單項選擇題

At sea, much of the sailor’s time is spent （）the ship and keeping her equipment in good condition.

A.to maintain
B.maintaining
C.maintenance
D.maintain

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單項選擇題

（）is in charge of the common tools of the deck department.

A. The chief officer
B. The duty sailor
C. The bosun
D. Captain

單項選擇題

（）are not included in the common tools.

A. Screwdrivers
B. Derricks
C. Chipping hammers
D. Saws