选修8第二单元Using-Language

Unit2CloningUsingLanguageThereturnofDinosaurs霸王龙tyrannosaurus剑龙stegosaurs雷龙brontosaurus翼龙pterodactylLookatthefollowingpicturesandthinkwhichfilmtheyarefrom.1.HaveyoueverseenthefilmJurassicPark?Whydopeoplelikethisfilm?Whatanimalsdoyouseeinthefilm?Aretheyreal?2.Doyoulikedinosaurs?Canyouseetheminourreallife?Why?3.Doyouthinkitispossibletoclonedinosaurs?Ifnot,why?Ifyes,doyouthinkthat’sgoodforhumanbeings?Why?Arrangeaccordingtotime.5.researchusingtheembryosofmice4.firstexperimentalclonesofcows8.firstexperimentalclonesofmice7.workontheembryosofsheepandmice2.China’sfirstclonedtwincalves3.cloningoffrogs6.firstcloneofamammal1.cowgavebirthtoabison357846121.Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.2.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.3.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFFTrueorFalse1.Thewriterofthetext_____.A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthChoosethebestanswer.C2.ThefilmJurassicParkispopularbecause_______.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingA3.Whichofthefollowingistrue?A.Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”.D.Chinawassuccessfulincloningmammals.D4.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdiseaseC5.Wecaninferfromthetextthat____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearsBReadthetextandanswerthequestions.1.Whyshouldn’tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.2.Whyisitwrongtocloneanextinctanimalifitwouldliveinazoo?Itisnotagoodideatocloneananimalthatwouldliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.3.Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan’tsurvivesolong.Givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:Reason2:Reason3:YouneedperfectDNA.Thereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.AdvantageofdiversityDisadvantageofdiversityDiversityinagroupofclonedanimalsIfthereisanewillness,someoftheseanimalsmaydie,butotherswillsurviveandpassedontheabilitytoresistthatdiseasetotheirchildren.Theywouldallhavethesamearrangementofgenesandsotheymightalldieofthesamedisease.PeopleinterestedinNotonlyfilmmakersbutalso_________________.________foritsimpossibility•PerfectDNAisneeded.•Thereisnotenough________inthegroup.•A(n)______________wouldbeneededfortheclonedextinctanimals.ordinarypeopleReasonsdiversitysuitablehabitat__________Thechanceofdinosaursreturningtotheearthis______________.ConclusionmerelyadreamCarefulReadingChoosesynonyms1.Itproveshowtheideastruckamixtureoffearandexcitementintopeople’shearts.A.HaveonthebrainB.ConfusedC.DrovedpeoplecrazyD.Scared2.Fromtimetotimepeoplesuggestthatextinctanimals…A.TherewasatimewhenB.OccasionallyC.AllthetimeD.EachtimeAB3.Peoplesuggestthatdinosaurs,canpossiblybebroughtbacktolife.A.KeptupB.resistC.liveonD.relived4.TheinitialrequirementisthatyouneedperfectDNA.A.MostthankfulB.mostpressingC.mostdifficultD.mostneededDD5.Alleffortsofcloningananimalwillbeinvainifthereisnotenoughdiversity.A.gotowasteB.uselessC.helplessD.meaningless6.Otherswillpassontheabilitytoresistthatdisease.A.opposeB.slideC.hireD.indicateBA7.Thechanceofdinosaurseverreturningtotheearthismerelyadream.A.onlyB.surelyC.abruptlyD.miserablyA1.ThepopularityofthefilmJurassicPark,inwhichascientistclonesseveraldifferentkindsofextinctdinosaurs,proveshowtheideastruckamixtureoffearandexcitementintopeople’sheart.电影侏罗纪公园的受欢迎证实了普通人对这一话题是多么感兴趣,在该电影中一位科学家克隆了几种不同的绝种恐龙。本句是一个复合句,inwhich引导非限制性定语从句,修饰“thefilm”;how引导宾语从句,作prove的宾语。LanguagePointsManypeoplewhohadseenthefilmwereafraidtogototheforestwhentheyrememberedthescenes_____peoplewereeatenbythetiger.(05,广东)A.inwhichB.bywhichC.whichD.that解析:答案A。题意为“很多看过这部电影的人,当回想到人被老虎吃掉的情景时,就不敢去森林了”。本题考查“介词+关系代词”引导的定语从句。“peoplewereeatenbythetiger”是定语从句,先行词thescenes在定语从句中作地点状语,表示“在这种场景中”所以选A。Apopularadj.popularityn.strikev.打;撞击;罢工strike…intoone’sheart使……刻骨铭心Hestruckaknifeintothetraitor’sheart.他将刀戳入卖国贼的心脏。2.Do/make/carryout/performanexperimenton/in/with…做……实验，对……做实验3.fromtimetotime有时；偶尔；时常4.bringbacktolife使复生区别:bringbacktolife与cometolifebringbacktolife是从某个事情中,给唤回到现实生活中,比如,从睡梦中醒来,有点恍然大悟的意思,或者是从生死关头逃离出来幸好得以保