问题
单项选择题
高层建筑扣件式钢管脚手架悬挑时，可分段搭设，分段搭设的垂直偏差，第一段不超过全长的（）。
A.1/200
B.1/250
C.1/300
D.1/400
答案
参考答案：D
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高层建筑扣件式钢管脚手架悬挑时，可分段搭设，分段搭设的垂直偏差，第一段不超过全长的（）。
A.1/200
B.1/250
C.1/300
D.1/400
参考答案：D
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| Dear Lucy, We are back in Garden City now. We had 1 good trip. I 2 to collect my photos yesterday. They 3 great! I showed these photos 4 my classmates. They all 5 them. There is a photo of Ben and Simon 6 the Great Wall. There is one of 7 photos in the Forbidden City. We really enjoy 8 vacation. We were sad to 9 you. You must 10 and visit us in Garden City on New Year's Day. Love, Kitty |
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