单项选择题

Before letting the anchor go，you should check that the（）.

A.chain is clear
B.anchor is clear of obstructions
C.wildcat is disengaged
D.All of the above

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单项选择题
Anchoring and fishing in this area are（）.

A.danger
B.dangerous
C.dangerously
D.dangering
单项选择题
An example of an anchor which has a stock is a（）.

A.Bruce anchor
B.Dunn anchor
C.Hook anchor
D.LWT anchor
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