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1、阅读36套分析总结Exercise1pi.①Immediatelyrelevanttogametheoryarcthesoxratiosincertainparasiticwaspspeciesthathavealargeexcessoffemales.®Inthesespecies,fertilizedeggsdevelopintofemalesandunfertilizedeggsintomales•③Afemalestoresspermandcandeterminethesexofeacheggshelaysbyf
2、ertilizingitorleavingitunfertilized.®ByFisher'sgeneticargumentthatthesexratiowillbefavoredwhichmaximizesthenumberofdescendantsanindividualwillhaveandhencethenumberofgonecopiestransmitted,itshouldpayafemaletoproduceequalnumbersofsonsanddaughters.©Hamilton,notingth
3、attheeggsdevelopwithintheirhost—thelarvaofanotherinsect—andthatthenewlyemergedadultwaspsmateimmediatelyanddisperse,offeredaremarkablycogenlanalysis.®Sinceonlyonefemaleusuallylayseggsinagivenlarva,itwouldpayhertoproduceonemaleonly,becausethisonemalecouldfertilizea
4、llhissistersonemergence-©LikeFisher,IIamiltonlookedforanevolutionarilystablestrategy,buthowontastepfurtherinrecognizingthathewaslookingforastrategy.第一句话提到一个现彖，就是thesexratioshavealargeexcessoffemales；第二句话和第三句话是辅助说明这些种群里的基本背景。到这里还只是简单地陈述，下面才提出解释。第卩4句话提出Fisher'sgene
5、ticargument,即itshouldpayafemaletoproduceequalnumbersofsonsanddaughters因为要产生最多的后代；第五句话,Hamiltonofferedaremarkablycogentanalysis,表达了作者支持H的分析；第六句话就是H的分析；第七句话就是作者对H的评价，看上去是肯定的astepfurthero本文是解释说明的文章，解释为何蜂群的雌性较多，涉及到两个人的理论，即F的和H的。这两者的理论不是对立的，而是H在F的基础上走得更远。作者对II持支持肯定态度。
6、结构上來看，先提出现象，阐述背景，提出F的理论，再提出H的分析，最后对H的分析做评价.1.TheauthorsuggeststhattheworkofFisherandHamiltonwassimilarinthatbothscicnlists(A)conductedtheirresearchatapproximatelythesametime(B)soughttomanipulatethesexratiosofsomeoftheanimalstheystudied(C)soughtancxplanationofwhyc
7、ertainsoxratiosexistandrcmainstable(D)studiedgametheory,therebyprovidingimportantgroundworkforthelaterdevelopmentofstrategytheory(E)studiedreproductioninthesameanimalspeciesF和H的工作相似,为什么?从第七句可以看出,lookedforanevolutionarilystablestrategy,A没有信息支持;Bmanipulate无从谈起；C虽然有
8、个stable,但说的是sexratios,给个不确定；D后半句错了,F的可能还为以后提供基础，H的无从谈起；Ethesameanimalspecies文章没有提到F研究的是什么。综上，答案应该是C。Forthefollowingquestion,considereachofthechoicesseparatelya
