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时间:2020-08-15
《人教版高中英语选修8-Unit-2《Cloning》(Using-language)课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、UsingLanguageWordspreviewresistmerelydecorationunablezebravt.抵抗;对抗adv.仅;只;不过n.装饰adj.不能的;不会的n.斑马argumentaloudreasonableobtainn.论据;论点;争论adv.大声地;出声地adj.合情理的;讲道理的;公道的vt.获得;得到WordspreviewExpressionspreviewfromtimetotimebringbacktolifepayoff不时;偶尔使复生取得好结果;取得成功;赔清克隆的进展蛙:1962年,未成功绵羊:1996年,多利(Dolly)猕猴
2、:2000年1月,Tetra,雌性猪:2000年3月,5只苏格兰PPL小猪牛:2001年,Alpha和Beta,雄性猫:2001年底,CopyCat(CC),雌性小鼠:2002年兔:2003年3-4月分别在法国和朝鲜独立地实现;骡:2003年5月,爱达荷Gem,雄性;6月,犹他先锋,雄性鹿:2003年,Dewey马:2003年,Prometea,雌性狗:2005年,韩国首尔大学,史纳比Pleaseenjoysomepicturesaboutdinosaurs.霸王龙剑龙stegosaurs角龙ceratopsids雷龙brontosaurus翼龙pterodactylReadi
3、ngTHERETURNOFTHEDINOSAURS?1.Thewriterofthetext_____A.isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningReadthepassageandthenchoosethecorrectanswerstothebelowquestions.C.thinksitimpossibleorunsuitabletocloneextinctanimalslikedi
4、nosaursD.dreamsofdinosaursreturningtotheearth2.ThefilmJurassicParkispopularbecause_____.peopleareinterestedinthesubjectofcloningB.alltheactorsaredinosaursC.itwasdirectedbyascientistwhoclonesdinosaursD.itprovesveryinteresting3.Whichofthefollowingistrue?____Micewereclonedin1981.B.Dollythesheep
5、wasthefirstclonedanimal.C.Thenameoftheclonedcowis“Bison”D.Chinawassuccessfulincloningmammals.4.ThereasonswhyagroupofclonedanimalsalldieofthesameillnessdoNOTinclude____.A.theyhavethesamearrangementofgenesB.thereisn’tenoughdiversityinthegroupforittoovercomeillnessesC.theillnessisanewoneD.their
6、arrangementofgenescannotresistthatnewdisease5.Wecaninferfromthetextthat____A.scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearReadthepassageagainandanswerthequestions.1.Whyshouldn'tyoucl
7、oneanextinctanimalunlessthereisenoughdiversityinthegroup?Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.2.Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?Itisnotagoodideatocloneananimalthatwouldhavetoliveinaz
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