问题
单项选择题
钢结构普通螺栓作为永久性连接螺栓使用时，其施工做法错误的是（）。
A.在螺栓一端垫两个垫圈来调节螺栓紧固度
B.螺母应和结构件表面的垫圈密贴
C.因承受动荷载而设计要求放置的弹簧垫圈必须设置在螺母一侧
D.螺栓紧固度可采用锤击法检查
答案
参考答案：A
解析：
考点:主体结构施工技术
普通螺栓施工工艺，不能设置两个及以上的垫圈。
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钢结构普通螺栓作为永久性连接螺栓使用时，其施工做法错误的是（）。
A.在螺栓一端垫两个垫圈来调节螺栓紧固度
B.螺母应和结构件表面的垫圈密贴
C.因承受动荷载而设计要求放置的弹簧垫圈必须设置在螺母一侧
D.螺栓紧固度可采用锤击法检查
参考答案：A
解析：
考点:主体结构施工技术
普通螺栓施工工艺，不能设置两个及以上的垫圈。
My father often works very hard. And he 1 goes to the movies. Here I’ll tell you a 2 story about him. One afternoon, when he finished his work, and 3 go home, he found a film ticket under the glass on his desk. He thought he 4 to have not much work to do that day and 5 was quite wonderful to pass the evening at the cinema. So he came back home and 6 finished his supper. Then he said good－bye to us and left. But to our 7 , he came back about half an hour later. I asked him what was the 8 . He smiled and told us about the funny thing that happened at the 9 . When my father was sitting in his seat, a 10 came to my father’s seat and said that seat was hers. My father was 11 , he took out the ticket 12 looked at it carefully. It was Row 17, 13 . And then he looked at the seat. It was 14 . So he asked her to 15 her ticket. She took out her ticket at once and the seat 16 in it was Row17, Seat3. Why? What’s the matter with all this? While they were wondering, suddenly the woman said, “The 17 of tickets are different.” 18 they looked at the tickets more carefully. After a while my father said, “Oh, I am 19 , I made a mistake. My ticket is for the 20 a month ago. Take this seat, please.” With these words he left.
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