单项选择题Don’t stand ()the derrick.

A.above
B.top
C.side
D.under


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1.单项选择题Don’t shift the ()as you like.

A.guy
B.block
C.anchor
D.wheel

2.单项选择题Sometimes chemicals are carried in drums in ().

A. chemical carriers
B. bulk carriers
C. general cargo ships
D. LNG carriers

3.单项选择题Chemicals are carried in bulk in ().

A. chemical carriers
B. bulk carriers
C. general cargo ships
D. LNG carriers

4.单项选择题Timber can be stowed ().

A. only on deck
B. only in holds
C. both on deck and in holds
D. All above.

5.单项选择题The derrick is too high.()it, please.

A.High
B.Top
C.Adjust
D.Lower

6.单项选择题The derrick is too low. ()it, please.

A.Lower
B.High
C.Top
D.Adjust

7.单项选择题Before the()of the derrick, check all the tackle closely.

A.operation
B.operate
C.operated
D.operator

8.单项选择题During the voyage, the derrick should be stowed ().

A. fore
B. aft
C. fore and aft
D. lowered

9.单项选择题()are usually stowed both above and below deck.

A.Containers
B.Trucks
C.Machinery
D.Clamps

10.单项选择题There is no power for the ().

A. derrick
B. winch
C. block
D. heavy derrick