單項選擇題The rain was heavy and（）the visibility became very poor.

A.onsequently
B.constantly
C.continuously
D.consistently


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1.單項選擇題The ship（）the Atlantic to America next week.

A.shall cross
B.shall cross to
C.cross
D.sail cross

2.單項選擇題The ship is not very stable, please（）when making a turn.

A.stop down
B.speed down
C.slow down
D.down slow

3.單項選擇題The third officer’s duty is to（）when vessel is commanded under the pilot or captain.

A.operate the wheel and stand by
B.keep a lookout and operate steering gear
C.enter telegraph orders in the bell book
D.operate the telegraph and enter telegraph orders in the bell book

4.單項選擇題The tide（）.It’s 2 hours before low water, and（）your present position you will be aground at low water.

A.falls/in
B.has been falling/on
C.has fallen/at
D.is falling/in

5.單項選擇題The type of extinguisher which should be used for an electricity fire is（）.

A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam