力的SI导出单位是（）。 A.千克 B.牛[顿] C.大牛[顿]_爱下问搜题

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问题单项选择题

力的SI导出单位是（）。

A.千克

B.牛[顿]

C.大牛[顿]

答案

参考答案：B

填空题

CONVERSATION 2 (Questions 5-8)

The age when Miss Rowling started to write: (5) .
Miss Rowling considers herself very luck because she can (6) herself by writing.
Miss Rowling never really imagines a (7) audience when writing.
Miss Rowling (8) know where the ideas for the Harry Potter books came from.

多项选择题

当脚手架采取分段、分立面拆除时，对不拆除的脚手架两端，应先按规定设置（）加固。

A.连墙件

B.剪刀撑

C.横向斜撑

D.纵向斜撑