搜题请搜索小程序“爱下问搜题”
问题 选择题

一个三角形的底是21分米，高是10分米，这个三角形的面积是（　　）平方分米．

A．210

B．105

C．21

D．10.5

答案

21×10÷2，

=210÷2，

=105（平方分米）．

答：这个三角形的面积是105平方分米．

故选：B．

句型转换

按要求改写下列各句，每空一词。

1. She's going to see us tomorrow. (改为一般疑问句)

    _____ _____ going to see us tomorrow?

2. We had a sports camp last Sunday. (用next Sunday 代替last Sunday后填空)

    We're _____  _____ have a sports camp next Sunday.

3. We're going to the Great Wall with our teacher. (就划线部分提问)

    _____ are you going to the Great Wall _____ ?

4. We're going camping next Friday. (就划线部分提问)

    _____ _____ you going camping?

5. I visited my friends in Beijing twice a month last year.(就划线部分提问) 

    _____ _____ did you visited your friends in Beijing last year?

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单项选择题

命令CRSIGDP中LoaDsharing key等于（）的时候，不进行负荷分担。

A.NONE

B.3

C.2

D.1
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