广西扶绥县第二中学高中英语 unit2 cloning reading课件2 新人教版选修8

Unit2CloningPeriod1Warmingup&Reading

Whatwillyouthinkof?cure...DollytwinsthesamegenecloningAstrawberryplantTheplantproducesitsownrunners.AstemTakecuttingsfromgrowingplantstomakenewones.Theyareidenticalinsexandappearance,whoareproducedfromthesameoriginalegg.Shewasc______whiletheotherswerebornnaturally.Itistheexactcopyofanothersheepandthefirstclonedmammal.differentfromlonedDollythesheepItsnameisAndi,thefirstgeneticallymodifiedmonkey.DogSnuppywascreatedbyKoreanandAmericanscientistsCloningisawayofmakinganexact_____ofanotheranimalorplant.WhatisCloning?copyWhatisthedifferenceamongthem?NaturalcloneMan-madecloneclone

Clone,alsocalledreproduceasexually(无性生殖/繁殖),isthecreationofcellsorwholeanimalsusingDNAfromasingle“parent”,withoutusingthenormalreproductive(有性生殖)process.TheclonehastheexactlysameDNAtotheparent.Itincludesnaturalandman-madeclone.What'sclone?Prediction

Whatdoyouthinkthearticleisaboutbyreadingthis

headline?CLONING:WHEREISITLEADINGUS?Whatisthemainideaofthepassage?Thepassagetellsusthatanimalcloningraised__________andscientistsarenotsureaboutits______.argumentsfutureWhatisthewritingstyle?Expositive(说明文) Descriptive（记叙文）C.Argumentative（议论文）Skimming

___.Cloninghastwomajorusesandsuccessfulclone.___.Cloningisawayofmakinganexactcopyofanotheranimalandplant(definition)___.TheeffectofDolly.___.Itisforbiddentoclonehumanbeings.___.TheproblemsofDolly.12345Trueoffalse:Fourfemalesheepparticipateinthecloningofanewsheep.Electricityisneededintheprocedure.SheepBprovidesasomaticcellfortheclone.ThelambistheexactcopyofsheepA.TFTFWhichofthefollowingstatementsaboutcloningisNOTtrueaccordingtotext?A.Cloningissomethingthathasbeendevelopedquiterecently.B.Twinsthatlookexactlythesameareoriginallyfromthesameegg.C.Cloningisusedbygardenerstomakemoremoney.D.Animalcloningismuchmoredifficultthanplantcloning.

ThecloningofDollythesheepsucceededbecause____.A.itseasiertocloneasheepthanotheranimalsB.thescientistsweredeterminedandworkedhardwithpatienceC.thescientistswererewardedandgotlotsofmoneyD.manyotherattemptstoclonemammalsfailedThedeterminationandpatienceofthescientistswasrewarded/paidoff.Cloningisvaluablefor________researchonanimals.medicalProblemsofcloningAnimalclonesmaydevelopthe_______ofolderanimalsillnessesAnimalclonesmaydie_______thantheoriginalanimals.younger__________maywanttoclonethemselves.Thereare______________tocloninghumanbeings.AdvantagesofcloningMedicalcloningcouldproduce_____forseriousillnessesinhumans.curesCloningplantscanproducelarge________ofplantsfor____.quantitiesCloningplantscanbeusefulforresearchon________________.speciesEvilleadersplantsalemoralnewobjectionsWecanconclude_______Cloningisgoodforus.Cloninghastwoaspects.Ifcloningisusedinacorrectwayitcanbringmanyconveniencetous.Ifcloningisusedinanevilwayitcancausemuchtrouble.Weshouldusecloninginawiseway!Asacoinhastwosides,everythinghastwoaspects.Ononehand,ifcloningisusedinacorrectwayitcanbringmanyconveniencetous.Ontheotherhand,ifcloningisusedinanevilwayitcancausemuchtrouble.Therefore,weshouldusecloninginacorrectway.LangugePoints

1.Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-make.Explainhowtheydiffer.1.differvi.different,difference她的方法跟我的没有很大不同。

Hermethod____________________________.现代飞机跟早期的在很多方面有所不同。Modernairplanes_____________earlyones____manyaspects.对于如何解决问题,我跟他的意见不一致。I_____________howtosolvetheproblem.

doesn’tdiffermuchfrommine.differfromdifferwithhimindiffer是不及物动词,主要有两个义项：“不同,相异；不同意,意见相左”。1).sb.differfrom/withsb.on/aboutsth.;

2).sth.andsth.differin…;3).sth.differfromsth.2.这种现象也发生在动物身上，从同一个原生卵产生性别与外貌相同的双胞胎也是克隆。Italsohappensinanimalswhentwins______________________________areproducedfromthesame____________.identicalinsexandappearanceoriginalegg3.研究克隆的科学家们沮丧地发现多莉得的病更容易发生在年老的动物身上。Cloningscientists____________________thatDolly’sillnessesweremore______________amucholderanimal.werecastdowntofindappropriateto不要这么沮丧,打起精神来！Don’t_______________.Justkeepupyourspirits.发现事情的真相使他很沮丧。__________________________________besocastdownFindingoutthetruthcasthimdown.undertakevt.着手做,从事,进行;担任,承担,答应科学家从事这项实验。Thescientist_________________________.我愿意承担这些变革的责任。Ican

_____________________

forthechanges.那个律师接了一个新的案子。

Thelawyer_____________________.4.这个过程很难实施。Theprocedureisdifficulttoundertake.undertakestheexperimentundertaketheresponsibilityundertook

anewcase

5.多莉看来是在正常地成长着，这事很令人鼓舞。Thefact______sheseemedtodevelopnormallywasencouraging.

然后传来了多莉得了重病的令人烦恼的消息。

Thencamethedisturbingnews____Dollybecameseriouslyill.thatthatdisturbvt.扰乱,使不安,弄乱;disturbedadj.被扰乱的,动乱的,不安的；disturbingadj.令人不安的。外面的噪音妨碍我睡觉。Thenoiseoutsidedisturbedmysleep.

6.多莉的出现引来了巨大的反对,激发了传媒的热炒和公众的想像力。Dolly’sappearance______________________and_______________________themediaandpublicimagination.raisedastormofobjectionshadagreatimpactonobjectv.objectionn.我极不愿意早起。Ifeelastrongobjection_________________.你反对我打开窗子吗？Haveyouanyobjection_______________thewindow?

togettingupearlytomyopening

object

vi.我反对这项计划。Iobjecttotheplan.我们抗议这种待遇。Weobjectto

beingtreatedlikethis.objectvt.我提出反对意见:他太年轻不适合那个职位。Iobjectthatheistooyoungtotakethatposition.

object

作不及物动词时后接介词to或against.

作及物动词时可接that引导的从句。

objection是名词,常与have,take,feel等连用构成词组：

haveobjectiontotakeobjectiontofeelobjectiontosth.doingsth.sb.todosth.sb.sththat…forbid7.政府开始感到不安,有许多政府禁止对克隆的研究。Governmentsbecame_________andmany_______________________humanclothing.nervousforbaderesearchintoforbidforbad/forbadeforbidden2).Theschool______________________(禁止学生吸烟).3)Heisforbidden___________________(进入这个房间).forbidsstudentstosmoketoentertheroom1).公共场所应禁止吸烟。Smokingshouldbeforbiddeninpublicplaces.8.有些国家比如中国和英国继续收集克隆能提供丰富的医疗帮助的证据。

SomecountriessuchasChinaandtheUKcontinuedto___________________ofthe___________medicalaidthatcloningcouldprovide.

accumulatevt.Viaccumulation,accumulativeaccumulateevidenceabundant他因努力工作而积蓄了一笔财富。He__________________byhardwork.我不在期间灰尘积聚了起来。__________________duringmyabsence.

accumulatedfortuneDustaccumulatedWhatproblemsmay____whenhumansarecloned?Dolly’sappearance_____astormofobjections..…andreligiousleaders______moralquestions.ariseraisedraised2.Cloningplantsisstraightforward____thecloningofanimalsismorecomplicated.Theprocedureisdifficult_______________.Atfirstitwasnotaccurateenoughandmanyattempts________________failed.buttoundertake

toclonemammals3.FemalesheepB_________asomaticcell____theclone.Thenucleusofthiscell

containsallthegenes_______(need)toproduceanewsheep.4.ThenucleusfromsheepBandtheeggcellfromsheepAarejoined________(use)electricity.5.Then______thedisturbingnewsthatDollyhadbecomeseriouslyill.

provides

forcameneededusing6._________herproblems,Dollysuccessfullyproducedalambinanaturalbirth.Itsuddenlyopenedeverybody’seyestothepossibilityof______cloningtocureseriousillnesses,andeven____________humanbeings.Despite

using

producingCloningisawayofmakingan(1)_______copyofanotheranimalandplant.(2)___________(clone)plantsisstraightforwardbutthecloningofanimalsismoredifficult(3)__________(undertake).Thefact(4)__________theclonedsheepDollyseemedtodevelopnormallywasveryencouraging.Butcloningscientists(5)________________(castdown)tofindthatshebecameexactCloningtoundertakethatwerecastdownseriouslyillandtheillnessesweremore(6)____________(适合的)toamucholderanimal.Ontheotherhand,Dolly’sappearanceraisedastormof(7)__________(object)andhadagreatimpact(8)_______themediaandpublicimagination.Theresearch(9)_______humancloningofhumanbeingsisspecifically(10)___________(forbid)bylawinmostpartsoftheworld.appropriateobjectionson/overintoforbidden4.为什么有些人反对克隆人类？Whydosomepeople_______humancloning?

5.她后来得了严重的肺病的问题让科学家们很烦恼。Theproblemthatshelater____________aseriouslungdisease__________scientists.6.多莉的死，正如她的出生一样，必将引发人们的担心。Dolly’sdeath,likeherbirth,_________________________.objecttodevelopedbotheredwasboundtoraiseworries1．作者的观点是赞成还是反对克隆？Isthewriter’spointofview___________cloningoragainstit?2.做了一些研究以后没多久，当他发现取得了突破性成功的克隆物多莉羊的命运时，觉得很沮丧。_______afterhedidsomeresearch,hefelt_____________whenhediscoveredthe____ofthebreakthroughclone,Dollythesheep.3.这两个字的字义完全一样。Thetwowordsare__________meaning.infavorofShortlycastdownfateidenticalin7.科学家相信克隆人类只是时间问题，不过克隆人是否已诞生的设想还未得到证实。Scientistsbelievehumancloningisjust________________butthe____________thathumancloneshavealreadybeenbornhasn’tbeenprovedyet.8.他赞同工厂女工五十岁退休的规定。Heagreestothe__________thatwomenworkers________at50inthefactory.amatteroftimeassumptionregulationretire9.克隆凶猛和灭绝的野生动物的可能性一直使电影制片商感到兴奋。Thepossibility______________________hasalwaysexcitedfilmmakers.10.要想克隆灭绝动物，我们还有很长的路程要走。Weare______________________abletocloneextinctanimals.ofcloningfierceandextinctwildanimalsalongwayfrombeingWearefarfrombeingabletocloneextinctanimals.11.不时地会有人提议，克隆技术将有可能使地球上已经灭绝的动物(如恐龙)复活。________________peoplesuggestthattheanimalsthathavedisappearedfromtheearth,likedinosaurs,canpossibly____________________throughcloning.12.另外一些能存活下来并且把这种抗病能力传给下一代。Otherswillsurviveand_______theability___________thatdiseasetotheirchildren.Fromtimetotimebebroughtbacktolifepassontoresist13.就我们现在所知，你不可能克隆那些已经绝种了一万年以上的动物。_________________weknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10,000years.BasedonwhatAsfarasThewriterofthetext_____

isexcitedbythepossibilityofcloningfierceandextinctanimalsB.believesthatextinctanimalscanbebroughtbacktolifebycloningC.thinksitimpossibleorunsuitabletocloneextinctanimalslikedinosaursD.dreamsofdinosaursreturningtotheearth2.Wecaninferfromthetextthat____scientistsareexperimentingtoclonedinosaursB.dinosaurswillneverreturntotheearthC.clonedanimalswillonlyliveinthezooD.theDNAofdinosaurscanonlysurvive10000yearWhyshould’tyoucloneanextinctanimalunlessthereisenoughdiversityinthegroup?Therewillnotbeenoughgeneticvariationinthegrouptobeabletoresistnewillnesses.2.

Whyisitwrongtocloneanextinctanimalifitwouldhavetoliveinazoo?

Itisnotagoodideatocloneananimalthatwouldhavetoliveinazoobecauseitisnotasuitablehabitattodevelopandincreaseitsnumbers.Thezooisnotanaturalenvironmentforawildanimal.3.

Whycan’tyouclonetheDNAofanimalsthathavebeenextinctlongerthan10,000years?

TheDNAofanimalsmorethan10,000yearsoldisnotsuitableforcloning,foritcan’tsurvivesolong.一、单词拼写Thebrothersd_________widelyintheirtastes.2.Thequestionisquites______________,whilethatoneismuchmorecomplicated.3.Itisquited_________tohearthebadnews.4.Smokingisf__________inpublicplaces.5.Hissuggestionsoundsquiter__________tomostofus.iffertraightforwardisturbingorbiddeneasonable6.Thefilmwasa_________(商业的)success.7.I’dliketocome,too,ifyouhaveno______(反对).8.He___________(仅仅)askedusournames.9.Therewerestrong____________(争论)forandagainsttheplan.10.Healwaysmanagedto__________(得到)mercialobjectionmerely/justargumentsobtain二、句型转换11.Atthebeginning,hewasagainstmyproposal.However,intheend,hewasforit.Atfirsthedisagreedwithmysuggestion,butatlasthewas__________it.12.Latertheylearntthatanearthquakehadtakenplaceinthatarea.Then____________thattheareahadbeenhitbyanearthquake.infavorofcamethenews13.Althoughhewasnotstrong,hejoinedinthework.__________weakness,hetookpartinthework.14.Wearestillfarfrombeingabletocloneextinctanimals.Wearestill__________frombeingabletocloneextinctanimals.Despitehisalongway15.Theydon’tknowifthenewpolicyisintheirfavor.They_________________thisnewpolicycanbringbenefittothem.16.Haveyouanyobjectiontomyopeningthewindow?Wouldyou__________myopeningthewindow?wonderif/whetherobjectto使沮丧___________________反对______________________赞成;支持________________一定;注定(做)_____________不时;偶尔________________使复生___________________偿清;取得成功____________一直;总是________________castdownobjectto/haveobjectiontoinfavorofbeboundtodofromtimetotimebring…backtolifepayoffallthetime另一方面__________________引起道德问题______________对…产生巨大影响______________一阵强烈的反对________________医疗救助__