupB.objecttoC.putupD.bringdown
17.A.announcementB.programC.subjectD.idea
18.A.carefulB.interestingC.unableD.possible
19.A.manageB.refuseC.attemptD.hope
20.A.factsB.resultsC.sizesD.chances
IV.语法填空
仔细阅读下面的短文,短文中有10个空格,请按照短文意思填写相应的词,每空一词。
Someyearsago,SARSbrokeoutinthemainlandofChina,causingsomepeopletobekilledornearlygotcloseto1.Thesituationwassoseverethattherewasnotimetodebatewhoistoblame.Themost2(importance)thingforthegovernmenttodoistofindoutthecauseofthis3(dead)disease.Theyinvitedallthemostfamousexpertsinthisfieldtodiscussandquiteafewsuggestionswere4(put)forward.Someofthetopexpertspickedoutthosesuggestionsandtestedthemtoseewhethertheywere5(avail).DoctorZhongchoseonepatientwhowasseriouslyillandhadlittlehopeofpicking6andhadthenewmedicine7(test)onhim.Tohisgreatjoy,thispatientrecovered!
Hemadehisway8hisofficeandtelephonedtothetopofficial,9(tell)himthisexcitingnews.Forconvenience,hemovedtoliveinhisoffice.Hismethod10makesense.Notsoonafterthat,theotherhospitalsalsocontrolledthisterriblediseaseandkickeditoutfinally.
1.2.
3.4.
5.6.
7.8.
9._____________________10.____________________
V.阅读理解
A
HaveyouseenJurassicPark?
Inthisfilm,scientistsuseDNAkeptfortensofmillionsofyearstoclonedinosaurs.Theyfindtrouble,however,whentheyrealizethattheclonedcreaturesaresmarterandmoredangerousthanexpected.That’snothingmorethanafiction.
Butcouldwereallycloneendangeredanimals?
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.scientistshaveclonedtheAfricanbongoantelope
B.boththecheetahandthegiantpandaliveinAsia
C.thegaurlivesinAsiaandisendangered
D.thegaurisanextinctspecies
2.Theunderlinedwords“asurrogatemother”probablyrefertoafemalewho______.
A.contributesitseggstoanotherfemaleB.givesbirthtoababyforanotherfemale
C.givesbirthtoababyofitsownD.cannotgivebirthtoababy
3.Thedifficultyincloninganextinctspeciesisthelackof______.
A.boththewell-preservedDNAandplantstoliveon
B.boththehabitattoliveinandthewell-preservedDNA
C.bothhabitattoliveinandplantstoliveon
D.boththewell-preservedDNAandasurrogatemother
4.Intheauthor’sopinion,itispossiblethat______.
A.someextinctspeciesmaybecloned,butnotsurvive
B.extinctspeciesmaybeclonedandeasilysurvive
C.agaurcanhaveamonkeyasasurrogatemother
D.alltheextinctspeciesmaybecloned
B
Researchadvancesoverthepastdecadehavetoldusthat,withalittlework,wehumanscanclonejustaboutanythingwewant,fromfrogstomonkeysandprobablyevenourselves!
So,wecanclonethings,butwhywouldwewantto?
Ofallthereasons,cloningformedicalpurposesmostprobablybenefitlargenumbersofpeople.Howmightcloningbeusedinmedicine?
1.Cloninganimalmodelsofdisease
Muchofwhatresearcherslearnabouthumandiseasecomesfromstudyinganimalmodelssuchasmice.Often,animalmodelsaregeneticallyengineeredtocarrydisease-causingmutations(变异)intheirgenes.Creatingthesetransgenic(转基因的)animalsisaprocessthatrequirestrial-and-erroandseveralgenerationsofbreeding(培育).Cloningtechnologiesmightreducethetimeneededtomakeatransgenicanimalmodel,andtheresultwouldbeapopulationofgeneticallyidenticalanimalsforstudy.
2.Cloningstemcells(干细胞)forthetreatmentofdiseases
Stemcellsarethebody’sbuldingblocks,responsiblefordevelopingandrepairingthebo
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