单项选择题

A.lookoutB.outlookC.uplookD.lookupSailors should keep （……

Sailors should keep （）at sea.

A.lookout
B.outlook
C.uplook
D.lookup

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单项选择题（）refers to the height from the waterline to the bottom of the ship.

A.Draft
B.Freeboard
C.Derrick
D.Drift

单项选择题（）refers to the repair the ship every year.

A. Voyage repair
B. Annual repair
C. Periodical repair
D. Survey check

单项选择题（）is used to absorb the water.

A.Paper
B.Glass
C.Sponge
D.Stow

单项选择题（）refers to the repair during the voyage.

A. Voyage repair
B. Annual repair
C. Periodical repair
D. Survey check

单项选择题Compass should be put on the （）.

A. compass deck
B. bridge deck
C. main deck
D. boat deck