【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?Whichwasfirstinvented,1to9orzero?Howlongdiditta

keShakuntala’sbraintofindtheanswertotheproblem?Exposition说明文methodfeature?writenumbersinmanydifferentwaysc

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