They will（） against pirates and pilferage.

单项选择题When we hoist national flag together with other flags, we should keep the national flag in the （）place.

A.centre
B.lower
C.A+B
D.A o rB

单项选择题We can’t hoist （）national flag.

A.clean
B.worn
C.beautiful
D.good

单项选择题The sailors should show the relevant （）by day.

A.ladders
B.flags
C.hands
D.lines

单项选择题You should （）the mooring lines according to the changes of draft.

A.adjusted
B.adjusting
C.adjustment
D.adjust

单项选择题Pay more attention to the rising and falling of （）.

A.tide
B.water
C.sea
D.wave

单项选择题Please tell the duty AB to lower the （）.

A.winch
B.radar
C.gangway
D.pilot ladder

单项选择题When a ship is in port, （）must keep a gangway watch.

A.officers
B.crew members
C.sailors
D.bosun

单项选择题A （）should be placed on the gangway.

A.life-buoy
B.life-raft
C.life-boat
D.life craft

单项选择题Please fill in this visitor’s （）.

A. registry book
B. exercise book
C. seaman’s book
D. record book

单项选择题-Will you take me to see your chief officer? -Sorry, he has gone （）. Would you like to leave a message for him?

A.shore
B.land
C.ashore
D.port