單項(xiàng)選擇題

A check line is（）.

A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge

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單項(xiàng)選擇題

（）is the course to reach you?

A.What
B.How
C.Which
D.When

單項(xiàng)選擇題

（）is the chain?

A.How
B.What
C.Why
D.How about

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A check line is（）.

你可能感興趣的試題

（）is the course to reach you?

（）is the chain?

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