高中英语-Unit2 Cloning教学课件设计

No.8televisionNo.7artificialsatelliteNo.6aspirinNo.5airplaneNo.4personalcomputerNo.3mobilephoneNo.2InternetNo.1cloningCloningisawayofmakinganexactcopyofanotheranimalandplant.Whatiscloning?Whatisfamousinthecloningfield?Doyouknowhowwasshecloned?产出有核卵细胞无核卵细胞体细胞取出细胞核用电融合细胞代孕母羊细胞分裂形成胚胎HowtoproduceasheepAfemalesheepprovidesaneggcell.Thenucleusisremovedfromtheeggcell.CloningprocedureStep1Asecondfemalesheepprovidesasomaticcell.Thenucleusisalsotakenout.CloningprocedureStep2TheeggcellfromsheepAandthenucleusfromsheepBarejoinedtogetherusingelectricity.CloningprocedureStep3Thecombinedcelldividesandgrowsintoanembryo.CloningprocedureStep4TheembryoisthenputintofemalesheepC.FinallyasheepDiscloned.CloningprocedureStep5sheep,goats,oxen,mice,pigs,cats,rabbitsandsoon.Whatanimalshavebeencloned?

Canyoupredictthefutureofcloning?Whatwillisitleadingus?Unit2Cloning:WhereIsItLeadingUs?ReadingStrategiesThebetterwaytogetthemainideais:A:Readthepassagesentencebysentenceandstudythemeaningofindividualwordsorsentenceifnecessary.B:Trytolocateatopicsentenceinthefirst,thelastorsometimesinthemiddleparagraph.scanskim1.Themainideaofthetextis____.A.animalcloningisveryvaluableandcanbenefittheworldB.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbiddenC.animalcloningiswelldevelopedbecauseDollythesheepwasbornD.animalcloningraisedargumentsandscientistsarenotsureaboutitsfutureSkimtogetthemainidea主旨大意Cloninghappensbothin______andin_______.

plantsanimalsCarefulreading细枝末节Para1ThedefinitionofCloningCloninghasalwaysbeenwithusand____________.isheretostay1.Theword“straightforward”means______.uncomplicatedhonestfrankdifficultPara2Thetwomajorusesofcloningandtheprocedure2.ThecloningofDollythesheepsucceededbecause____.

A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed3.ThelambisthecloneofthecellfromsheepBbecause.A.itprovidestheeggcell

B.itgivesbirthtothelamb

C.itprovidesthenucleus

D.itisafemalesheepAtfirst,

thefactthatDollyseemedtodeveloped________was__________Then,camethenewsthatDollybecame___________.AltogetherDollylived__________________,halfthelengthofthelifeof_______________.Para3TheproblemsofDollynormallyencouragingtheoriginalsheepseriouslyillsixandahalfyearsThesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.13Para3（推理判断）Whenwecomeacrossquestionsthatrequireustoinfer,implyorconcludefromthepassage,rememberto:____________A.inferunknownfactsfromknownfactsB.usethedirectinformationfromthetextTheword“controversial”inparagraph4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyOntheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.翻译长难句另一方面，多利羊的出现引起了一阵强烈的反对，对媒体和公众的想象力也产生了极大的影响。1PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountriestoaccumulate

evidenceoftheabundantmedicalaidthatcloningcouldprovide.Para5People’sreactiontocloningManygovernmentsforbaderesearchintohumancloning.Trueorfalsetheauthordoesnotstateanypersonalopinionaboutcloning.A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sreactionorattitudetowardscloningBecause_________________________________________________________________DiscussionIscloninggoodorbadforus?advantagesdisadvantageshelpsaveendangeredanimalsEvilleadersmaywanttoclonethemselvesproducecommercialquantitiesofplantClonedanimalslivesshorterthantheoriginalones.…….………….……Asacoinhastwosides,everythinghastwoaspects.Ononehand,……..Ontheotherhand,……Therefore,weshouldusecloninginacorrectway.Youcanbeginlikethis:

Cloningisawayof_______anexactcopyofanotheranimalorplant.Cloninghastwo______uses.Firstly,gardenersuseittoproduceplants.Secondly,itis________formedicalresearchonanimals.Cloningplantsisstraightforwardbutthecloningofanimalsismore________.Theprocedureisdifficultto_______.In1996,scientistssucceededin______Dollythesheep.ThencamethedisturbingnewsthatDollywasill.________Dollylivedforsixyearsandahalf,Dolly’sappearanceraisedastormof________.Governmentbecamenervousandmany_________researchintohumancloning.Scientistsstill_______whethercloningwillhelporharmusandwhereitisleadingus.makingmajor

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