多项选择题

挂篮施工应经常检查（）等是否完好可靠。

A.后锚固筋
B.千斤顶
C.手拉葫芦
D.张拉平台
E.风缆

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未分类题

用八位表示的二进制数 101100 的原码_________、反码_________、补码_________

单项选择题

Directions: There are ten incomplete sentences in this part. For each sentence, there are

four choices marked A, B, C, and D. Read them and choose the best answer. Then write your answer on the Answer Sheet. He was born in theA．the 1980sB．1980sC．1988sD．the 1988

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