高中英语Unit2《Cloning》课件_Warmingup&Reading新[人教版]选修8

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1、Unit2CloningPeriod1Warmingup&ReadingWhatwillyouthinkof?cure...DollytwinsthesamegenecloningAstrawberryplantTheplantproducesitsownrunners.AstemTakecuttingsfromgrowingplantstomakenewones.Theyareidenticalinsexandappearance,whoareproducedfromthesameoriginalegg.Shewasc______whiletheotherswerebornnatura

2、lly.Itistheexactcopyofanothersheepandthefirstclonedmammal.differentfromlonedDollythesheepItsnameisAndi,thefirstgeneticallymodifiedmonkey.DogSnuppywascreatedbyKoreanandAmericanscientistsCloningisawayofmakinganexact_____ofanotheranimalorplant.WhatisCloning?copyWhatisthedifferenceamongthem?Naturalcl

3、oneMan-madeclonecloneClone,alsocalledreproduceasexually(无性生殖/繁殖),isthecreationofcellsorwholeanimalsusingDNAfromasingle“parent”,withoutusingthenormalreproductive(有性生殖)process.TheclonehastheexactlysameDNAtotheparent.Itincludesnaturalandman-madeclone.What'sclone?PredictionWhatdoyouthinkthearticleisa

4、boutbyreadingthisheadline?CLONING:WHEREISITLEADINGUS?Whatisthemainideaofthepassage?Thepassagetellsusthatanimalcloningraised__________andscientistsarenotsureaboutits______.argumentsfutureWhatisthewritingstyle?Expositive(说明文)Descriptive（记叙文）C.Argumentative（议论文）Skimming___.Cloninghastwomajorusesands

5、uccessfulclone.___.Cloningisawayofmakinganexactcopyofanotheranimalandplant(definition)___.TheeffectofDolly.___.Itisforbiddentoclonehumanbeings.___.TheproblemsofDolly.12345Definition2majorusesofcloningCloningprocedureThefirstsuccessfulanimalcloneItisawayof__________________ofanotheranimalandplant.

6、1)toproduce___________quantitiesofplants.2)Itisvaluableforresearchonnew______________andmedicalresearchon________.Cloningplants______________whilecloningofanimalsis___________Thecloningof_______________,a_____________incloningtech.makinganexactcopycommercialstraightforwardbreakthroughplantsspecie

7、sanimalsDollythesheepcomplicatedTrueoffalse:Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.TFTFWhichofthefollowin