爸爸花120元买2个游泳圈，妈妈花240元买3个游泳圈，爸爸和妈妈谁

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问题解答题

爸爸花120元买2个游泳圈，妈妈花240元买3个游泳圈，爸爸和妈妈谁买的便宜？

答案

由题意知，

120÷2=60（元），

240÷3=80（元），

60元＜80元，

答：爸爸买的便宜．

填空题

阅读短文，用括号中所给词的适当形式填空。

Mrs. White 1 (have) two children. Tommy is seven, and Annie is four. Tommy 2 (go) to school,

but Annie doesn't. When Tommy 3 (be) at home, he often plays with Annie. Usually he's very nice to

his little sister. One day the two children 4 (play)at home. Suddenly Annie begins 5 (cry).Their

mother runs over and asks, "Why are you crying?" "Tommy breaks (打破) my doll," says Annie. "How

does he break it?" "I hit (打) him on the head with it." 6 (say) Annie.

1.________ 2._______ 3.________ 4.________ 5.________ 6.________

选择题

下列关于吸烟、吸毒的叙述错误的是

A．吸烟致肺癌发病率上升

B．吸烟提神并促进脑发育

C．吸毒一旦染上很难戒除

D．吸毒严重危害社会安定