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ID:56915609
大小:1.56 MB
页数:17页
时间:2020-07-23
《高中英语_unit2《cloning》课件warming_up _reading_新人教版选修8[1] 3.doc》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、幻灯片1Period1Warmingup&Reading幻灯片2AstrawberryplantTheplantproducesitsownrunners.幻灯片3AstemTakecuttingsfromgrowingplantstomakenewones.幻灯片4Theyareidenticalinsexandappearance,whoareproducedfromthesameoriginalegg.幻灯片5DollythesheepdifferentfromShewasc______whiletheotherswerebornnaturally.Itistheexactc
2、opyofanothersheepandthefirstclonedmammal.loned幻灯片6ItsnameisAndi,thefirstgeneticallymodifiedmonkey.幻灯片7DogSnuppywascreatedbyKoreanandAmericanscientists幻灯片8Cloningisawayofmakinganexact_____ofanotheranimalorplant.Whatis Cloning?copy幻灯片9Clone,alsocalledreproduceasexually(无性生殖/繁殖),isthecreationofce
3、llsorwholeanimalsusingDNAfromasingle“parent”,withoutusingthenormalreproductive(有性生殖)process.TheclonehastheexactlysameDNAtotheparent.Itincludesnaturalandman-madeclone.幻灯片10PredictionWhatdoyouthinkthearticleisaboutbyreadingthisheadline?幻灯片11Whatisthemainideaofthepassage?Thepassagetellsusthatanim
4、alcloningraised__________andscientistsarenotsureaboutits______.argumentsfuturelWhatisthewritingstyle?lExpositive(说明文)lDescriptive(记叙文)lC.Argumentative(议论文)幻灯片12Skimming___.Cloninghastwomajorusesandsuccessfulclone.___.Cloningisawayofmakinganexactcopyofanotheranimalandplant(definition)___.Theeff
5、ectofDolly.___.Itisforbiddentoclonehumanbeings.___.TheproblemsofDolly.21453幻灯片13makinganexactcopyDefinition2majorusesofcloningCloningprocedureThefirstsuccessfulanimalcloneItisawayof__________________ofanotheranimalandplant.1)toproduce___________quantitiesofplants.2)Itisvaluableforresearchonnew
6、______________andmedicalresearchon________.Cloningplants______________whilecloningofanimalsis___________Thecloningof_______________,a_____________incloningtech.commercialplantsspeciesanimalsstraightforwardcomplicatedDollythesheepbreakthrough幻灯片14ProcedureofCloningaSheep幻灯片15Trueoffalse:lFourfe
7、malesheepparticipateinthecloningofanewsheep.lElectricityisneededintheprocedure.lSheepBprovidesasomaticcellfortheclone.lThelambistheexactcopyofsheepA.FTTF幻灯片16WhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?A.Cloningiss
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