Ⅰ.词汇：根据提示写出相应单词。1．________(vi.)不同；相异→________(adj.)不同的→________(n.)差异，区别2．________(adj.)商业的；贸易的→________(n.)商业，贸易3．________(vt.)着手；从事；承担→________(过去式)→________(过去分词)4．________(vt.)扔；投；掷→________(过去式)→________(过去分词)5．________(n.)改正；修正；纠正→________(vt.)6．________(vi.)反对，不赞成→________(n.)7．________(n.)媒介；手段；工具→________(pl.)8．________(vt.)禁止；不准→________(过去式)→________(过去分词)9．________(vt.)积累；聚积→________(n.)答案：1.differ;different;difference2.commercial;commerce3．undertake;undertook;undertaken4.cast;cast;cast5．correction;correct6.object;objection7.medium;media8．forbid;forbade/forbad；forbidden9.accumulate;accumulationⅡ.短语：1．differ________与……不同2．pay________得到好结果；偿清3．cast________沮丧；不愉快4．object________反对；不赞成5．haveagreatimpact________对……有重大影响6．________favourof赞成；支持答案：1.from2.off3.down4.to5.on6.inⅢ.课文概述：根据课文内容进行填空，每空限填一词。Cloningisawayofmakinga(n)__1__copyofanotheranimalorplant.Cloningplantsis__2__whilecloninganimalsisverycomplicated,whichisveryhardto__3__.Butthescientistsmadea(n)__4__in1996,withthesuccessfulcloningofDolly.However,Dollybecameseriouslyill,whichmadethecloningscientistscastdown.__5__，Dollylivedsixandahalfyears.Sadly,thesame__6__fateaffectedotherspecies.Andscientistswereconcernedaboutmakingcorrectionintheirresearchprocedure.Astormof__7__wasraisedbyDolly'sappearance,whichhadagreatimpactonthemedia.Andsomegovernmentsbecamenervousand__8__andbegantoreformtheirlegalsystemand__9__researchintohumancloning,whileothercountriescontinuedto__10__evidenceoftheabundantmedicalaidthatcloningcouldprovide.However,itstillremainstobefoundbythescientistswhethercloningisharmfulorhelpfultohumanbeings.1．________2.________3.________4.________5．________6.________7.________8.________9．________10.________答案：1.exact2.straightforward3.undertake4．breakthrough5.Altogether6.arbitrary7.objections8.conservative9.forbade10.accumulate1．exact(adj.)1)精确的；准确的Itwasdifficulttotellherexactage.很难说出她的真实年龄。2)严谨的；严格的；一丝不苟的Thescholarisanexactthinker.这位学者思维严谨。3)(科学)精密的；严谨的Weneedexactinstruments.我们需要精密仪器。【知识拓展】1)exactly(adv.)(1)精确地；准确地；确切地Theymetin1989andgotmarriedexactlytwoyearslater.他们1989年相遇，刚刚过了两年就结婚了。(2)(答语，表示赞同或强调正确)“一点不错，正是如此，完全正确”。—SoshewantstosellthehouseandmovetoLondon.—Exactly.“那么说，她是想把房子卖掉，搬到伦敦去。”“对。”2)notexactly(1)(纠正对方刚说过的话)不完全—Sohetoldyouyou'dgotthejob?—Notexactly,buthesaidtheywereimpressedwithme.“那么他说这个工作归你了？”“不完全是这样，但是他说他们对我的印象不错。”(2)(说反话时用)根本不；绝不；一点也不Hewasn'texactlypleasedtoseeus——infactherefusedtoopenthedoor.——他并不是很乐意见到我们他甚至拒绝开门。【词语辨析】exact,right,true,correct，accurate这些形容词均含“准确的，正确的”之意。1)exact着重在质与量方面的准确，语气比accurate强。Idon'tknowtheexactsizeoftheroom.我不知道这个房间的确切面积。2)right使用广泛，可与这些词中的correct换用，但常暗示道德、理解、行动等方面的正确。Theeditorswererighttorefusethisarticle.编辑们不接受这篇文章是有道理的。3)true暗指绝对准确，尤指复制品与原件丝毫不差。Isittrueyou'regettingmarried?你要结婚是真的吗...
