单项选择题

If you are caught in the left semicircle of a tropical ……

If you are caught in the left semicircle of a tropical storm，in the Southern Hemisphere，you should bring the wind（）.

A.On the starboard quarter，hold course and make as much way as possible
B.2 points on the port quarter，and make as much way as possible
C.On the port bow，and make as much way as possible
D.Dead ahead and heave to

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热门试题

单项选择题Hurricanes may move in any direction．However，it is rare and generally of short duration when a hurricane in the Northern Hemisphere moves toward the（）.

A.West or northwest
B.Northeast
C.Southeast
D.North

单项选择题Haze is not caused by（）.

A.forest fires
B.smoke from industrial areas
C.dust or sand storms
D.water droplets with the relative humidity more than 95%

单项选择题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

单项选择题Fog forms when the air（）.

A.Is 50% water saturated
B.Is 90% water saturated
C.Temperature is greater than the dew point temperature
D.Temperature is equal to，or below the dew point temperature

单项选择题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 steepness