新视野大学英语读写教程(第二版)第四册--Unit-7---Section-A--Research-into-Population-Genetics.ppt

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1、TextStudyIdeaSharingNotestotheTextWordsandExpressionsWritingUnderstandingReproductionStructureAnalysisSummaryI.StructureAnalysisTextStudy—StructureAnalysisIntroduction+Body+ConclusionPartPara.MaidIdeaIntroduction1-2theintroductionofthebookandthefirstgeneticmapBody3-4th

2、eprocessanddifficultiesofconductingtheresearch5-9majorcontributionsoftheresearchwithexamplesConclusion10socialvalueoftheresearchResearchintoPopulationGeneticsIntroductionofthebookandthefirstgeneticmap(Paras.1–2)TextStudy—StructureAnalysisTheprocessofconductingtheresear

3、ch(Paras.3–4)Example:bloodsample(Tobecontinued)Contributionsofthefirstgeneticmapoftheworld:(Paras.5–9)TextStudy—StructureAnalysisConclusion:toweakenconventionalnotionsofracethatcauseracialprejudice(Para.10)discoverybirthplaceoriginsvaluesGooverthetextquicklyandanswerth

4、equestions.Forquestions1-7,markY(forYES);N(forNO);NG(forNOTGIVEN);Forquestions8-10,completethesentenceswiththeinformationgiveninthetext.TextStudy—UnderstandingII.UnderstandingMakeYourJudgment1.TheHistoryandGeographyofHumanGenesisaremarkablebookaboutanextensivesurveyonp

5、opulationgenetics.2.Thewritersofthebookfirmlybelievethatracesareremarkablydifferentsincethegenesarenotalike.3.Inordertorevealgeneticmakeupofpeopleinallpartsoftheworld,thewritersdidnotsetlimitationwhencollectinghumanblood.NNYTextStudy—Understanding4.Someofthepotentialbl

6、ooddonorswerenotwillingtocooperatebecauseofsomereligiousconcern.5.Certainraceturnsintoanotherracetoadapttoclimateashumansmovefromonecontinenttoanother.6.WritersofthebookbelievedthatAmericansareamixedpopulation,with65%Asianand35%Africangenes.7.Geneticinformationmaybegre

7、athelpfulinthefieldofmedicine.YYNGNTextStudy—Understanding8.Thewriterstracetheroutesbywhichearlyhumansmigratedaroundtheearthbymeasuringhowclosely_________________________.9.Thegeneticmapand__________________confirmsthatAfricawasthebirthplaceofhumanityandthusthestarting

8、pointoftheoriginalhumanmovements.10.Cavalli-Sforzasaysthathisgoalisto______________________________thatcauseracialpre