Unit2ClonigHowmuchdoyouknowaboutcloning?導(dǎo)DollythesheepDollyandtheFatherofDolly–IanwilmutIn1996,thefamoussheep“Dolly”wasclonedsuccessfullyDollythesheepIt’sthemostfamoussheepintheworld.Shewasc____whiletheotherswerebornn_______.Itisthec___ofanothersheep.man-madeclonelonedaturallyopyNowwearegoingtoreadapassageaboutcloning.Howmuchdoyouknowaboutcloning?Isitagoodthingorabadthing?Whatisthemainideaofthepassage?Thepassagetellsusthatanimalcloningraised__________andscientistsarenotsureaboutits______.argumentsfuture思2.Whatisthewritingstyle?A.Expositive(說明性的)

B.Descriptive(描述性的)C.Argumentative(議論性的)

D.Narrative(敘事性的)Para1A.TheproblemsofDollyPara2B.ThetwomajorusesofcloningPara3C.TheattitudestowardscloningPara4D.ThedefinitionofcloningPara5E.Theeffectofcloninginsociety

Skimming（略讀）:matchthemainideawith

eachparagraph

1).ThecloningofDollythesheepsucceededbecause_________A.it’seasiertocloneasheepthanotheranimals.B.thescientistsweredeterminedandworkedhardwithpatience.C.thescientistswererewardedandgotlotsofmoney.Dmanyotherattemptstoclonemammalsfailed.2).Dollythesheep_____.A.lookedexactlylikethesheepthatprovidestheegg.B.wastheexactcopyofthesheepthatprovidesthenucleus.C.lookedlikethesheepthatgavebirthtoit.D.hadthecharacteristicsofallthreesheep.BB3).Thewriter’sattitudetowardscloningis____Positive積極的B.Negative消極的C.objective客觀的D.favorable支持的CDiscussionIscloninggoodorbadforus?Advantages

Disadvantages

Group1and2Group3and4Fillinthechart議展ProblemsordangersofcloningAdvantagesofcloningFillinthechart.

ProblemsordangersofcloningAdvantagesofcloning1.Gettheillnesses_________________olderanimals.

Whichwereappropriateto

議展Gardenersusecloningtoproduce___________commercialquantitiesofplants

2.Animalclonesmaylive______________thantheoriginalanimals.

Itisvaluableforresearch

____________3._____________maywanttoclonethemselvestoattaintheirambitions.

Itisvaluablefor___________onanimals.4.Religiousleaders_______________aboutcloninghumanbeings.

Itispossibletocure

___________andevento_______________________________shorteronnewplantspeciesleadersEvilraisedmoralquestionsMedicalresearchseriousillnessesproducehumanbeings

Cloningpeopleisagoodthing,orabadthing?克隆人是福音,還是惡兆？Thinking意大利狂人醫(yī)生:安蒂諾里冒死也要克隆人的科學(xué)家:布瓦瑟利耶1.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3.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。1.“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》2.“當(dāng)然應(yīng)該‘克隆’人,如果誰第一個(gè)掌握了這個(gè)技術(shù),他就是我真正的、也是唯一的競爭對手。”—比爾·蓋茨支持克隆人3.“克隆人絕對是科學(xué)上了不起的進(jìn)步,克隆技術(shù)必將創(chuàng)造21世紀(jì)的輝煌?！薄槭±砉W(xué)院生命工程教授約翰·布洛克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?！薄督?jīng)濟(jì)學(xué)家》雜志。Summary檢

Cloningisawayofmakingan___________copyofanotheranimalorplant.Cloninghastwomajoruses.Firstly,gardenersuseittoproduce___________quantitiesofplants.Secondly，itisvaluableforresearch.Cloningplantsis___________whilecloninganimalsisvery_________.Theprocedureisdifficultto_________.In1996，scientistssucceededin___________Dollythesheep.Thescientificworldfollowedtheprogressofthefirstsuccessfulclone.Thencamethe___________newsthatDollywasillandthendied.Dolly'sappearance___________astormofobjections.Governmentsbecamenervousandsome__________researchintohumancl