新人教版选修八Unit2-Using-Language课件教学文案.ppt

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1、新人教版选修八Unit2-Using-Language课件Pleaseenjoysomepicturesaboutdinosaurs.霸王龙tyrannosaurus剑龙stegosaurs角龙ceratopsids雷龙brontosaurus翼龙pterodactyl2.Doyoulikedinosaurs?Canyouseetheminourreallife?Why?Warmingup(4ms)3.Doyouthinkitispossibletoclonedinosaurs?Ifnot,wh

2、y?Ifyes,doyouthinkthat’sgoodforhumanbeings?Why?Warmingup(4ms)Readthetext,thentellthefollowingsentencesaretrueorfalse.(Studentscandiscussinpairs.)Scientistsarestillexperimentingwithcloningmammalsbecausetheythinkitcanmakemoney.Theanimalsthathavedisappe

3、aredfromtheearth,likedinosaurs,canbebroughtbacktolifethroughcloning.Ifwecancloneanyextinctanimals,weshouldletthemliveinazoo.FFFReading--Iscanning(5ms)Thewriterofthetext_____A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatexti

4、nctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearth主旨大意2.ThefilmJurassicParkispopularbecause_____.A.peopleareinterestedinthesubjectofcloningB.alltheactorsar

5、edinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinteresting细枝末节A3.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheepwasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.4.Th

6、ereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.theirarrangementofgenescannotresistthatnewdisease5.Wecaninfe

7、rfromthetextthat____A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000year推理判断Givesomereasonswhyitiseitherimpossibleorunsuitabletocloneextinctanima

8、lsReason1:Reason2:Reason3:YouneedperfectDNTThereisnotenoughdiversityforclonedanimalstoovercomenewdiseases.Itwouldbeunfairtocloneanyextinctanimalsiftheywouldhavetoliveinazoo.AdvantageofdiversityDisadvantageofdiversityDiversityinagroupofclonedanimalsIf