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1、外研版高中三年级外研版高中三年级(第第9册册)Module2ReadingandvocabularyOnFebruary28,1953,twoscientistsnamedJamesWatsonandFrancisCrickdiscoveredthesecretoflifeJamesWatsoninBritainandFrancisCrickinAmericaPart1Why did Watson and Crick say, “We have discovered the secret of life?” Becausetheyhadfoundtheanswertooneofthemosti
2、mportantquestionsofbiology-howdolivingthingsreproducethemselves?Why did the discovery of DNA is very important? The discovery of DNA has been called the most biological work of the last 100 years. It has already had and will continue to have an enormous influence on our lives. We have already experi
3、enced the benefits in many years. Part2StoryAHowwasJohnWaterjudgedguilty?Heleftsomeofhisowncellsonhisvictim.ScientistscomparedtheDNAfromthesecellswiththeDNAfromthesecellswiththeDNAofpeopletheyhadquestioned.Story B How did Mike and Julia have a good Looking,very intelligent child ? Juliahadasmallbutv
4、eryexpensiveoperation,usingatechnologycalledgeneticengineering.Story C How did Mark Sawyer become a world championagain? HeletthesurgeoninsertananimalgeneintoMarkthatwouldmakehimrunfaster.Story D What happened to the couple ?Their child will be born with a terrible, inherited illness. What did they
5、decide to do?The couple decided to get rid of the unborn baby.Part 3 Do you think stories AD in part 2 are true? StoriesAandDhaveactuallyhappenedmanytimes.StoriesBandCwillbecomepossibleinthenearfuture.What will genetic engineering help scientists to do in the near future?Thenewtechnologyofgeneticeng
6、ineeringmeansthatscientistswillsoonbeabletoinsertnewgenesintounbornbabies,childrenoradults.What will happen if we start choosing the characteristics of our babies?Wearealteringnatureinaverydirectway.What might the consequences be? Itispossiblethatwewillcreatetwokindsofpeople,mitamurdercoupleheredita
7、ryperformanoperationpregnantquestionreproducevictim1.howdolivingthingsreproducethemselves?Thismeans_.(a)tohavebabiesorproduceyoungplants(b)tofeedthemselves.2.ourgenes,whichpasshereditarycharacteristicsontoourchildren.Thismeans_.(a)new(b)inheritedfromparents.(a)(b)commitamurdercouplehereditaryperform
8、anoperationpregnantquestionreproducevictim3AlthoughthepolicequestionedhimThismeans_.(a)towonderaboutsomeone(b)toasksomeonequestions4ButwhenhecommittedthemurderThismeans_.(a)killedtheman(b)sawthedeadman.5.watersleftsomeofhisowncellsonhisvictim.Thismeans_.(a)thepersonheattacked(b)hisownclothes(b)(a)(a
9、)commitamurdercouplehereditaryperformanoperationpregnantquestionreproducevictim6Aboutsixmonthsago,Marksecretlyvisitedasurgeon,whoperformedanoperationonhim.Thismeans_(a)Markhadanoperation(b)thesurgeonsaidMarkshouldhaveanoperation7.DamianPetersonandhiswifeClaraareanothercoupleThismeans_.(a)twopeoplewh
10、oaremarried(b)example8.WhenClarabecamepregnantThismeans_(a)becameworried(b)wasgoingtohaveababy.(a)(a)(b)Discussion:Whatisyouropinionaboutthedevelopmentsingeneticsingeneral?EXAMPLE:Ithinktheyreveryexciting,butweneedtobeverycareful.WedontknowwhatconsequencesofthesechangeswillbeTHANKYOU同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全
