【文档说明】《Unit 4 Numbers》教学课件1-八年级上册英语【牛津上海版】.ppt，共(18)页，1.540 MB，由小喜鸽上传

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Unit4Numbers:Everyone'sLanguageHowdidpeoplecountinancienttimes?Whofirstinventedthesystemofnumbers?Whichwas

firstinvented,1to9orzero?HowlongdidittakeShakuntala’sbraintofindtheanswertotheproblem?Exposition说明文methodfeature?writenumbersinmanydiffer

entwayscountinthesameway-intensExposition说明文methodfeature?pictureexamplecomparisonnumber...However,theynearlyallcountedinth

esameway---intens.feature:precise(精准)Exposition说明文methodfeaturepictureexamplecomparisonnumber...precise...ComputersA:___

_________B:____________C:____________D:____________E:____________F:____________computersHomework:1.Readthearticleagainandappreciatet

hemethodsandfeature.2.FindoneexpositionorsomeinformationaboutthetopicComputers.http://www.ehow.com/tech/http://computers.toptenreviews

.com/