题目

(5分)某校开展植树活动,七(1) 27人,七(2) 19人,现另调26人去支援,使七(1)是七(2)的2倍,问应调往七(1)、七(2)各多少人?  答案:解:设调往七(1) x人,则调往七(2)(26-x)人根据题意,得  解方程得:x = 21答:调往七(1) 21人。调往七(2)5人解析:略 My father had longed to play music since childhood, but his family was poor and couldn’t _____ lessons.A.missB.affordC.selectD.understand
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