高中英语 Unit 2《Cloning》Reading课件 新人教版选修8.ppt

英语 unit2 cloning reading课件 人教版选修8 cloning reading naturalcloneisonethatoccursinanaturalformofcloningwithouthumanhelp man madecloneisonethatproducedthroughhumanintervention 介入 inpairs lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman made explainhowtheydiffer discussion astrawberryplant naturalclone growingnewplants man madeclone twins naturalclone dollythesheep shewasclonedwhiletheotherswerebornnaturally dollywasa sheep cloned howdoesdollydifferfromothersheep man madeclone reading listentothetapeandfindoutthemainideaofeachparagraph cloningisawayofmakinganexactcopyofanotheranimalandplant whatiscloning ithappensbothin andin theycanbeclonedby and plants animals themselves humans naturalclone man madeclone para1 thedefinitionofcloning 1 howmanymajorusesdocloninghave firstly commercial secondly research 2 whenwasthecloningofdollythesheepborn para2 1996 themajorusesandproceduresofcloning atfirst thefactthatdollydeveloped inanaturalwaywas later thenews shelivedforsixyears halfthelengthofthelifeofthe onewas finally theproblemthatoccurredtothescientistswasthataclonedanimallives theoriginalone para3 theproblemsofdolly normally encouraging orginal that aslongas shorterthan longerthan disturbing shorterthan theword controversial inpara4probablymeans a complicatedb arguablec important para4 theimpactofdolly trueorfalse 1peoplefearedthatclonedhitlerswoulddoharmtotheworld 2alltheresearchintohumanbeingswillbeforbidden 3somecountrieswillusecloninginawiseway para5 people sreactiontocloning manygovernmentsforbadereserchintohumanbeings theauthordoesnotstateanypersonalopinionaboutcloning a objective befair b negative beagainstit c positive beinfavorofit thewriter sattitudetowardscloning because intensivereading fillinthechartonpage12usingtheinformationfromthetext whichiseasiertoclone plantoranimal becausecloningplantsisstraightforward butthecloningofanimalsisverycomplicated discussion homework 1 translatetheprocedureofcloningdollythesheepintochinese 2 finishex 1 2 3 page12 1996cloningsheeps 2001cloningcattle 我国成功繁殖克隆兔体形要比普通兔大许多 2002年5月中旬成功地繁殖了一只胚胎细胞克隆兔 2002cloningcats 第一只克隆宠物猫 克隆马及其 母亲兼姐姐 2002年4月十六日美国第一头克隆牛 艾米 产下牛犊喜作妈咪 2005cloningdogs 克隆的荧光小猪 左 和正常小猪 右 astrawberryplant thenewplantsthatgrowfromtherunnersareexactcopiesoftheoriginalplant 一株草莓依靠它沿地 爬走 的匍匐茎 一年内就能长出数百株草莓苗 富贵竹插枝即活 t