Module 5 Cloning

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WelcometomyEnglishclass!Dolly(1997---2003)Module5CloningandDNA(Readingandwriting)Fast-reading1.WhatisDNA?2.Whatisaclone?3.What’rethecharacteristicsofstemcells?DNAisatransparenttwistingladdermadeofthefundamentalcomponentsoflife.1.WhatisDNA?2.Whatisaclone?Acloneisanorganismwhichisgeneticallyidenticaltoanotherone.Stemcellsareveryflexibleandcandevelopintoeveryothertypeofcellinthebody.3.What’rethecharacteristicsofstemcells?MendelWatsonandCrickBoyerCohenDetailedreadingI.Para.1---Para.3TimeScientistDiscovery186619531973MendelWatsonandCrickCohenandBoyerbothparentplantshaveinfluencedthegeneticmake-upofthenewplantThestructureofacidDNAAproceduretouseenzymestounziptheDNA,tocutoutasequenceofgenesandfinallyinsertthemintothehostcellandcombinewithitsDNAMendelWatsonandCrickBoyerCohen1.Cloninghumansfromtheirparentshasthedisadvantagethat_______.A.ItisatreatmentforcoupleswhowantchildrenB.ItcouldcreateanexceptionalhumanbeingC.WecannotpredictthepsychologicaleffectsD.TheclonemaynotleadthesamelifeII.Para.4---Para.62.WhichsentenceinthePara.4canbereplacedbythefollowingone?Ifonewasacloneofhisfatherormother,hischildhoodwouldbefullofunknownpsychologicalpressure.…anyonewhowasacloneofoneoftheirparentswouldbeunderunknownpsychologicalpressurethroughouttheirchildhood.1.AclonedEinsteinwillbethesamewiththeoriginalone.2.Stemcellscan’tdevelopintoeveryothertypeofcellinthebody.3.Theunacceptableembryowouldbewasted.FFTTrueorfalse但是克隆出来的爱因斯坦选择的人生道路可和“原版”爱因斯坦的选择大相径庭。ButanEinsteinclonemightchooseapathinlifewhichiscontradictorytotheonetheoriginalEinsteinchose._____________________________________________________________________.TranslationNormalcowsClonedcowSolvecrimesAfourthreasonfor_______isthatsomescientistsandfarmersthinkitwouldbe______toclone,forexample,aprizecowwhichcan______bacteriaordisease,ortosowa_______cropwhichcanresistrotorpests.Butto_______afewclonedanimalsorcropswouldrestrictthebiodiversityofthebreed.Finally,the_____researchintoDNAhashelpedsolvecrimesby_________thesuspect’ssaliva.III.ListentoPara.7andPara.8.cloninghandyresistclonedrelyonlatestanalysingSummaryTherearemanyvalidreasonsforcloning.Thefirstreasoniscloningcanbean_______treatmentforcoupleswhofindit_______tohavechildren.Anotherreasonistoproducethetalentsof__________humanbeings.Afurtherreasonistoobtaina_______ofstemcells.Afourthreasonforcloningisthatsomescientistsandfarmersthinkitwouldbe______tocloneaprizecowwhichcan_____bacteriaordisease,ortosowa______crop.Finally,the_____researchintoDNAhashelpedsolvecrimes.optionaldifficultexceptionalsupplyhandyresistclonedlatest________________________________________Tosumup,Istronglysurportthescienceofcloning.Dolly(1997---2003)SoonafterwardsAnti-cloningprotests(反克隆抗议示威)tookplace.赞成理由1.克隆技术可挽救濒危动物2.可再造人体器官来移植,为老人和病人带来福音3.…….Writeaparagraph最近国内一家英文报纸正在讨论人类是否应该展开克隆研究的问题,以下是你所在班级的讨论情况。请你据此给该报编辑写一封信,告诉他同学们的观点,并表达自己的看法。Group1反对理由1.克隆容易造成各种基因的不良变异。2.克隆人的出现会使法律、伦理道德混乱。3.……Group2Usefulwords1.变异variation2.移植transplant3.道德的ethic4.器官organ5.对…….有利bebeneficialto6.滥用abuseSTRUCTURETopicsentenceReasontwoReasononeReasonthreeClosingsentenceProof-reading(写后检查)Group-evaluating(互评)Howmanymarkswillyougivehimorher?1.Isthereagoodtopicsentence?3’2.Arethereenoughlogical(逻辑的)reasons?10’3.Arethereanyconnectingwords(连接词)?4’4.Isthereaproperclosingsentence?3’Homework1.Findmoreinformationaboutcloning.2.Perfectyourwriting.Writingisbuildingyourwordsintoawell-organizedstructure.Yourwritingwillbethecloneoftheclassicworks(经典作品).

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