选修8-Unit2--Learning-about-Language

Unit2CloningLearningaboutLanguageDiscoveringusefulwordsandexpressions.1Completethesentencesusingsuitablewordsfromthetext.Thefirstletterofeachwordhasbeengiven.1.Inmanyaspectsnaturalclones,suchasidenticaltwins,donotd____greatlyfromman-madeones.2.Hewasc____downwhentheprocedurehehadusedtoproduceamammalcloneendedinfailure.3.Dustwilla__________inadesertedhouse.4.Hermemoryissoexcellentthatshecouldrememberthee____namesifferastccumulatexact5.Shewasnota________pleasedatthecorrectionshemadetoherwork.(makeacorrectionto)6.Greydecidedtomovetothecountrysideandhiswifemadenoo________toit.(make/raiseanobjectionto)7.Accordingtotheconstitution,itiscompulsoryforacitizentou________militaryservice.8.Themediahasam____responsibilitytoreportnewstruthfully.ltogetherbjectionndertakeoral2Replacetheunderlinedpartswithwordsthathavethesamemeaning.Rewritethesentencewhennecessary.1.Comparedwithherfamily,andespeciallyhernephew,hernieceDaisyisveryhonestaboutheropinions.straightforward2.Thedecisionsoftheconservativefactoryleadersthathadbeenmadewithoutanyreasoncausedangeramongtheworkers.Thearbitrarydecisionsofthefactoryleaderscausedangeramongtheworkers.arbitrary3.IstheoperahouseinthebusinessareaofBeijing?4.TheproducerofthemediaprogrammedisagreedwithJenniferjoininginthechorus.commercialobjectedto5.Beforeyoucanmakealoaf,youneedtogetsomeflour.6.Youowetheladyanapology.Iwillnotallowyoutoleaveunlessyouapologizeforwhatyouhavedone.obtainwillforbid3Completethepassageusingthecorrectformofthewordsbelow.complicatedfateattaincastaccumulatereformcarrierAsFreddythefroggrewolder,heonlyhadoneambitionleftto_______–tocontinuehiscareerforever.Todothishethoughtthathewouldhavetoclonehimself.Thedoctorexplainedthatthiswasa____________procedurethatheshouldconsidercarefully.ShortlyafterFreddydidsomeresearch,hediscoveredthe_____ofDollythesheep.Itseemedasifaclonewasa______ofmoreattaincomplicatedfatecarrierweaknessesthanitsoriginal.Freddywas____downandlookedforsomewayto_______thecloningproceduretoavoidthisproblem.Sadlythisseemedimpossible.SoFreddymadeuphismindtoenjoyhissingingandto__________asmanyhappyexperiencesashecouldsothatwhenheretiredhewouldbeabletolookbackonhislifewithsatisfaction.accumulatecastreform2.Clonevt克隆n克隆物/人Cloningadj克隆的,研究克隆的,和克隆有关的[u]克隆(过程)Cloned被克隆的1)Inmanyaspectsnatural________,suchasidenticaltwins,donotdiffergreatlyfromman-madeones.2)Hewascastdownwhentheprocedurehehadusedtoproduceamammal_____endedinfailure.3)Todothishethoughtthathewouldhaveto_____himself.cloneclones4)Freddywascastdownandlookedforsomewaytoreformthe__________proceduretoavoidthisproblem.5)Some_________scientistsholdthebeliefthat__________mayleadtomanyimportantscientificbreakthroughs.6)Afiercedebatearisesoverthequestionwhetherhuman_________experimentsshouldbeallowed.7)Scientistsbelievehuman_______isjustamatteroftimebuttheassumptionthathuman___________havealreadybeenbornhasn’tprovedyet.clonescloningcloningcloningcloningcloning3.However,theproblemthatshelaterdevelopedaseriouslungdiseasebotheredscientists.然而，她后来患上严重肺病的问题困扰着科学家们。▲botherv(使)担心,(使)烦恼；困扰[u].麻烦；[具体化]引起麻烦的人或事Theproblemhasbeenbotheringmeforweeks.那问题已经困扰了我几个星期。Ican’tbotherhimwithmylittleaffairs.我不能因为自己那点小事就去打扰他。Don’tbotheraboutthattriflingmatter.别为那件不足道的小事而烦恼。Youneedn’tbothertocometomyoffice.你不必特地来我办公室。Don’tbotheryourselfaboutme.别为我担心。Ifoundthehousewithoutanybother.我毫不费力地找到了那座房子。bothertodo...费力做……bothersb.with/aboutsth.为某事打扰或烦扰某人botherwith/aboutsth.操心做某事bebotheredaboutsb./sth.认为某人/事重要;关心某人/事=botheroneselfabout为……操心；为……困扰Hedidn’twanttobotherher_____hisfinancialproblemsontheirhoneymoon.A.withB.toC.onD.through语法讲解1.同位语theAppositive同位语是句子成分的一种,它位于名词、代词后面,说明它们的性质和情况,它可以由名词、代词、名词性短语或从句充当。同位语的表现形式有以下几种：1)名词Tom,ourmonitor,isahandsomeboy.2)代词Imyselfwilldotheexperiment.3)数词Sheistheoldestamongthemsix.4)从句Hetoldmethenewsthattheplanehadexploded.他告诉我飞机爆炸的消息。5)由suchas,forexamplenamely(即),thatistosay(也就是说),inotherwords(换句话说),thatis(那就是),等引出同位语Hetoldusthegoodnews,namely,themuseumisopentoall.ThereisonlyonewayofimprovingyourEnglish,thatis,topracticemore.Somesubjects,suchasmathsandphysics,areverydifficulttolearn.6)由of引导ThecityofBeijinghasbeengreatlychangedsince2000.自从2000年以来，北京市发生了很大的变化。7)由or引导Thefreezingtemperature,orfreezingpoint,isthetemperatureatwhichwaterfreezesunderordinarypressure.结冰温度即冰点，是水在常压下结冰时的温度。同位语从句有时被别的词把它和名词隔开：注意:ThestorygoesthatWilliamTellkilledthekingwithanarrow.Wordcamethattheirteamhadwon.⑵同位语从句的表现形式:①由that引导Thefactthatyouhaven’tenoughtimetodotheworkissimplyunbelievable.Thehopethathemaycomehereisnotgoneyet.②由whether引导Thequestionwhetherweneedmoretimetodotheworkhasnotbeendiscussed.③由when引导Ihavenoideawhentheywillgo.⑤从引导词来看:引导词that在同位语从句中是连词,只起连接作用,无具体词义,that不可省略;that在定语从句中是关系代词，它在从句中充当一定成分—主语或宾语，有具体词义,作宾语时还可以省略。例如：a)Thefactory______wevisitedyesterdayisachemicalone.b)Thenews______hewillleaveforShanghaiistrue.(that)that定语从句同位语从句1.ThefactthatGreatBritainismadeupofthreecountriesisknowntous.2.Thecontinentthatconsistsoftwocountriesisdevelopingveryfast.(同位语从句)(定语从句)Ⅴ指出划线部分是什么从句。3.Thenewsthattheplanewilltakeoffontimemakeseverybodyhappy.4.Thene