人教版高中英语选修八Unit2《Cloning》

高中英语课件（金戈铁骑整理制作）Unit2cloningReadingTheimportanteventsinanimalcloninghistoryIn1952tadpole(蝌蚪）wascloned.ItisthefirstanimaltobeclonedIn1963,anAsiancarp(鲤鱼）wascloned.Tenyearslater,aChinesescientistnamedTongdizhouclonedaEuropeancarp.1978年7月25日,世界上第一个试管婴儿路易丝·布朗在英国出生路易丝·布朗现已33岁In1996,asheepcalledDolleywasborn.Itisthefirstmammaltobecloned.Itisconsideredtobethegreatestsuccessinthedevelopmentofcloning.Amacaque（猕猴）wasclonedin2000.Laterscientistsclonedmanymonkeys.2000年·人类近亲被克隆

美国俄勒冈的研究者用与克隆多利羊截然不同的方法克隆出猴子TetraMules(骡子）havenoabilitytogivebirthtoababy.Amulewasclonedin2003.Itisthefirstanimalwhichlackfecundity(生育能力）tobecloned.2001年·克隆人被提上日程Cloning:Whereisitleadingus?CloningUnit2Reading:Whatdoyouwanttoknowaboutcloning?1.2.3.……Skimming（略读）:matchthemainideawitheachparagraph（段落大意连连看）A.Twomajorusesandtheprocedureofcloning.B.Cloningisawayofmakinganexactcopyofanotheranimalorplant.C.TheeffectofDollythesheep.D.Itisforbiddentoclonehumanbeings.E.Theproblemofdollythesheep.Para.1Para.2Para.3Para.4Para.5_______________(meaning)_________________________Skimthefollowingpassageandmatchtheparagraphwiththecorrectsentence.Para1A.TheproblemsofDollyPara2B.ThetwomajorusesofcloningPara3C.TheattitudestowardscloningPara4D.ThedefinitionofcloningPara5E.TheeffectofcloninginsocietyScanthetexttofindouttheanswerstothefollowingquestions.Scanning1.Dollythesheep______.A.lookedexactlylikethesheepthatprovidestheeggB.wastheexactcopyofthesheepthatprovidesthenucleusC.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheepChoosethebestanswer.2.Thesheepthatdonatedthesomaticcellmostprobablylived________years.A.3B.6C.9D.133.Whichofthefollowingisnotanadvantageofcloning?Cloningcanbeusedformedicinepurposes.Largequantitiesofplantscanbeproducedbycloning.Cloningcanhelpkeepanimalsfrombecomingextinct.Famouspersonswhohavepassedawaycanbecloned.4.Themainideaofthetext:A.Animalcloningisveryvaluableandcanbenefittheworld.B.Animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.C.AnimalcloningiswelldevelopedbecauseDollythesheepwasborn.D.Animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.5.Theword“controversial”inpara4probablymeans____________.A.complicatedB.arguableC.importantD.necessary6.Thewriter’spointofviewinthisreadingpassage:Positive.Negative.Objective.Indifferent.Trueorfalse:1.Cloningmeansmakingacopyofananimaloraplant.()2.Gardenerscanmakealotofmoneybycloningplants.()3.Cloningissomethingthathasbeendevelopedquiterecently.()4.Dollythesheepwasthefirstsuccessfulcloneofamammal.()5.ThecloningofDollythesheepsucceedbecausethescientistsweredeterminedandworkhardwithpatience.()FTFTT冒死也要克隆人的法国科学家:布瓦瑟利耶恐怖分子头目本拉登ProblemsordangersofcloningAdvantagesofcloningAnimalclonesmaydeveloptheillnessofolderanimals.Medicalcloningcouldproducecuresforseriousdegenerativeillnessesinhumans.AnimalclonesmaydieyoungerthanthedonoranimalsCloningplantscanproduceplantsofsimilarqualityforsaleProblemsordangersofcloningAdvantagesofcloningEvilleadersmaywanttoclonethemselvesCloningplantscanbeusefulforresearchonnewplantspecies.TherearemoralobjectionstocloninghumanbeingsCloningcanhelpsaveendangeredanimals.Clonecanmakeawomanwhocan’tgetpregnant(怀孕的）haveachild.Atpresentourcountrylacksorgans(器官）.Theclonedmancantransformhisorganstohisoriginalone(本体)Theyhavethesameface.Peoplearenolongerspecialtoeachother.Ourcloningtechnologyisnotperfect.Someclonedbabieshavedeformity(畸形）frombirth.Debate:Areyoufororagainstcloninghumanbeings(谁说谁有理）Importantsentences:1.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.2.Butatlastthedeterminationandpatienceofscientistspaidoffin1996withabreakthrough.3.CloningscientistswerecastdowntofindthatDolly’illnessesweremoreappropriatetoamucholderanimal.4.Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.5.Itsuddenlyopenedeverybody’seyestothepossibilityofusingcloningtocureseriousillnessesandeventoproducehumanbeings.6.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain.7.However,scientistsstillwonderwhethercloningwillhelpusorharmusandwhereitisleadingus.完成句子Thenaughtyboy______________________________(被禁止离开教室）asapunishment.(forbid)He_____________________________(非常沮丧）bythefailureoftheexperiment.(cast)3.Thetask_____________________________(很难承担）.(undertake)Drugs__________________________________(对青少年有很大影响）.(impact)wasforbiddentoleavetheclassroomwascastdownisdifficulttoundertakehaveagreatimpactonteenagers短语：