钢筋混凝土悬臂式挡土墙由(  )组成。

钢筋混凝土悬臂式挡土墙由(  )组成。A.立壁 B.墙面板 C.墙趾板 D.扶壁 E.墙踵板

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He rolled up his trousers leg to exhibit his wounded knee.

He rolled up his trousers leg to exhibit his wounded knee.A.spread B.open C.sho

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There are various ways to solve the problem.

There are various ways to solve the problem.A.same B.many C.helpful D.different

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