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问题 单项选择题

变压器油的凝固点不高于－100C，闪点不低于1400C，适用于气温不低于－100C的地区作为变压器用油的牌号为（）。

A.DB-10

B.DB-25

C.DB-45

答案

参考答案：A

改错题

短文改错（满分10分）

Yesterday, I went to have lunch in a restaurant. The restaurant was such crowded that the food arrived late and the fish was cold. I was on a hurry, so I started eating the food anyway. Several minute later, a server came to me and was asked how I liked the meal. In that situation, he may choose to say honestly that you are disappointing that the food came out cold. However, I choose not to tell the truth. With a smile on my face, I told the server nothing satisfied me. I told lie. But it made the server happily.
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单项选择题

金属切削机床地基一般为（）m。

A.0.1～0.2

B.0.2～0.3

C.0.5～0.1

D.0.5～2
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