问题
单项选择题
慢速卷扬机主要用于结构吊装、钢筋冷拔，快速卷扬机主要用于（）。
A、预应力筋张拉
B、吊装结构构件
C、垂直运输
D、钢筋冷拔
答案
参考答案：C
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慢速卷扬机主要用于结构吊装、钢筋冷拔，快速卷扬机主要用于（）。
A、预应力筋张拉
B、吊装结构构件
C、垂直运输
D、钢筋冷拔
参考答案：C
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| It was a Sunday afternoon. It was very 1 and nobody wanted to stay at home. Mike decided to go swimming in the river. His brother, Jim, wanted to go with him. " 2 him with you, Mike," said their father. "He will do what you say, I think." They got 3 the river quickly. A lot of people were 4 in it. Mike told Jim to play on the bank, then he 5 into the water. About an hour later, Mike swam to the bank with a fish in his hand. Jim was very 6 . He found a bottle and put the fish in it. Jim did 7 except watch the fish that evening. Suddenly Mike heard Jim 8 in the room. He ran to him and asked, "What's wrong 9 you, Jim?" "The fish has died (死了)." Jim said, "I thought it was 10 . So I took it out of the bottle and put it on the chair. I only wanted it to have a rest." | ||||
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