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- 31A check rope is ______.
A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge
开始考试练习点击查看答案 - 32The approach to the roads and harbor from the ______ entails no difficulty.
A.eastern
B.easterly
C.eastward
D.eastwards
开始考试练习点击查看答案 - 33The ship is not very stable,please ______ when making a turn.
A.stop down
B.speed down
C.slow down
D.down slow
开始考试练习点击查看答案 - 34Pitching is angular motion of the vessel about what axis、
A.Longitudinal
B.Transverse
C.Vertical
D.Centerline
开始考试练习点击查看答案 - 35Owing to the big draught of the ship,she has to get alongside by the time of ______.
A.spring tide
B.flood tide
C.ebb tide
D.slack water
开始考试练习点击查看答案 - 36The engine ______ smoke and steam.
A.gives up
B.gives away
C.gives in
D.gives off
开始考试练习点击查看答案 - 37Sometimes a tropical storm moves so slowly that a vessel,if astern of it,can ______ it.
A.go ahead
B.approach
C.proceed near
D.run into
开始考试练习点击查看答案 - 38A frontal thunderstorm is caused by ______.
A.pronounced local heating
B.wind being pushed up a mountain
C.a warm air mass rising over a cold air mass
D.an increased lapse rate caused by advection of warm surface air
开始考试练习点击查看答案 - 39Good weather is usually associated with a region of ______.
A.low barometric pressure
B.high barometric pressure
C.falling barometric pressure
D.pumping barometric pressure
开始考试练习点击查看答案 - 40An air mass is termed warm if ______.
A.it is above 70° F
B.the ground over which it moves is cooler than the air
C.it originated in a high pressure area
D.it originated in a low pressure area
开始考试练习点击查看答案
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