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單項(xiàng)選擇題

A （）(救生圈) should be located on the gangway.

A.life-jacket
B.life-raft
C.life-buoy
D.life-boat

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單項(xiàng)選擇題

The gangway is going to hit the （）(系纜樁) on the wharf.

A.bridge
B.bitt
C.bit
D.bits

單項(xiàng)選擇題

Spread a safety net under the （） (舷梯).

A.gangway
B.ladder
C.pilot ladder
D.bridge