单项选择题
A storm is forecast for the area where your vessel is moored. For its safety you should put（）.
A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines
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A steep barometric gradient indicates（）.
A.calms
B.light winds
C.strong winds
D.precipitation -
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A katabatic wind blows（）.
A.up an incline due to surface heating
B.in a circular pattern
C.down an incline due to cooling of the air
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单项选择题
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 showers
