高中英语 Unit3 Science and nature final课件 牛津译林版必修5.ppt

FourhundredyearsagoChinesepeoplehadcreatedtheclonedimagesinJourneytotheWest,butnowithasbecomerealityinlife.,Unit3Reading,Theperfectcopy,Thereisnoforbiddenfieldinscience,butwemustmakesurethetechnologyundercontrol.,科学无禁区，技术应节制,deficientinknowledgeofcloning,unfamiliarscientificterms,theabilitytodebate,Learningdifficulties:,Getanideaofwhatthearticleisabout(readthe1standthelastparagraphs)Dealwiththeinformationyoudontknow(circlethewordsandquestionthings)Readthroughthearticleafewtimesforthefurtherunderstanding,Readingstrategy:,Understandingscientificterms(科学术语),Thepassageismainlyabout_.A.whatcloningisB.theadvantageofcloningC.argumentsaboutthefirstclonedhumanembryoD.thedisadvantageofcloning,Task1：Fastreading,Gothroughthefirstandthelastparagraphsquickly.,Circletheunfamiliarwordsyoudonotunderstandinthefirstthreeparagraphs.,Task2：Scanning,Understandingscientificterms,1.clone(line1)2.embryo(line1)3.tissue(line4)4.cell(line8)5.organ(line17),Theadvancedtechnologyingenetics(遗传学)withwhichscientistscancreateorcopythingswiththesameDNAiscalledcloning.So“cloning”isanewtechnologywhichproducesanexactcopyofaplantorananimalusingitscells.,Scientificterms:,Scientificterms:,Acellisthesmallestunitoflife.Anembryoisthebeginningofababyinamothersbody.,Atissueismassofcellsformingthebodyofananimaloraplant,1.clone(line1)2.embryo(line1)3.tissue(line4)4.cell(line8)5.organ(line17),克隆,胚胎,组织,细胞,器官,Scientificterms:,Task3：Structureanalyzing,AnewspaperarticleTwoletters:,A_onthefirstclonedhuman_,Differentopinionsonthebirthof_,Differentattitudestowardscloning_,_scientistsworkoncloning,PaulineCarter,ColinJake,Para1,Para2,Para3-5,Para6,Readers_towardshumancloning,attitudes,embryo,Dolly,humanbeings,Chinese,debate,Whatarethedifferentattitudestowardsthesuccessofcloningahumanembryo?OntheonehandOntheotherhand,Valuablehumantissuescanbeproducedandbeusedtosavehumanlives,Mankindmaybeonthewaytoproducingareal-lifeFrankensteinsmonster,Somepeoplebelievethat,Cloninghumanembryoswiththeintentionofdestroyingthemshowsnorespectforhumanlife.,Readingcomprehension:,Inascientificfiction,writtenbyMaryShelly,ascientistnamedFrankensteincreatedamonsterfrompiecesofdeadbodies,butthemonsteratlastkilledhimandhisfamily.Itsreallyascientifictragedy(悲剧).,Frankensteinsmonster,IfwecallsomebodyFrankensteinnowadays,wemeanthatheisdestroyedbysomethinghehascreated.,Backgroundinformation:,Ifcloninggoeswrong,whatwillhappen?,Funpictures,Adogoraneagle?,Aduckoracrocodile?,Acockoradog?,Alionorakangaroo?,Afrogoracrocodile?,Atortoiseorabear?,Abirdoradog?,Adogoraman?,Cloning:producinganexactcopyofaplantorananimalusingitscellsDolly:Theworldsattitudes:,thefirstclonedmammalbornin1996,diedinearly2003,manypeople:scientists:,(Para2),Task4：Note-taking:,werepraisedfortheirscientificadvance,worried,(Para3-5),Howmanyscientistsarementionedinthispart?,Two(IanWilmut,SeverinoAntinori),2.Whowantstocloneahumanbeing?,SeverinoAntinori,Detailedreading:,Task5：Form-filling:,(Para3-5&Para6),humans,curing,saleswoman,anxious,focused,beneficial,Unable,first,Ifyouaregivenachancetoclone,whatwouldyouliketoclone,andwhy?,Furtherdiscussion:,Cloneyourself?,Cloneaservant?,Cloneabeautiful?,Task6:Listening,Listentothetworeaderslettersandfindtheiropinionsonhumancloning.,PaulineCarter,ColinJake,Anti-cloning,Pro-cloning,Carefulreading:,Titleunderstanding:,Whatdoes“copy”heremean?A.modelB.cloneC.similarityD.imitation,2.Whatstheliteral(字面的)meaningofthetitle?,Itmeansthattheclonelooksexactly_astheoriginalone.,Theperfectcopy,the,same,Isitperfect?-Technology-Morality(道德)-.,Furtherunderstanding:,Theperfectcopy,Onlywhencloningbenefitsnotonlyhumanbeingsbutalsonaturecanweconsideritperfect.Wehaveourprinciples(准则)whilenaturehasitsownones,sowecantgoagainstnaturelaws.Weshouldbuildasocietyinharmonywithnature.,?,Rulestofollow:1.Thinkofasmanyreasonsaspossibletosupportyourideas.2.Thegroupwhocangivethemostconvincingreasonswillwinthedebate.,Task7:Debating,for,against,Humancloning,Findthereasonswhypeoplearefororagainstcloninginthearticleandlettersandwritetheminthetablebelow,diseaseslikecancer,thosewhoareunabletohavechildren,thosewhowanttoclonetheirdeadchildren,morediseaseintheanimalworld,cloningshowsnorespectforhumanlife,humanlifewouldjustbecomeacroptobeharvestedoraproductforsale,weshouldbehavingfewerbabiesinordertoreduceEarthspopulation,notcloningmore,cure,help,help,cause,Findingreasons,leadtomorediseasesshownorespectforhumanlifeusecloningtocommitcrimescauseoverpo