Unit2CloningWarmingupandReading课件高中英语人教版选修八

WarmingupandreadingBOOK8UNIT2CloningWhatdoes“repet”meanintheclip?“Repeting”cancopyyourpetsbecauseitusesanamazingtechnologycalled___________.cloningDollythesheepGrowingnewplantsTwinsAstrawberryplantLookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-madeclones.NaturalclonesMan-madeclonesoccursinnaturewithouthumanhelp

isproducedthroughhumanintervention(介入)clonedcowsclonedpigthenormalpigcloneddogsMan-madecloningasatechnologyisanewtopicforus.Clonedhuman......ReadingCloning:Whereisitleadingus?UsesandprocedureofcloningProblemsandimpactofDollyPart1Part2Part3Part4

StructurePeople’sreactions

tocloningDefinitionofcloningPara.1Para.2Para.3Para.4Para.5Dividethetextinto4partsandchoosethemainideabelowforeachpart.FastreadingWhatiscloning?12Cloningisawayofmakinganexactcopyofanotheranimalorplant.Para1

DefinitionofcloningWhendoesthenaturalcloninghappen?inplantswhengardenerstakecuttingsfromgrowingplantstomakenewones.2)inanimalswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginalegg.Whatarethetwomajorusesofcloning?2.Whichoneisdifficulttoundertake?

A.Cloningplants.B.cloninganimals.2

...isstraightforwardwhile...complicated.1.toproducecommercialquantitiesofplants.2.researchonnewplantspeciesandformedicalresearchonanimals.1Para2

TheusesandproceduresofcloningHavescientistssucceededindevelopingclonedanimals?Theprocedure(程序)ofcloningDollynucleusTheclonedlamblooksthesamewithA?B?C?eggcell卵细胞somaticcell体细胞embryo胚胎carrier代孕母羊clonedlambeggcellwithoutnucleusjoinedPara3&4TheproblemsandimpactofDolly1.Whatare“thesamearbitrary(任意的)fate（命运）”ofmanyclonedanimals？

A.Theymaydeveloptheillnessesofolderanimals.B.Theymaydieyoungerthanthedoners(提供者).C.Theydevelopnormally.

2.WhataretheinfluencesofDolly’sappearance（问世）?

A.Alargenumberofpeopledisagreeoncloninganimals.B.The

Mediarushedtoreportthedevelopmentofcloning.C.Peoplebegantoimagineusingcloningtocureseriousillnessesandtoproducehumanbeings.astormofobjectionshadagreatimpactonthemediaand......openedeverybody’seyestothepossibilityofusingcloningtocureseriousillnessesandeventoproducehumanbeings.Evilleaders____________________Religiousleaders___________________Governments____________________Somecountries___________________China

_____________________________________________________ambitiouspositivenervousandconservativemoralnegativePart4(para.5)Para5

People’sreactionstocloningPart4(para.5)DiscussionWhatistheauthor’sattitudetowardscloning?A.positiveB.negativeC.objectiveDsubjectiveWhydoyouthinkso?conversialissueAdvantagesdisadvantagesPairwork:FillinthechartusingtheinformationfromthepassageDisadvantagesofcloningAdvantagesofcloningAnimalclonesmaydevelopthe__________ofolderanimals.Religiousleadersraised_____________________.illnessesAnimalclonesmaydieyoungerthanthe___________________.Evilleaders

maywanttoclonethemselvesto_________________.Medicalcloningmaycure

________________inhumans.Gardenersusecloningtoproduce____________quantitiesofplants.Cloningplantscanbeusefulforresearchonnew______________.Cloningcanhelpsaveendangeredanimals.originalanimalsmoralquestionsseriousillnessescommercialplantspeciesattaintheirambitionsThankyou!Argumentative

Writing

议论文Summary:Whereiscloningleadingus?

谋篇布局第一部分：第二部分：第三部分：引入辩论话题；列举正方观点及其理由；列举反方观点及其理由；表明自己的观点。

Today,ourclassmateshaveaheateddiscussionon“Whereiscloningleadingus?”Studentshavedifferentattitudestowardsthisissue.Differentstudentshavedifferentopinions.Somestudentsagreethatcloningisbeneficialandisleadingustoabetterworld.Ontheonehand,cloningmayhelpmedicalsciencetoproducecuresforseriousillnesses.Ontheotherhand,bycloningpeoplecansavetheanimalswhichareendangered.However,theotherstakeanoppositeside.TheythinkclonedAnimalmaydeveloptheillnessesofolderanimalsanddieyoungerthantheoriginalanimal.Inaddition