You should slack the mooring lines （）w...

单项选择题You should slack the mooring lines （）when the wind is big.

A. at the same time
B. on time
C. in time
D. at times

1.单项选择题We must （）to inspect the problems about the safety of fire prevention.

A.prepares
B.preparing
C.prepared
D.prepare

2.单项选择题When you keep a gangway watch, you should （）the mooring lines according to the rise and fall of the tide.

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

3.单项选择题Lower gangway into place and （）safety net.

A.fast
B.make fast
C.fasten
D.fastened

4.单项选择题We should hoist national flag （）.

A. on time
B. in time
C. soon
D. at times

5.单项选择题We should often （）the bow and stern of a ship.

A.inspects
B.inspecting
C.inspect
D.inspected

6.单项选择题They will （）out a more detailed inspection.

A. carried
B. carrying
C. to carry
D. carry

7.单项选择题I’ll （）the sheet carefully.

A. go after
B. go off
C. go through
D. go away

8.单项选择题They will（） against pirates and pilferage.

A. take place
B. take over
C. take measures
D. take up

9.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

10.单项选择题We can’t hoist （）national flag.

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