单项选择题
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
A.at the water's edge B.on deck C.on the bottom D.well in the water
单项选择题 Which safety check（s）should be made before letting go the anchor（）.
单项选择题 When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
单项选择题 When turning a ship in restricted space with a strong wind，it is normally best to（）.
