单项选择题
If your vessel is dragging her anchor in a strong wind，you should（）.
A.shorten the scope of anchor cable B.increase the scope of anchor cable C.put over the sea anchor D.put over a stern anchor
单项选择题 If you were being assisted by an icebreaker and he sent you the single letter Q，he would be telling you（）.
单项选择题 If you wear extra clothing when entering the water after abandoning ship it will（）.
单项选择题 If you shorten the scope of anchor cable，your anchor’s holding power（）.
