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人教课标高二选修8Unit2Thetextismainlyaboutthe1.___________ofanimalcloningandthelifeofDollythesheep,aswellasthereasonswhycloningisstill2.___________________.controversial(保守）procedure(过程）Readthetextquicklyandcompleteitsmainidea.Readthroughthepassageandfindthemainideaofeachparagraph.Cloningisawayofmakinganexactcopyofanotheranimalandplant.Cloninghastwomajoruses.ThebirthanddeathofDolly.TheeffectofDolly.Itisforbiddentoclonehumanbeings.Para1.Para2.Para3.Para4.Para5.Choosethebestanswer.1.AsforthecloningprocedureofDollythesheep,allofthefollowingaretrueEXCEPT_______________.A.thelambisthecloneofthedonatedcellfromsheepBB.electricityisneededC.femalesheepBprovidesaneggcellD.threefemalesheepareusedC2.Fromthelastparagraphweknowthat______.A.cloningwillcometoanendbecauseofobjectionsB.clonedhumanbeingswillbeproducedinthenearfutureC.manycountrieswillusecloninginawisewayD.alltheresearchintohumancloningwillbeforbiddenC(1)Cloningmeansmakingacopyofananimaloraplant.(2)Gardenerscanmakealotofmoneybycloningplants.(3)Cloninganimalsisascomplicatedascloningplants.FTFWritetheletter“T”ifthestatementistrue.Write“F”ifitisfalse.TT(4)Dollythesheepwasthefirstsuccessfulcloneofamammal.(5)Naturalcloneshappeninanimalsaswellasinplants.Enjoysomepicturesaboutdinosaurs.Enjoysomepicturesaboutdinosaurs.暴龙tyrannosaurus剑龙stegosaurs角龙ceratopsids翼龙pterodactyl雷龙brontosaurusDoestheauthorbelievethedinosaurscanbecloned?Thewriterofthetext_________.A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearth1.ThefilmJurassicParkispopularbecause_____.A.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinterestingChoosethebestanswers.A2.Whichofthefollowingistrue?____A.Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.3.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdiseaseWecaninferfromthetextthat_____.A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearTrueorfalseaccordingtothetext.1.Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.2.Theanimalsthathavedisappearedfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.3.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFF