默认题库 - 海上天气现象

单选题

以中枢神经兴奋性增高为主的急性脑功能失调，称为（）

A. 意识模糊
B. 癔症
C. 幻觉
D. 谵妄

查看答案

单选题

In reading a weather map，closely spaced pressure gradient lines would indicate（）.

A. high winds
B. high overcast clouds
C. calm or light winds
D. fog or steady rai

查看答案

单选题

In North America the majority of the weather systems move from（）.

A. north to south
B. south to north
C. east to west
D. west to east

查看答案

单选题

In a storm，the leeward lines of a ship’s mooring system will（）.

A. pull the unit in the same direction that the weather is pushing it
B. pull the unit in the opposite direction that the weather is pushing it
C. tend to keep the unit on its original location over the well head
D. affect the unit's draft and inclination as maximum mooring tensions are reached

查看答案

单选题

Good weather is usually associated with a region of（）.

A. low barometric pressure
B. high barometric pressure
C. falling barometric pressure
D. pumping barometric pressure

查看答案

单选题

Fetch is the（）.

A. distance a wave travels between formation and decay
B. stretch of water over which a wave-forming wind blows
C. time in seconds required for two crests to pass a given point
D. measurement of a wave's steepne

查看答案

单选题

Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at（）.

A. a specific barometric pressure
B. a specific temperature
C. a specific wind speed
D. any time

查看答案

单选题

A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXCEPT（）.

A. higher than normal swells
B. high winds
C. winds veering from south，through west，to northwest
D. light shower

查看答案

单选题

A strong，often violent，northerly wind occurring on the Pacific coast of Mexico，particularly during the colder months，is a（）.

A. Papagayo
B. fall wind
C. foehn
D. williwaw

查看答案

单选题

Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.

A. Expect to see cirrus clouds followed by altostratus and nimbostratus clouds
B. Alter course to remain in the navigable semicircle
C. Prepare for gusty winds，thunderstorms，and a sudden wind shift
D. Expect clear weather，with steady winds and pressure，until the front passe

查看答案