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问题 解答题

数学活动课上，李军把一根7厘米长的塑料小棒平均剪成5段围成一个正五边形，每段长占全长的______，每段长______厘米．

答案

根据分数的意义，把7厘米看作单位“1”，平均分成5段，每段长占全长的

1
5
；

7÷5=1.4（厘米）；

答：每段长占全长的

1
5
，每段长1.4厘米．

故答案为：

1
5
，1.4．

完形填空

当你遇到下面这些问题时，你会怎么解决呢？请对以下问题和解决办法给予合理配对。

Problems:

小题1:Some boys are swimming in the river without permission.

小题2:Sometimes you just get so angry about something.

小题3:You cheat(作弊) at school because you are afraid of failing the exam.

小题4:Someone in our district often wastes water.

小题5:You like to play computer games and spend too much time on them.

Solutions:

A．Work harder at your lessons .If you have problems at school, just turn to your teachers

B．Tell them to leave the river quickly. It is dangerous.

C．Make a time table and reduce the time on computer games little by little.

D．Use your pen to tell your feelings. Write down why you are angry or draw it on a paperE. Put up some posters to ask him or her to save water.
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