Unit9HumanBiologyLesson1Tocloneornottoclone课件高中英语北师大版选择性

Unit9HumanBiologyLesson1Tocloneornottoclone?Whatdoyouknowaboutcloning?Whatadditionalinformationwouldyouliketoknow?P52

1

cell

species

toeditgenes

identicalgenes

todevelopartificially

tomakean

exactcopyof

tobreakthetechnicalbarrier

toproduceanimalmodelsUsethewordsandphrasestohelpyou.Example

Cloningcanbeused

toeditgenes.

Cloningcancreate

identicalgenes.

Cloningcanmakean

exactcopyofananimal…Example

Whenwasthefirstclonedanimalcreated?

Whyarescientistssointerestedincloning?

Whatproblemsarewefacingnow?

…Today,let'sreadanarticletoexploremoreaboutcloning.Watchthevideo.What’sthemainidea?Readingdefinition&naturalcloningartificialcloning:clonedmammalsartificialcloning:clonedprimatesthesignificanceofcloningofprimatesmoralconcernsconclusionFastReading:MatchtheheadingswiththeparagraphsPara1Para2Para3Para4Para5Para6Readthroughthearticle.Drawastructuralmaptoshowhowtheparagraphsareorganised.Task2ToCloneornottoClone?Para1DefinitionNaturalcloningParas2-4Para2:clonedmammalsArtificialcloningPara3:clonedprimatesPara4:thesignificanceof

cloningof

primatesPara5MoralconcernsPara6Conclusion...的过程①Cloningistheprocessof

makinganexactcopyofaplantoranimalanddevelopingiteithernaturallyor

artificially.Naturalcloninghasbeengoing

on

for

generations.Forexample,gardenershavebeenusingaformofcloningwhentheytakeacuttingfromaplantandplaceitina世世代代园丁goon发生;进行要么...要么...一种形式when引导时间状语从句n.(用来插种的)插枝，插条...的过程对...精确复制suitablemedium,suchassoil.Anotherexampleofnaturalcloningisidentical

twins,whoareproducedfromthesameegg.相同的例如who引导非限制性定语从句，充当主语，修饰identicaltwins②Foryears,therehadbeenattemptstocloneanimalsartificially.ThefirstsuccessfullyclonedanimalwasasheepnamedDollyin1996.Atfirst,Dollygrewnormally,butlatershedevelopedanillness

(thatismorenormallyfoundinmucholderanimals.)Shelivedforsixandahalfyears,起初much修饰比较级患病attempttodosth.试图做某事过去分词作后置定语that引导定语从句，修饰illnessonlyhalfthelifeofthesheep(fromwhichshewascloned.)AfterDolly,scientistshaveclonedmorethan20mammalspecies,includingcamels,cattle,deer,dogs,goatsandmice.However,theyhavefoundasimilarpatternofhealthproblemswiththeseotherspeciesaswell.Thishasledto

超过leadto引起也“介词+关系代词”引导的定语从句相似的健康问题questionssuchas,“Willthisbeamajorissueforallclonedanimals?”“Willitcontinuetohappenforever?”.主要问题continuetodosth.继续做某事③InJanuary2018,thecloningoftwolong-tailedmonkeys,ZhongZhongandHuaHua,wasannouncedbyChinesescientists.Theywerethefirst-everprimates(theorderofmammals

whichincludeapes,monkeys,andhumans)tohavebeencloned!首次的，前所未有的

the+序数词+名词+todosth第...个做某事的...n.目引导定语从句，修饰先行词mammals

Incomparisonwithotherspecies,cloningprimateshasprovedtobe“muchharder”,anddoingsowithnon-reproductivecellswasevenmorecomplicated.与……比较provetobe

被证明是，证明为Dr.SunQiang,directoroftheresearchteam,saidtheyhadbeenwhollydevotedtotheresearchandhadbeentakingcareofmorethan1,000monkeys24hoursaday,7daysaweekformorethan5years.Therehadbeenanumberoffailuresbeforetheyeventuallyfoundawaytosuccessfullycloneamonkey.bedevotedto(doing)

专心于/致力于…takecareof

照顾许多

区分：thenumberof

...的数量

做某事的方法Thereason(theyworkedsohardtobreakthistechnicalbarrier)wastogetanimalswitheditedgenesandproduceanimalmodels(that

arehelpfulformedicalresearchandhumanhealth.)省略why的定语从句，修饰先行词为reasonbehelpfulfor

对...有帮助that引导定语从句，修饰先行词animalmodels④Thesuccessfulcloningofprimateshasledtoworldwidepraiseasahugebreakthrough(that

mightleadto

curesforvariousdiseasesandmayalsooffercluesonhowtopreventtheagingprocess).Withthistechnology,wehavethepotentialto

raise

alargenumberof

monkeyswithidenticalgenesinashort

amountoftime,andwecaneven大量的引起，导致培育；提出；引起；举起衰老进程引导定语从句，修饰先行词breakthrough有可能changetheirgenestosuitresearchneeds.Thiscouldhelpsave

researchtime,reducethenumberof

animals(requiredfortesting),producemoreaccurate

results,andleadtomoreeffectivetreatments....的数量savetime节约时间过去分词作后置定语⑤Cloning,however,continuestobeanissue

(thatcausesagreatdealofdisagreementandprovokesstrongemotions).

While

somepeoplebelieveitiscrucialforscientificadvancement,othersraisemoralconcerns.becrucialto/for...

对…至关重要大量的

(后跟不可数名词)while引导的让步状语从句“尽管”itis+adj.+forsb.+todosth.对某人而言做某事是...的引导定语从句，修饰先行词issueTheybelieveitisboundtoleadtothecloningofotherspecies,andtheyworryabouttheethicalquestions

(thisraises.)Forexample,theywonderifclonesshouldbetreatedasobjectsorasindividualswiththeirownidentity.担心被作为；当作……来看一定省略that/which的定语从句if引导宾语从句”是否”Furthermore,clonesmaybeviewedasmerecopiesoforiginalsthusbeingseenasinferior.Finally,theyworrythatsomeorganisationsmayabusethetechnologyforunethicalpurposes.而且被看作是

beseenas

被视为that引导宾语从句

Readparagraphs4-5.Listthepotentialbenefitsof,andmoralconcernsaboutcloningprimates.Addyourownconcerns.Thenshareyournotesingroup.Task4PotentialbenefitsMoralconcerns∙

willleadtocuresfor

variousdiseases∙

hasrefreshedthe

technicalpossibilityof

cloningofotherspecies∙preventaging∙saveresearchtime∙reducethenumberof

animalsbeingtestedon∙producingmoreaccurate

results

∙bettertreatments∙clonesshouldbetreatedasobjectsorindividuals∙clonesareinferior∙someorganisationsmayabusethetechnology⑥Sofar,itisstillunknown(whatwillhappentoZhongZhongandHuaHuaastheygrowup).Researchersinsistthatthescienceofcloningshouldbefurtherexploredandadvanced.AsEinsteinsaid,“Scienceisapowerfulinstrument.Howitisused,whetheritisablessingoracursetomankind,目前为止whether...or...

是…还是…insistthat从句,表示坚持认为时,从句用虚拟语气：(should)＋动词原形长大what引导主语从句，it作形式主语IntensiveReadingTocloneornottoclonedefinitionnaturalcloningPara1artificialcloningPara2-4clonedmammalsPara2clonedprimatesPara3thesignificanceofcloningofprimatesPara4Drawastructuralmaptoshowhowtheparagraphsareorganised.ToCloneorNottoClone?Para.1Definitionofcloning.Para.2-3SuccessfulattemptsatcloningDolly:aclonedsheep

ZhongZhongandHuaHua:twoclonedlong-tailedmonkeysPara.4-5DebateoncloningPositive:Successfulcloningleadstogreatbreakthroughs.Negative:CloningalsocausesdisagreementsandprovokesStrongemotions.Para6:Theauthor’sattitudes.Aknifeisuseful,butitcanalsokill.Completethesummaryusingtheinformationinthearticle.Naturalcloninghastakenplaceforgenerations.Anexampleofthisisidentical1._____.AsheepcalledDollywasthefirstmammaltobecloned2.__________.SinceDolly,morethan20mammal3._______havebeenclonedincludingcamelsandgoats.In2018,Chinaannouncedthattwomonkeyshadbeencloned.Incompa