高考英语一轮复习Unit2Cloning学案

11Unit2Cloning克隆晨读·记忆BeCarefulaboutCloningAfteraseriesofinitialexperimentsandcorrections,thescientist’shardworkpaidoffwhenthetwincloneturkeyswerehatchedwithnormalfeatherandclaws.Thisbreakthroughpossiblyenabledpeopletobringtheiradoredpetsbacktolife.However,itbotheredhimfromtimetotimethattheirhealthwasinpoorconditionbecausetheywereunabletoresistillnesses.Thisdrawbackcasthimdown.Merely2weekslater,theclonesandtheircarrierdied,whichstruckfrustrationintohisheart.Heretiredbeforeheattainedhisambitionandbecameamemberofanoperachorustorelievehisdepression.Shortlyafterwards,themediapublishedaconservativeargumentobjectingtocloningowingtomoralproblems,andsuggestedtheconstitutionincludecompulsoryregulationstoforbidobtainingcommercialprofitsfromcloning.Wheninterviewed,thescientiststaredatthedecorationsontheceiling,thinkingforawhile,andthensaid,“I’mnotinfavourofanyarbitraryassumption,butundertakingcloningdoesdifferfromthestraightforwardprocedureofmakingloafsoutofflour.Untilweaccumulateenoughexactknowledge,anypracticeisinvainandisboundtofail.Altogether,beingmorecarefulisreasonableorwemaywalkintoasideroad.”谨慎对待克隆在最初一系列的实验和修正之后，科学家的辛苦工作终于取得了成功，一对双生的克隆火鸡孵化出来，羽毛和爪子都很正常。这一突破或许能让人们使他们喜爱的宠物死而复生。然而，使他不时地烦恼的是，因为它们无法抵抗疾病，使得它们的健康状况极差。这个缺点让他很沮丧。仅仅过了两个星期，克隆体和母体都死亡了，这使他内心里充满了挫折，他也因此在达到自己目标前就退休了，并选择加入歌剧合唱团来减轻消沉的感觉。之后不久，媒体就因为道德问题而发表了反对克隆的保守论点，并且建议宪法应该包括强制性的法规禁止通过克隆获得商业利益。当被采访时，科学家盯着天花板上的装饰物思考了一会儿，说：“我不赞成任何任意的假设，但是从事克隆与用面粉制作面包的简单过程确实不大相同。在我们积累了足够的准确知识前，任何实际操作都是徒劳无功的，注定会失败。总而言之，更加谨慎地对待克隆是合理的，否则我们或许会误入歧途。”I.单词盘点1.___________(vi.)不同；相异→__________(adj.)不同的2.___________(adj.)精确的；准确的3.___________(n.)双胞胎之一；孪生儿之一(adj.)成对的；成双的4.___________(adj.)商业的；贸易的5.___________(adj.)简单的；直接的；坦率的6.__________(vt.)(undertook;undertaken)着手;22从事;承担7.___________(n.)突破8.___________(n.)程序；步骤；手续9.___________(n.)携带者；搬运工；运输工具10.__________(vt.)(cast;cast)扔；投；掷11.__________(adv.)总共；完全地12._________(adj.)任意的13.__________(n.)改正；纠正；修正14.__________(vi.)反对；不赞成→___________(n.)不赞成；反对；异议15.__________(n.)(plmedia)媒介；手段；工具16.__________(vt.)获得；赢得17.__________(vt.)获得；达到(水平、年龄、状况等)18.__________(adj.)道德(上)的；伦理的19.__________(adj.)保守的；守旧的20.__________(vt.)(forbade,forbad；forbidden)禁止;不准21.__________(vt.&vi.)积累；聚积22.__________(n.)宪法；章程23.__________(adj.)必须做的；义务的；强迫的；强制的24.__________(n.)歌剧；歌剧团；歌剧院25.__________(n.)合唱；合唱队26.__________(n.)一条(面包)27.__________(n.)面粉28.__________(vt.)欠(账、钱、人情等)；归功于29.__________(adv.)立刻；不久30.__________(vi.)退休；离开→__________(n.)退休31.__________(vt.)打扰(vi.)操心(n.)烦扰32.__________(n.)假定；设想→__________(vt.)假定；设想33.__________(n.)规则；规章；法规34.__________(vt.&vi.)打；撞击；罢工n.罢工35.___________(adj.)最初的；开始的36.___________(adj.)虚荣的；自负的；徒劳的37.___________(vt.)抵抗；对抗38.___________(n.)缺点；不利条件39.___________(adv.)仅；只；不过40.___________(n.)装饰41.___________(adj.)不能的；不会的42.___________(n.)羽毛43.___________(n.)火鸡44.___________(n.)爪；脚爪45.___________(vt.)崇拜；爱慕；喜爱46.___________(vt.&vi.)孵出；孵卵；孵化47.___________(adj.)合情理的;讲道理的;公道的II.短语回顾1.得到好结果；取得成功；偿清__________________2.沮丧；不愉快__________________3.赞成；支持__________________4.一定或注定(做)……__________________5.使……刻骨铭心__________________6.不时；偶尔__________________337.使复生；使复活__________________8.白费力气；枉费心机__________________9.状况/情况很好(坏)__________________10.把……归功于……__________________11.反对__________________III.句式扫描1.Thefactthatsheseemedtodevelopnormallywasveryencouraging.(教材P11)看来多莉是在正常地成长着，这很令人鼓舞。2.ThencamethedisturbingnewsthatDollyhadbecomeseriouslyill.接着传来了多莉病重的坏消息。3.Theadvantageisthatifthereisanewillnesssomeoftheseanimalsmaydie,butotherswillsurviveandpassontheabilitytoresistthatdiseasetothenextgeneration.其优点是如果发生某种新的疾病，这类动物中的一些可能会死掉，但是另外一些却能存活下来，并且把这种免疫力传给下一代。4.Basedonwhatweknownow,youcannotcloneanimalsthathavebeenextinctlongerthan10,000years.就我们现在所知，你不可能克隆那些绝种了一万年以上的动物。IV.小试牛刀Ⅰ.单词填空1.Atlast，hishardworkingearnedhimalotafterhe__________(retire)．2.Lastnight，theearthquake___________(strike)theplace，makingmuchdamage.3.Itis_______________(forbid)tosellalcoholtothoseundertheageof18here.4.Atthatmoment，Icouldn'tsayanything____________(owe)tomysadness.5.Theywereaskedto______________(regular)thetraffic.6.I'msorrytohave______________(bother)youwithsomanyquestionsonsuchanoccasion.Ⅱ.短语填空shortlyafter，infavorof，payoff，taketurns，differfrom，haveagreatimpacton，beappropriateto，objectto，beboundto1.Manypeople_____________________experimentationonanimals.2.Ittookthemthreeyearsto___________________thedebt.3.Man_________________beastsinthattheformerisabletolaugh，whilethelatteraren't.4.They____________________tolookafterthebaby.5.Intheirdiscussion，Iwas__________________Ms.Li.6.Warningsaboutthedangersofsmokingseemto_______________thatagegroup.7.Johnpassedthroughadifficultperiod_____________________hismother'sdeath.8.Hisformalstyleofspeaking____________________theoccasion.9.We________________winthevictory.Ⅲ.单句填词1.TheUnitedNationswassupposed_________________.(undertake)responsibilityforglobalpeacekeeping2.Hestronglyobjectsto______________(be)treatedlikeachild.3.___________(owe)totherain,thematchwascancelled.4.Thefact____________hehasfailedseveraltimesmakeshimveryupset.5.Thenews__________housepriceswillfall