单项选择题

After the anchor reaches the bottom,（）the engine room that power and water are finished with.

A.note
B.notice
C.ask
D.inform

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单项选择题

A. The chain is not upright
B. The chain is upright
C. The chain is slack
D. The chain is not slack

单项选择题

A. Hold anchor
B. Let go anchor
C. Weigh anchor
D. Anchor aweigh

单项选择题

A.moor
B.berthing
C.berth
D.berthed