高二英语_选选修8 Unit2 Cloning(Reading)课件

Welcometoourclass!ReadytohavefunlearningEnglish?Top10inventionsin20thcenturyatomicbombNo.10No.9spaceshuttleNo.8televisionNo.7artificialsatelliteNo.6aspirinNo.5airlinerNo.4personalcomputerNo.3mobilephoneNo.2internetNo.1cloning——warmingup&readingWhatdoyouthinkof?twinsthesamegenecloningDollycure…movieNaturalcloneorMan-madeclone？DollythesheepAstrawberryplantGrowingnewplantsTwinsisonethatoccursinnature.Anaturalcloneisonethatisproducedthroughhumanintervention.(人类介入）Aman-madecloneDollythesheepShewaswhiletheotherswereborn.Dollywasa______sheep.clonedHowdoesDollydifferfromothersheep?clonednaturallySkimthefollowingpassageandgetthemainideaofeachparagraph.Para1Para2Para3Para4Para5ReadingThedefinition（定义）ofcloningThetwomajorusesofcloningandtheprocedureTheproblemsofDollyTheeffectofcloninginsocietyTheattitudestowardscloningThepassagetellsusthatanimalcloningraisedandscientistsarenotsureaboutits.argumentsfutureWhat’sthewritingstyle?A.Expositive(说明性的)B.Argumentative（议论性的）C.Narrative（叙事性的）D.Descriptive（描写性的）★What’sthemainideaofthepassage?Cloninghappensbothin______andin_______.Theycanbeclonedby________and_______.plantsanimalsthemselveshumansNaturalcloneMan-madeclonePara1ThedefinitionofcloningTheword“straightforward”means______.A.uncomplicatedB.honestC.frankD.difficultPara2ThemajorusesandproceduresofcloningThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedThedeterminationandpatienceofthescientistspaidoff.(L9)Para2ThelambisthecloneofthecellfromsheepBbecause.A.itprovidestheeggcellB.itgivesbirthtothelambC.itprovidesthenucleusD.itisafemalesheepPara2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Howtoproduceasheep（我也来当科学家）Atfirst,thefactthatDollyseemedtodeveloped______was__________.Then,camethenewsthatDollybecame_________.AltogetherDollylived__________________,halfthelengthofthelifeof__________.Para3TheproblemsofDollynormallyencouragingtheoriginalsheepseriouslyillsixandahalfyearsRemovethedifficulties:（难不倒）ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.（分析句子结构）Para3TheproblemsofDollyThesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.13Problems:Clonedanimalsmaydevelopthe________ofolderanimals.Clonedanimalsmaylives__________thantheoriginalone.aslongas/shorterthan/longerthanillnessesshorterPara3Theword“controversial”inparagraph4probablymeans____________.A.complicatedB.arguableC.importantPara4TheimpactofDollyOntheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.Removethedifficulties:（Translation）Trueorfalse:1PeoplefearedthatClonedHitlerswoulddoharmtotheworld.2Alltheresearchintohumanbeingswillbeforbidden.3Somecountriestoaccumulateevidenceoftheabundantmedicalaidthatcloningcouldprovide.Para5People’sreactiontocloningManygovernmentsforbaderesearchintohumancloning.Readforinformation(It’syourturn)Readthepassagecarefullyandraiseyourquestionsingroups.Onegroupreadoneparagraphandraiseoneortwoquestionsaccordingtotheparagraph.(我也来当出题专家)Cloningisawayof_______anexactcopyofanotheranimalorplant.Cloninghastwo______uses.Firstly,gardenersuseittoproduceplants.Secondly,itis________formedicalresearchonanimals.Cloningplantsisstraightforwardbutthecloningofanimalsismore________.Theprocedureisdifficultto_______.In1996,scientistssucceededin______Dollythesheep.ThencamethedisturbingnewsthatDollywasill.________Dollylivedforsixyearsandahalf,Dolly’sappearanceraisedastormof________.Governmentbecamenervousandmany_________researchintohumancloning.Scientistsstill_______whethercloningwillhelporharmusandwhereitisleadingus.makingmajorvaluablecomplicatedundertakecloningAltogetherobjectionsforbadewonderSummaryDisadvantagesofcloningAdvantagesofcloningAnimalclonesmaydevelopofolderanimals.UseittoproduceofplantsAnimalclonesmaylivedthanthedonoranimals.Cloningcanbevaluablefor.leadersmaywanttoclonethemselves.Religiousleadersraised.Cloningcanhelpsaveendangeredanimals.Fillinthechartusingtheinformationfromthetext.theillnessesshorterEvilmoralquestionscommercialquantitiesCloningplantscanbevaluableforresearchonnewplantspecies.medicalresearchonanimalstheauthordoesnotstateanypersonalopinionaboutcloning.A.Objective(befair)B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________Iscloninggoodorbadforus?AdvantagesDisadvantagesGroup1and2Group3and4Mini-DebateAsacoinhastwosides,everythinghastwoaspects.Ononehand,ifcloningisusedinacorrectway,itcanbringmanyconveniencetous.Ontheotherhand,ifcloningisusedinanevilway,itcancausemuchtrouble.Therefore,weshouldusecloninginacorrectway.HomeworkWriteashortpassageabouttheadvantagesanddisadvantagesofcloning.Attheendofyourpassage,youcanaddyourownopinion.