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1、Unit1Womenofachievement-writing学案 Unit1Womenofachievement-writing学案 A YouhaveheardofinventorJamesWatt.Hebuiltasuccessfulsteamenginein1969.ButthefirstbabysteptothisinventiontookplaceinEgypt.Theyearwas120BC.Amanattachedtwopipestoanordinarykettle.Hehungaglobeoverit.Thesteammadetheglobegoaround.The