修做桩柳前戗时，在临水坡脚前（）处，打木桩一排，桩距lm，桩长

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问题单项选择题

修做桩柳前戗时，在临水坡脚前（）处，打木桩一排，桩距lm，桩长根据水深而定，一般入土lm，桩顶高出水面为度。

A.0.5～1m

B.1.2m

C.1.5m

D.2.Om

答案

参考答案：A

选择题

— Excuse me, can you tell me where the nearest bank is, please?

— _____ Oh yes! It's past the post office, next to a big market. [ ]

A. Mm, let me think.

B. Oh, I beg your pardon?

C. You're welcome.

D. What do you mean?

单项选择题

用缠绕法修补导线时，缠绕长度应超过损伤部位两端（）mm。

A.30

B.50

C.100

D.200