单项选择题

In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.

A.Starboard quarter，hold course and make as much speed as possible
B.Port bow，hold course and make as much speed as possible until the hurricane has passed
C.Port quarter，maintain course and make as much speed as possible
D.Starboard bow and heave to until the hurricane has passed

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单项选择题In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.

A.Southwest，clockwise to northwest
B.Northeast，clockwise to west-southwest
C.Northeast，counterclockwise to northwest
D.East，counterclockwise to south-southwest

单项选择题In the Northern Hemisphere a wind is said to veer when the wind（）.

A.Changes direction clockwise，as from north to east，etc
B.Changes direction violently and erratically
C.Remains constant in direction and speed
D.Changes direction counterclockwise，as from south to east，etc

单项选择题In regions near the poles，the winds are generally described as（）.

A.Westerlies
B.Easterlies
C.Northerlies
D.Southerlies

单项选择题If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.

A.The center of the storm will by-pass you
B.The storm will strike you on the starboard side
C.You are in the direct path of the storm and should take immediate steps to batten down loose gear
D.The storm is starting to break up

单项选择题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