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1、Unit2Cloning1课文与语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。Cloningisawayof1(make)anexactcopyofanotheranimalorplant.Ithastwomajoruses.Oneis2gardenersuseittoproducecommercialquantitiesofplants.Theotheristhatitis3(value)forresearchonnewplantspeciesandformedicalre
2、searchonanimals.4_,theprocessofcloningisdifficult5(undertake)・Manyattemptstoclonemammalsfailed.Thefirstsuccessfulclone,Dollythesheep,madethewhole6(science)worldfollowitsprogress,thoughithad7prob1emsthanthenormalsheep.Ontheotherhand,Dolly，sappearancerais
3、edastormof8(object)andhadagreatimpact9themediaandpublicimagination・Differentpeoplehavedifferentopinionsonit.However,scientistsstillwonderwhethercloning10(help)orharmusandwhereitisleadingus.1.2.3.4.5.&7.8.9.10.2课文与短文改错根据课文内容，对下面材料进行修改。文中共有10处语言错误,每句中最多有两
4、处。每处错误仅涉及一个单词的增加、删除或修改。Thepossibilityofcloningfierceandextinctwildanimalshavealwaysexcitedfilmmakers.Andtheyarenottheonlyones-Thepopular!tyoffilmssuchasJurassicPark,fromwhichascientistclonesseveralkindsofextinctdinosaurs,provesthatordinarypeopleareinter
5、estinginthesubject.Butinthefact,wearealongwayfromabletocloneextinetanimals.Fromtimetotimepeoplesuggestthatextinetanimallikedinosaurs,canpossiblybebroughtbacktothelifethroughcloning.Unfortunate,withwhatweknownow,thisiseitherpossibleorunsuitable.Sothechan
6、eeofdinosaurseverreturntotheearthismerelyadream.3话题知识与写作I.根据提示翻译下列句子。1.据我所知，人们对于克隆技术尤其是在克隆人方面分歧相当大。(differ)2•—些人支持它的发展，他们认为这项技术一定会有利于医学的发展。(infavourof;beboundto)3•相反，另一些人害怕克降会引起一系列的道德问题，对社会的发展造成危害。(onthecontrary)4•我认为，只要所有的人都遵守规则，承诺合理应用它,克隆将会取得成功。(aslon
7、gas)5.克隆将会对社会的发展做出更多贡献,科学家们的努力也不会付之东流。(invain)II•将以上句子连成一篇语言流畅.用词准确、逻辑严密的短文。答案精解精析1.课文与语法填空1・mdking2・that3・valuable4.However5.toundertake6.scientific7・more8.objection(s)9.on10.willhelp2.课文与短文改错harmThepossibilityofcloningfierceandextinetwildanimaIs®hasal
8、waysexcitedfilmmakers.fromAndtheyarenottheonlyones.ThepopularityoffilmssuchasJurassicPark,②which广、interested③interestingascientistclonesseveralkindsofextinctdinosaurs,provesthatordinarypeopleareAinthesubject.Butin④召fact,wearealon
