人教版高中英語選修8-Unit-2-Readin課件

英語課標(biāo)教學(xué)課件選修8英語課標(biāo)教學(xué)課件選修81Unit2ReadingCloning:WhereIsItLeadingUs?

Unit2ReadingCloning:Where2exactcuttingtwinidenticalcommercialstraightforwardcomplicatedadj.

精確的;準(zhǔn)確的n.

剪枝;剪報(bào);剪紙n.

雙胞胎之一;孿生兒之一adj.

成對的;成雙的adj.

同一的;一模一樣的adj.

商業(yè)的;貿(mào)易的adj.

簡單的;直接的;坦率的adj.

復(fù)雜的;難懂的WordsandExpressionsexactadj.精確的;準(zhǔn)確的WordsandExp3undertakebreakthroughprocedurenucleussomaticembryocarriercastvt.

著手;從事;承擔(dān)n.

突破n.

程序;步驟;手續(xù)n.

原子核;中心adj.

軀體的;肉體的;細(xì)胞體的n.

胚;胚胎;萌芽時(shí)期n.

攜帶者;搬運(yùn)工;運(yùn)輸工具vt.

扔;投;擲WordsandExpressionsundertakevt.著手;從事;承擔(dān)Wordsa4altogetherarbitraryfatecorrectionobjectobjectionimpactmediumadv.

總共;完全地adj.

任意的n.

命運(yùn);天命n.

改正;糾正;修正vi.

反對;不贊成n.

不贊成;反對;異議n.

撞擊;沖擊;巨大的影響n.(plmedia)媒介;手段;工具WordsandExpressionsaltogetheradv.總共;完全地Wordsan5themediaobtainattainmoralconservativeforbidaccumulate大眾傳播媒體（如電視、報(bào)紙等）vt.

獲得;贏得vt.

獲得;到達(dá)（水平、年齡、狀況等）adj.

道德（上）的;倫理的adj.

保守的;守舊的vt.

禁止;不準(zhǔn)vt.&vi.

積累;聚積WordsandExpressionsthemedia大眾傳播媒體（如電視、WordsandE6payoffcastdownobjecttoinfavourof沮喪；不愉快得到好結(jié)果；取得成功；償清贊成；支持反對Matchpayoff沮喪；不愉快Match7DollytheSheepDollytheSheep8Discussion1.Howisacloneproduced?2.Whatbenefitscanhumansgainfromcloning?3.Whatproblemsmayarisewhenhumansarecloned?Discussion1.Howisaclonepr91.Tosummarizethemainideaofthepassage2.TotellhowDollywasproduced3.Toknowwhycloningisacontroversialissue1.Tosummarizethemainidea10ABA:Ithinkcloningisgoodforus.Because…B:Ithinkcloningisbadforus.Because…Iscloninggoodorbadforus?DebateABA:Ithinkcloningisgoodf11Theseexpressionsmayhelp.

Doyouthinkitiswiseto…?What’syouropinionof…?Ithinkyoushould…Iagreewithyouthat…Iwouldneveraccept…I’mhappytoacceptaclonebut…Iwouldneveracceptaclone…Idon’tmindbut…Theseexpressionsmayhelp.Do12SkimmingforgeneralideaSkimmingforgeneralidea13

What’sthemainideaofthetext?

A.Animalcloningisveryvaluableandcanbenefittheworld.B.Itexplainshowcloningworksinthefirstsuccessfulclonedsheep,Dolly.C.Itillustratespeople’sviewsaboutDolly’sappearanceandcloningpeople.D.BothB&C.Choosethebestanswer.What’sthemainideaofthet14Whatdoyouthinkisthewriter’spointofviewinthisreadingpassage?Isitinfavourofcloningoragainstit?Ithinkthewriteris_________because_________________________________________________.impartial

he/shedoesnotstateanypersonalopinionaboutcloningFillintheblanks.P123Whatdoyouthinkisthewrite15ProcedureofCloningaSheepProcedureofCloningaSheep16ScanningforspecificinformationScanningforspecificinformat17Fromthefirstparagraphitcanbeinferredthat______.A.cloningisaman–madetechnologyB.cloningalwaysexistsaroundusC.cloningisverystrangetohumanbeingsD.cloningisonlyconductedinlaboratoriesChoosethebestanswer.Fromthefirstparagraphitc182.ThecloningofDollythesheepsucceededbecause___________.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed2.ThecloningofDollythesh193.Dollythesheep_____.lookedexactlylikethesheepthatprovidestheeggcellwastheexactcopyofthesheepthatprovidesthenucleusC.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheep3.Dollythesheep_____.204.Itcanbeinferredfromthepassagethat

aclonedanimal____________.

A.usuallylivesaslongastheoriginalone

B.usuallyliveslongerthantheoriginalone

C.usuallydiesearlierthantheoriginalone

D.isusuallyashealthyastheoriginalone4.Itcanbeinferredfromthe21Answerthesequestions.1Whatarethetwomajorusesofcloning?2Whyisiteasiertomakecommercialplantclonesthananimalclones?3Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?4Whyiscloningcontroversialinsomecountries?P121Answerthesequestions.1What221.Whatarethetwomajorusesofcloning?2.Whyisiteasiertomakecommercialplantclonesthananimalclones?

Thefirstuseistoproducecommercialquantitiesofplants.Thesecondistoresearchonnewplantspeciesanddomedicalresearchonanimals.Cloningplantsisstraightforward,butthecloningofanimalsisverycomplicated.1.Whatarethetwomajoruses233.Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?4.Whyiscloningcontroversialinsomecountries?ThefirstclonefromanadultanimalwasDollythesheep.Shediedin2003.Cloningiscontroversialinsomecountriesformoralandreligiousreasons.3.Whatwasthefirstclonefr24Fillintheblanks.DefinitionCloningisawaytoexactly(1)

____anotherplantoranimal.(2)_______

cloning●Anewplantisbornfromthe(3)______ofagrowingone.●Inalaboratory,anewplantisgrownoutofasmallpartofanoriginalone.

●Aneggproducestwinsidenticalinsexandappearance.copyNaturalcuttingFillintheblanks.DefinitionC25Twomajoradvantages●Gardenersproduceplantsinlarge(4)_____________________,whichwillbringinmuchmoney.●Itisofgreat(5)_____forscientiststododifferentkindsofresearchonnewplantspeciesoranimals.quantities/numbersvalueTwomajor●Gardenersproduce26The(6)_____________________

ofcloningDollythesheep●(7)_____femalesheepareneeded.●FromfemalesheepA,aneggcellistaken,withitsnucleusremoved.

●FromfemalesheepB,asomaticcellistaken,withanucleuspicked.

●TheeggcellfromSheepAandthenucleusfromSheepBarejoinedtogethertoproduceanembryo.

●TheembryoisputintofemalesheepCandmonthslatera(8)

_____cedure/process/stepsThreelambThe(6)●(7)_____femaleshee27Twodisadvantages●Itgotanillnesswhichismore(9)__________toamucholderanimal.●Itslifespanwasahalfshorter.Twodifferent(10)______________________

●Itispossibletousecloningtocureillnesses.●Itisunethicaltocloneahuman.appropriateopinions/viewsTwo●Itgotanillnesswhich28Fillinthechartusingtheinformationfromthetext.Addonereasonofyourownineachcolumn.ProblemsordangersofcloningAdvantagesofcloningP122Fillinthechartusingthein29ProblemsordangersofcloningAdvantagesofcloningAnimalclonesmaydeveloptheillnessesofolderanimals.Medicalcloningcouldproducecuresforseriousillnessesinhumans.Animalclonesmaydieyoungerthanthedonoranimals.Cloningplantscanproduceplantsofsimilarqualityforsale.Problemsordangersofcloning30ProblemsordangersofcloningAdvantagesofcloningEvilleadersmaywanttoclonethemselves.Cloningplantscanbeusefulforresearchonnewplantspecies.Therearemoralobjectionstocloninghumanbeings.Cloningcanhelpsaveendangeredanimals.Problemsordangersofcloning31Carefulreading重難點(diǎn)句式分析Carefulreading重難點(diǎn)句式分析321.Italsohappensinanimalswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginalegg.時(shí)間狀語從句這種現(xiàn)象也發(fā)生在動(dòng)物身上，從同一個(gè)原生卵子產(chǎn)生性別和相貌相同的雙胞胎也是克隆。originalegg原生卵子定語修飾twinsidentical同一的；完全相同的1.Italsohappensinanimals33TranslationThetworoomswerevirtuallyidentical.1.這兩個(gè)房間幾乎一模一樣。

Whenhewasachildhewasalwaystryingoutnewideas.2.他小時(shí)候總是嘗試一些新的想法。TranslationThetworoomswere342.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain,newspaperswroteofevilleadershopingtoclonethemselvestoattaintheirambitions.讓步狀語從句盡管目前供克隆研究的人體細(xì)胞和胚胎還很難得到，但是報(bào)紙報(bào)道說，有些邪惡頭目希望把自己克隆出來以實(shí)現(xiàn)他們的野心。attain實(shí)現(xiàn)；獲得v-ed短語修飾humaneggcellsandembryoswriteofvt.寫,記述2.Althoughatpresenthumane35TranslationHehasattainedthehighestgradeinhismusicexams.1.他在音樂考試中得了最高分。

He'srathershy,althoughhe'snotasbadasheusedtobe.2.他很靦腆，但是比以前要好一些了。TranslationHehasattainedthe36Cloningisawayof___________________ofanotheranimalorplant.Ithastwomajoruses.Oneistoproducecommercialquantitiesofplants;________isforresearchonnewplantspeciesandformedicalresearchonanimals.Cloningplantsisstraightforward_______cloninganimalsisdifficulttoundertake.However,scientists’hardwork_______in1996_____thecloningofDollythesheep.Thoughitwasencouraging______thesheepseemedtogrownormally,itdiedafterashortlifeofonlysixandahalfyearsintheworld.theothermakinganexactcopywhilewiththatpaidoffCompletethepassagewithproperwords,whichwillhelpyouretellthetext.Cloningisawayof__________37Asaresult,it_______(puzzle)allscientistswithdifferentquestions.Besides,theappearanceofDollyraisedastormof__________(object)andpublicimagination.____gotpeopletothinkaboutthepossibilitiesof________(use)clonestocureseriousdiseasesandeventoproducehumanbeings.However,somegovernmentsbecamemorenervousandconservativeandtheyforbaderesearch____humancloning.Otherscontinuedtoaccumulateevidenceofabundantmedicalaid_________couldbeprovidedbycloning.puzzledobjectionsItusingwhich/thatintoAsaresult,it_______(puzzl38Lookatthesepicturesbelowfirst.Lookatthesepicturesbelowf39人教版高中英語選修8-Unit-2-Readin課件40人教版高中英語選修8-Unit-2-Readin課件41“HolygreatmotherofGod,I’vebeencloned!”“HolygreatmotherofGod,I’v421.克隆技術(shù)現(xiàn)在還不成熟,克隆人可能有很多先天性生理缺陷。2.克隆人的身份難以認(rèn)定,他們與被克隆者之間的關(guān)系無法納入現(xiàn)有的倫理體系。反對克隆人Someopinionsaboutclone1.克隆技術(shù)現(xiàn)在還不成熟,克反對克隆人Someopi433.克隆技術(shù)有可能被濫用,成為恐怖分子的工具。4.從生物多樣性上來說,大量基因結(jié)構(gòu)完全相同的克隆人,可能誘發(fā)新型疾病的廣泛傳播,對人類的生存不利。3.克隆技術(shù)有可能被濫用,成為恐怖分子的工具。441.“不讓我們克隆人,就是不讓我們修正我們的錯(cuò)誤,人類歷史難道能夠這樣構(gòu)造嗎？”

——《紐約時(shí)報(bào)書評》4.“人體商業(yè)化是人類經(jīng)濟(jì)活動(dòng)中無與倫比的成就,毫無疑問,克隆技術(shù)的出現(xiàn)將為世人創(chuàng)造一個(gè)最為廣泛和深遠(yuǎn)的市場?！?/p>

——英國《經(jīng)濟(jì)學(xué)家》雜志。支持克隆人Whataboutyou?It

is

a

question

worththinkingabout.

1.“不讓我們克隆人,就是不讓我們修正我們的錯(cuò)誤,人類45Nowtwominutestotestyourspelling.SpellingBee1.English-Chinesetwin,breakthrough,procedure,carrier,correction,objection,medium2.Chinese-English

商業(yè)的，倫理的，從事，到達(dá)，禁止，簡單的，保守的，總共，積累，獲得，任意的，不贊成，扔Whenfinished,exchangeyourpaperstoseewhodoesthebest.Nowtwominutestotestyours46Self-assessmentThingsIcandoEvaluationIknowwhatcloningis.54321Icangraspthemainideaofthereadingpassage.54321IcanretellhowDollythesheepwasproduced.54321Icanapplysomevocabularyfromthereadingpassagetomyfuturewriting.54321Icanunderstandthesentencepatternsandwritenewsentenceswiththem.54321Ineedmorepracticein_________________________.Self-assessmentThingsIcando47Homework

object,payoff,accumulate,attain,castdown,undertake,infavourof,breakthrough,objectto,obtain.3.Readthearticlesinpage1ofLearningEnglish.Themoreyouread,thefasterandbetteryou’llunderstand.Whenfinishedreading,writeasummaryin100wordsorso.Readthepassageagainandreviewthenewwordsandexpressions.2.發(fā)揮想象，連詞成文(50-100字).Homeworkobject,payoff,accu48英語課標(biāo)教學(xué)課件選修8英語課標(biāo)教學(xué)課件選修849Unit2ReadingCloning:WhereIsItLeadingUs?

Unit2ReadingCloning:Where50exactcuttingtwinidenticalcommercialstraightforwardcomplicatedadj.

精確的;準(zhǔn)確的n.

剪枝;剪報(bào);剪紙n.

雙胞胎之一;孿生兒之一adj.

成對的;成雙的adj.

同一的;一模一樣的adj.

商業(yè)的;貿(mào)易的adj.

簡單的;直接的;坦率的adj.

復(fù)雜的;難懂的WordsandExpressionsexactadj.精確的;準(zhǔn)確的WordsandExp51undertakebreakthroughprocedurenucleussomaticembryocarriercastvt.

著手;從事;承擔(dān)n.

突破n.

程序;步驟;手續(xù)n.

原子核;中心adj.

軀體的;肉體的;細(xì)胞體的n.

胚;胚胎;萌芽時(shí)期n.

攜帶者;搬運(yùn)工;運(yùn)輸工具vt.

扔;投;擲WordsandExpressionsundertakevt.著手;從事;承擔(dān)Wordsa52altogetherarbitraryfatecorrectionobjectobjectionimpactmediumadv.

總共;完全地adj.

任意的n.

命運(yùn);天命n.

改正;糾正;修正vi.

反對;不贊成n.

不贊成;反對;異議n.

撞擊;沖擊;巨大的影響n.(plmedia)媒介;手段;工具WordsandExpressionsaltogetheradv.總共;完全地Wordsan53themediaobtainattainmoralconservativeforbidaccumulate大眾傳播媒體（如電視、報(bào)紙等）vt.

獲得;贏得vt.

獲得;到達(dá)（水平、年齡、狀況等）adj.

道德（上）的;倫理的adj.

保守的;守舊的vt.

禁止;不準(zhǔn)vt.&vi.

積累;聚積WordsandExpressionsthemedia大眾傳播媒體（如電視、WordsandE54payoffcastdownobjecttoinfavourof沮喪；不愉快得到好結(jié)果；取得成功；償清贊成；支持反對Matchpayoff沮喪；不愉快Match55DollytheSheepDollytheSheep56Discussion1.Howisacloneproduced?2.Whatbenefitscanhumansgainfromcloning?3.Whatproblemsmayarisewhenhumansarecloned?Discussion1.Howisaclonepr571.Tosummarizethemainideaofthepassage2.TotellhowDollywasproduced3.Toknowwhycloningisacontroversialissue1.Tosummarizethemainidea58ABA:Ithinkcloningisgoodforus.Because…B:Ithinkcloningisbadforus.Because…Iscloninggoodorbadforus?DebateABA:Ithinkcloningisgoodf59Theseexpressionsmayhelp.

Doyouthinkitiswiseto…?What’syouropinionof…?Ithinkyoushould…Iagreewithyouthat…Iwouldneveraccept…I’mhappytoacceptaclonebut…Iwouldneveracceptaclone…Idon’tmindbut…Theseexpressionsmayhelp.Do60SkimmingforgeneralideaSkimmingforgeneralidea61

What’sthemainideaofthetext?

A.Animalcloningisveryvaluableandcanbenefittheworld.B.Itexplainshowcloningworksinthefirstsuccessfulclonedsheep,Dolly.C.Itillustratespeople’sviewsaboutDolly’sappearanceandcloningpeople.D.BothB&C.Choosethebestanswer.What’sthemainideaofthet62Whatdoyouthinkisthewriter’spointofviewinthisreadingpassage?Isitinfavourofcloningoragainstit?Ithinkthewriteris_________because_________________________________________________.impartial

he/shedoesnotstateanypersonalopinionaboutcloningFillintheblanks.P123Whatdoyouthinkisthewrite63ProcedureofCloningaSheepProcedureofCloningaSheep64ScanningforspecificinformationScanningforspecificinformat65Fromthefirstparagraphitcanbeinferredthat______.A.cloningisaman–madetechnologyB.cloningalwaysexistsaroundusC.cloningisverystrangetohumanbeingsD.cloningisonlyconductedinlaboratoriesChoosethebestanswer.Fromthefirstparagraphitc662.ThecloningofDollythesheepsucceededbecause___________.A.it’seasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailed2.ThecloningofDollythesh673.Dollythesheep_____.lookedexactlylikethesheepthatprovidestheeggcellwastheexactcopyofthesheepthatprovidesthenucleusC.lookedlikethesheepthatgavebirthtoitD.hadthecharacteristicsofallthreesheep3.Dollythesheep_____.684.Itcanbeinferredfromthepassagethat

aclonedanimal____________.

A.usuallylivesaslongastheoriginalone

B.usuallyliveslongerthantheoriginalone

C.usuallydiesearlierthantheoriginalone

D.isusuallyashealthyastheoriginalone4.Itcanbeinferredfromthe69Answerthesequestions.1Whatarethetwomajorusesofcloning?2Whyisiteasiertomakecommercialplantclonesthananimalclones?3Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?4Whyiscloningcontroversialinsomecountries?P121Answerthesequestions.1What701.Whatarethetwomajorusesofcloning?2.Whyisiteasiertomakecommercialplantclonesthananimalclones?

Thefirstuseistoproducecommercialquantitiesofplants.Thesecondistoresearchonnewplantspeciesanddomedicalresearchonanimals.Cloningplantsisstraightforward,butthecloningofanimalsisverycomplicated.1.Whatarethetwomajoruses713.Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?4.Whyiscloningcontroversialinsomecountries?ThefirstclonefromanadultanimalwasDollythesheep.Shediedin2003.Cloningiscontroversialinsomecountriesformoralandreligiousreasons.3.Whatwasthefirstclonefr72Fillintheblanks.DefinitionCloningisawaytoexactly(1)

____anotherplantoranimal.(2)_______

cloning●Anewplantisbornfromthe(3)______ofagrowingone.●Inalaboratory,anewplantisgrownoutofasmallpartofanoriginalone.

●Aneggproducestwinsidenticalinsexandappearance.copyNaturalcuttingFillintheblanks.DefinitionC73Twomajoradvantages●Gardenersproduceplantsinlarge(4)_____________________,whichwillbringinmuchmoney.●Itisofgreat(5)_____forscientiststododifferentkindsofresearchonnewplantspeciesoranimals.quantities/numbersvalueTwomajor●Gardenersproduce74The(6)_____________________

ofcloningDollythesheep●(7)_____femalesheepareneeded.●FromfemalesheepA,aneggcellistaken,withitsnucleusremoved.

●FromfemalesheepB,asomaticcellistaken,withanucleuspicked.

●TheeggcellfromSheepAandthenucleusfromSheepBarejoinedtogethertoproduceanembryo.

●TheembryoisputintofemalesheepCandmonthslatera(8)

_____cedure/process/stepsThreelambThe(6)●(7)_____femaleshee75Twodisadvantages●Itgotanillnesswhichismore(9)__________toamucholderanimal.●Itslifespanwasahalfshorter.Twodifferent(10)______________________

●Itispossibletousecloningtocureillnesses.●Itisunethicaltocloneahuman.appropriateopinions/viewsTwo●Itgotanillnesswhich76Fillinthechartusingtheinformationfromthetext.Addonereasonofyourownineachcolumn.ProblemsordangersofcloningAdvantagesofcloningP122Fillinthechartusingthein77ProblemsordangersofcloningAdvantagesofcloningAnimalclonesmaydeveloptheillnessesofolderanimals.Medicalcloningcouldproducecuresforseriousillnessesinhumans.Animalclonesmaydieyoungerthanthedonoranimals.Cloningplantscanproduceplantsofsimilarqualityforsale.Problemsordangersofcloning78ProblemsordangersofcloningAdvantagesofcloningEvilleadersmaywanttoclonethemselves.Cloningplantscanbeusefulforresearchonnewplantspecies.Therearemoralobjectionstocloninghumanbeings.Cloningcanhelpsaveendangeredanimals.Problemsordangersofcloning79Carefulreading重難點(diǎn)句式分析Carefulreading重難點(diǎn)句式分析801.Italsohappensinanimalswhentwinsidenticalinsexandappearanceareproducedfromthesameoriginalegg.時(shí)間狀語從句這種現(xiàn)象也發(fā)生在動(dòng)物身上，從同一個(gè)原生卵子產(chǎn)生性別和相貌相同的雙胞胎也是克隆。originalegg原生卵子定語修飾twinsidentical同一的；完全相同的1.Italsohappensinanimals81TranslationThetworoomswerevirtuallyidentical.1.這兩個(gè)房間幾乎一模一樣。

Whenhewasachildhewasalwaystryingoutnewideas.2.他小時(shí)候總是嘗試一些新的想法。TranslationThetworoomswere822.Althoughatpresenthumaneggcellsandembryosneededforcloningresearcharedifficulttoobtain,newspaperswroteofevilleadershopingtoclonethemselvestoattaintheirambitions.讓步狀語從句盡管目前供克隆研究的人體細(xì)胞和胚胎還很難得到，但是報(bào)紙報(bào)道說，有些邪惡頭目希望把自己克隆出來以實(shí)現(xiàn)他們的野心。attain實(shí)現(xiàn)；獲得v-ed短語修飾humaneggcellsandembryoswriteofvt.寫,記述2.Althoughatpresenthumane83TranslationHehasattainedthehighestgradeinhismusicexams.1.他在音樂考試中得了最高分。

He'srathershy,althoughhe'snotasbadasheusedtobe.2.他很靦腆，但是比以前要好一些了。TranslationHehasattainedthe84Cloningisawayof___________________ofanotheranimalorplant.Ithastwomajoruses.Oneistoproducecommercialquantitiesofplants;________isforresearchonnewplantspeciesandformedicalresearchonanimals.Cloningplantsisstraightforward_______cloninganimalsisdifficulttoundertake.However,scientists’hardwork_______in1996_____thecloningofDollythesheep.Thoughitwasencouraging______thesheepseemedtogrownormally,itdiedafterashortlifeofonlysixandahalfyearsintheworld.theothermakinganexactcopywhilewiththatpaidoffCompletethepassagewithproperwords,whichwillhelpyouretellthetext.Cloningisawayof__________85Asaresult,it_______(puzzle)allscientistswithdifferentquestions.Beside