1新课标人教版课件系列《高中英语》必修2-3.223Guess!Atoy?Ahandbag?4Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:5Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculator6Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingD...
