We should （）the national flag when the sun sets.

单项选择题When you hoist national flag, you should hoist it in （）place.

A.outstanding
B.secret
C.A or B
D.A+B

单项选择题A life-buoy should be （）at the gangway door.

A. locate
B. located
C. locating
D. to locate

单项选择题“In no time” means （）.

A. have no time
B. in a minute
C. a long time
D. a short time

单项选择题“Stand by the gangway” means “（）”.

A. Stand at the gangway
B. Wait at the gangway
C. Get the gangway ready
D. Keep on the gangway

单项选择题Get ready the mooring machinery, mooring lines and the gangway for （）.

A. loading cargo
B. arrival in port
C. departure from port
D. unloading cargo