新课标人教版选修八Book8-Unit2-Reading复习课程

cloning

Reading

第一页，共32页。Naturalclone

isonethatoccurs

inanaturalformofcloning

withouthumanhelp.Man-madecloneisonethatproducedthroughhumanintervention(介入(jièrù)).第二页，共32页。Inpairs,lookatthesepicturesanddiscusswhichonesarenaturalclonesandwhichonesareman-made.Explainhowtheydiffer.Discussion第三页，共32页。AstrawberryplantNaturalclone第四页，共32页。Growingnewplantsman-madeclone第五页，共32页。TwinsNaturalclone第六页，共32页。DollythesheepShewascloned

while

theotherswerebornnaturally.Dollywasa______sheep.clonedHowdoesDollydifferfromothersheep?man-madeclone第七页，共32页。Preview:ⅠFindthewordsorexpressionsforeachofthefollowingmeaningsfromthetext.A._object_

refuse,beagainst

B._complicated_

madeupofmanypartsC._breakthrough__

developmentordiscovery

D._procedure__

orderofdoingsomethingE._commercial_

buyingorsellingofgoods

F._exact__

thesame,precise

H._obtain_

gain,getI._merely_

only;simply

J._forbid________useforceagainstK._bother_trouble,disturb

第八页，共32页。ⅡMarkthephrasesinthetextandwritethemdown.1用来生产与原型完全相同的动植物的方法awayofmakinganexactcopyofanotheranimalorplant2在性别和相貌上insexandappearance3生产大量的供商用的植物producecommercialquantitiesofplants4克隆植物Cloningplants5得到回报payoff6从—取出remove7一方面onetheonehand8坏消息thedisturbingnews9病地很严重becomeseriouslyill10沮丧的castdown11适合，更容易发生在beappropriateto12同样无法控制的命运thesamearbitraryfate13另一方面ontheotherhand14引起(yǐnqǐ)强烈的反对raiseastormofobjections15对—媒体和公众的想象力产生极大的影响haveagreatimpactthemediaandpublicimagination16打开人们的眼界openeveryone’seyesto17实现他们的野心attaintheirambitions18提出道德问题raisemoralquestions19收集证据accumulateevidence第九页，共32页。ⅢTranslation:1Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.克隆植物(zhíwù)简单，但是克隆动物就比较复杂了

2Butatlastthedeterminationandpatienceofthescientistspaidoffin1996withabreakthrough—thecloningofDollythesheep.但是，科学家的决心和耐心最终得到了回报，这就是1996年具有突破性的克隆羊“多莉”的诞生。3Thefactthatsheseemedtodevelopnormallywasveryencouraging.多莉看来是在正常的成长着，这很令人鼓舞。4ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.接着传来了多莉病重的坏消息。5CloningscientistswerecastdowntofindthatDolly'sillnessesweremoreappropriatetoamucholderanimal.研究克隆的科学教发现多利得的病更容易发生在年老的羊身上。这让他们很沮丧。6Ontheotherhand,Dolly'sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.另一方面，多莉的出生引起了一阵强烈的反对,对媒体和公众的想象力也产生了巨大的影响。第十页，共32页。ⅣConcludethemainideaofeachpartsortheycanmatchthetopicswitheachparagraph:Para.1Cloningisawayofmakinganexactcopyofanotheranimalorplant.Para.2Cloninghavetwomajoruses.Para.3TheproblemsofDollyPara.4TheeffectofDollyPara.5Itisforbiddentoclonehumanbeing.第十一页，共32页。Reading：CarefulreadingⅠReadthepassagecarefullyandchoosethebestanswerforeachquestion.1).Themainideaofthepassageis___________

A.animalcloningisveryvaluableandcanbenefittheworld.

B.animalcloningcouldbemisusedbybadpeoplesoitmustbeforbidden.

C.animalcloningiswelldevelopedbecauseDollythesheepwasborn.

D.animalcloningraisedargumentsandscientistsarenotsureaboutitsfuture.2).Inthesecondparagraph,theword“straightforward”means____.A.uncomplicatedB.honestC.frankD.difficult

第十二页，共32页。3).Wecaninferfromthelastthreeparagraphsthat___.A.ThenormaldevelopmentofDollyhadnoeffectonthecloningofotherspecies.B.Dolly’sseriousdiseaseandfinaldeathdisturbedthewholeworld.C.Dollysuccessfullyclonedanewlambwiththehelpofcloningscientists.D.Therewereargumentsaboutanimalcloningandconcernsaboutthefutureofcloning.4).Itcanbeinferredfromthepassagethataclonedanimal__________

A.usuallylivesaslongastheoriginalone.

B.usuallyliveslongerthantheoriginalone.

C.usuallydiesearlierthantheoriginalone.

D.isusuallyashealthyastheoriginalone.5).Whataboutthewriter’sattitudetowardcloninginthispassage?A.Thewriterisagainstcloning.B.Thewriterisinfavorofcloning.C.Thewriterdoesnotstateanypersonalopinionaboutcloning.D.Thewriterisinagreementwithcloning.第十三页，共32页。ⅡReadthepassageandanswerthefollowingquestions.1Whatarethetwomajorusesofcloning?

Thefirstuseistoproducecommercialquantitiesofplants.Thesecondistoresearchonnewplantsspeciesanddomedicalresearchonanimals.

2Whyisiteasiertomakecommercialplantclonesthananimalclones?

Cloningplantsisstraightforward,butthecloningofanimalsisverycomplicated.

第十四页，共32页。3Whatwasthefirstclonefromanadultanimal?Atwhatagedidthisclonedie?

ThefirstclonefromanadultanimalwasDollythesheep.Shediedin2003.

4Whyiscloningcontroversialinsomecountries?

Cloningiscontroversialinsomecountriesformoralandreligiousreasons.第十五页，共32页。ⅢWhatdoyouthingiswriter’spointofviewinthisradingpassage?Isitinfavorofcloningoragainstit?Ithinkthewriteris

(impartial〈无偏见的〉/for/against)because

.impartialheorshedoesnotstateanypersonalopinionaboutcloning第十六页，共32页。theauthordoesnotstateany

personalopinionaboutcloning.A.Objective(befair)

B.Negative(beagainstit)C.Positive(beinfavorofit)Thewriter’sattitudetowardscloningBecause_________________________________________________________________第十七页，共32页。Postreading=Discussion按照下列(xiàliè)要点连成一篇短文1Whatiscloningandwhat’sthedifferencebetweencloninganimalsandplants?2WhywerecloningscientistssocastdownforDollyandwhatinfluencedidtheDolly’sappearancehave?3Areyouinfavoroforagainstcloninghumanbeing?Showyouropinions.第十八页，共32页。Asweallknow,cloningisawayofmakinganexactcopyofanotheranimalorplant.Cloningplantsisstraightforwardwhilecloninganimalsisverycomplicated.Fortunately,itwasthankstothedeterminationandpatienceofthescientiststhatthefirstclonedanimalDollythesheepwasborn.However,Dollywasquicklyseriouslyillanditsillnessesweremoreappropriatetoolderanimals.Ontheotherhand,Dolly’sappearanceraisedastormofobjectionsandhadagreatimpactonthemediaandpublicimagination.Asforcloninghumanbeings,itisdifficulttosaywhetherit