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问题 单项选择题

The young actor who had been thought highly of（）to be a great disappointment.

A.turned up

B.turned out

C.turned down

D.turned in

答案

参考答案：B

选择题

如图所示，三段不可伸长的细绳OA、OB、OC共同悬挂一质量为m的重物，A、B端点均固定，其中OB是水平的，OA与水平方向夹角为θ，物体处于静止状态，则（　　）

A．细绳OB的拉力大小为mgtanθ

B．细绳OA的拉力大小为mgsinθ

C．细绳OB的拉力大小为

mg
tanθ

D．细绳OA的拉力大小为mgcosθ
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单项选择题

They were under the（）that the company was doing well, but in fact it was in serious trouble.

A.conclusion

B.expression

C.enjoyment

D.illusion
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