单项选择题
Chafing gear should be placed（）.
A.at all wearing points of mooring lines B.at the bitter ends of all standing rigging C.around running rigging D.on wire rope only
单项选择题 By paying out more anchor cable，you（）.
单项选择题 Before letting the anchor go，you should check that the（）.
单项选择题 Anchoring and fishing in this area are（）.
