A.onsequently
B.constantly
C.continuously
D.consistently
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A.shall cross
B.shall cross to
C.cross
D.sail cross
A.stop down
B.speed down
C.slow down
D.down slow
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
A.falls/in
B.has been falling/on
C.has fallen/at
D.is falling/in
A.foam or soda acid
B.dry chemical or foam
C.carbon dioxide or dry chemical
D.carbon dioxide or foam
最新試題
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
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