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问题 填空题

如图所示，甲、乙是电流表或电压表．当开关S闭合后，要使电阻R1、R2并联，甲表是______，乙表是______．

答案

要使电阻R1、R2并联，由图可知电流必须从开关S分别流入支路R1、支路R2和仪表乙，然后流回负极，所以甲为电压表；乙为电流表．

如果甲为电流表，乙为电压表，这R2会被短路，因此这种情况错误．

故答案为 电压表；电流表

填空题

根据句意及括号内所给单词提示，完成句子。

1. He often _____(watch) TV at home on Sunday.

2. Kangkang often plays _____(sport) after school.

3. The monkey has three _____(baby).

4. —Which do you like _____(well), the monkey, the lion or the elephant?

    —The elephant.

5. —It's very hot .What about _____(sleep) out of door?

    —That's good idea.
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填空题

用所给单词的适当形式填空。

1.My mother always ________ (cook) meat for me.

2.He is ________ (read) a book in the living room now.

3.Let's________ (make) a big cake.

4.I always________ (wash) dishes for my mother.

5.He wants to be a ________ (drive) in the future.

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