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问题 单项选择题

主城区内某加油加气合建站，储油量60立方米，为地下直埋油罐，储气量12立方米，采用储气井储气。该站相邻有一栋建筑面积为10000平方米的高层商住楼。问：

该站内脱硫脱水装置与相邻高层商住楼的防火距离不应小于（）m。

A、18

B、20

C、25

D、30

答案

参考答案：D

选择题

           in the river is good             your health. [ ]

A. Swimming, for

B. Swim, for

C. Swimming, to

D. Swim, to

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句型转换

句型转换。

1. Mary was able to find the way back home. (改为否定句)

    Mary _______  _______ to find the way back home.

2. I don't know what I should do. (改为同义句)

    I don't know what _______  ________.

3. It took them ten days to finish the work. (对画线部分提问)

    _______  ________ did it take them to finish the work?

4. I'd like to buy some tickets to the wonderful concert. (改为一般疑问句) 

                  you like to buy                tickets to the wonderful concert?

5. The book is too expensive for me to buy. (改为同义句)

    The book is               expensive               I can't buy it.

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