unit2-cloning--Using-language-公开课

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UsinglanguageThereturnofDinosaurs?霸王龙tyrannosaurus剑龙stegosaurs雷龙brontosaurus翼龙pterodactylLookatthefollowingpicturesandthinkwhichfilmtheyarefrom.1.Thewriterofthetext_____.A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearthChoosethebestanswer.C2.ThefilmJurassicParkispopularbecause_______.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingA3.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdiseaseC4.Wecaninferfromthetextthat____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearsBGivesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanimals.Reason1:Reason2:Reason3:YouneedperfectDNT.Thereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.AdvantageofdiversityDisadvantageofdiversityDiversityinagroupofclonedanimalsIfthereisanewillness,someoftheseanimalsmaydie,butotherswillsurviveandpassedontheabilitytoresistthatdiseasetotheirchildren.Theywouldallhavethesamearrangementofgenesandsotheymightalldieofthesamedisease.PeopleinterestedinNotonlyfilmmakersbutalso_________________.________foritsimpossibility•PerfectDNAisneeded.•Thereisnotenough________inthegroup.•A(n)______________wouldbeneededfortheclonedextinctanimals.ordinarypeopleReasonsdiversitysuitablehabitat__________Thechanceofdinosaursreturningtotheearthis______________.ConclusionmerelyadreamCarefulReadingChoosesynonyms1.Itproveshowtheideastruckamixtureoffearandexitmentintopeople’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.Alleffortsofcloingananimalwillbeinvainifthereisnotenoughdiversity.A.GotowastB.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。popularadj.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命之类;而cometolife指出生,有生以来。5.butotherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.1)passon…to…传递;留给Wouldyoupassitontothenextperson?把它传给下一个人好吗?2)resistvt.抵抗,反抗;抗拒Thenationwasunabletoresisttheinvasion.该国无力抵抗侵略。6.Basedonwhatweknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10,000years.就我们现在所知,你不可能克隆那些已经绝种了一万年以上的动物。Basedonwhatweknownow是过去分词短语作状语,其逻辑主语一般和句子的主语相一致。_____byagreaterdemandforvegetables,farmershavebuiltmoregreenhouses.(07,浙江)A.DrivenB.BeingdrivenC.TodriveD.Havingdriven解析:答案A。题意为“由于受到更大的蔬菜量需求的推动,农民修建了更多的温室”。根据by,应用被动,排除C和D。根据后边的完成时态,驱动力已经有了,不是正在推动,故选A。Fillintheblankswiththewordsgiven.1.Shewas___________byherhusband’sdeath.2.Myunclecomestohavedinnerwithus________________.3.Hehasbeenworkingsohardathislessons,sohe____________passtheexamthistime.4.Finallyhisefforts__________.5.Allofthemwerestrongly_____________theproject.castdownfromtimetotimecastdownpayoffinfavouroffromtimetotimebeboundtoisboundtopaidoffinfavourofIscloningcruel?ListenandseewhetheryouagreewithXiaoQingorRachel.1Readthesestatementsbeforelistening.Tickthosethatyouhear.□1.Cloningwillbringdeadpetstolife.□2.Therewere627experimentsbeforeDollywassuccessfullycloned.□3.Cloningmayhelpcureseriousillnesses.□4.It’sadeadend.□5.Dollythesheepwas“middle-aged”whenshewasborn.□6.Soyourgrandmotherwouldbeabletostartherlifealloveragainandlivemuchlonger.√√√√2Listentothetapeagainandthenfillinthechart.Mary’sideasaboutcloningcrueltoanimalsmakesthemdounnaturalthingsitisa“deadend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