单项选择题
（）(收紧) the slack on the stern line.
A. Heave out B. Take in C. Pick in D. Heave away
单项选择题 Before going to the forecastle, ask the engine room for（）（水电）on deck.
单项选择题 The anchor is（）(抓牢) ,four shackles in water.
单项选择题 Take to the forecastle deck an （）(油壶)and a hammer.
