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问题 单项选择题

10kV及以下装有可燃性油浸电力变压器的变电所，( )设在耐火等级为三、四级的建筑中。

A．不宜
B．宜
C．应
D．不应

答案

参考答案：D

填空题
用所给单词和短语的正确形式填空。

climate , made up of, cottage , be famous for, in other words , stand for,
take place, tear down,  in danger, make fun of, be made from, in fact
1. Great changes have ________ in our hometown sine 1986.
2. ______ you can walk to distant part of the office or factory to check the information.
3. The red colour on the flag ________ blood.
4. Several years ago, those poor houses was ________ and the central park was built.
5. Whenever my friend was ______, I would do whatever I could to help.
6. The powder ________ fish, blood and bones.
7. I felt unhappy whenever I was ________.
8. He talks a lot, but ________, he does little.
9. China _______ the Great Wall.
10. The villagers used to live in the ______, but now they live in the high buildings happily.
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单项选择题

甲醇的熔点是（）℃。

A.–98.7

B.–97.8

C.–100

D.–90.8
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