高中英语_unit2《cloning》课件warming_up _reading_新人教版选修8[1] 3.doc

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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