题目

听短文，请根据所听到的内容和思维导图，完成下面的简述。每空一词     When she was in middle school, Jessica invented a with three other girls. The football could produce . They invented it for some poor places in . When people play with it, the football can provide, mobile phones and other things with power. The football is only dollars. 答案：【1】football【2】electricity【3】Africa【4】lights【5】99 / ninety-nine

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