单项选择题

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 passes

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热门试题

单项选择题You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.

A.Place the wind on the starboard quarter and hold that course
B.Place the wind on the port quarter and hold that course
C.Place the wind on the port bow and hold that course
D.Place the wind on the starboard bow and hold that course

单项选择题Which type of precipitation is a product of the violent convection found in thunderstorms（）.

A.Snow
B.Freezing Rain
C.Hail
D.Sleet

单项选择题Which of the following is not a wind（）.

A.Growler
B.Norther
C.Levanter
D.Mistral

单项选择题Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.

A.A backing wind
B.A veering wind
C.Sustained gale force winds
D.A strong wind that maintains a constant speed and direction

单项选择题Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.

A.A backing wind
B.A veering wind
C.A norther
D.A strong，gusty wind