单项选择题
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
A.A hard hat B.A long sleeve shirt C.Gloves D.Goggles
单项选择题 What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
单项选择题 What effect is achieved from soaking an anchor（）．
单项选择题 The centre of lateral resistance is（）.
