单项选择题

In good weather，you should deploy the sea anchor from the liferaft to（）.

A.keep the liferaft from capsizing
B.navigate against the current
C.keep personnel from getting seasick
D.stay in the general location

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单项选择题

A.Sailing Charts of the Caribbean Sea
B.Pilot Charts of the North Atlantic
C.Light Lists，Atlantic and Gulf Coast
D.Tidal Current Tables

单项选择题

A.lower than actually exists
B.higher than actually exists
C.that actually exists
D.that has no proportional relationship

单项选择题

A.a greatly reduced wind speed
B.a higher wind speed than what really exists
C.a lower wind speed than what really exists
D.more turbulent winds