單項選擇題

The sailor should （）(報告)it to the duty officer.

A.report
B.ask
C.tell
D.speak

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單項選擇題

The running wheel runs along the （）(導(dǎo)軌)on the hatch coaming top.

A. guide rope
B. guide rail
C. side coaming
D. side roller

單項選擇題

After operation, drop the control levers into stowing hole, and （）(停止)the electric motor.

A.start
B.stop
C.move
D.shift