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單項(xiàng)選擇題

The ship’s（）（天文鐘）is a very accurate clock.

A.watch
B.chronometer
C.time
D.clock

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單項(xiàng)選擇題

The bosun is good at（）(打繩結(jié)).

A. knotting line
B. making knots
C. knots
D .making line

單項(xiàng)選擇題

The third officer is （） (負(fù)責(zé))the fire-fighting equipment.

A. responsible
B. take charge of
C. in charge of
D. control

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