单项选择题
Take to the forecastle deck an （）(油壶)and a hammer.
A. oil can B. rope C. heavy line D. head line
单项选择题 Release the （）(制动器)when letting go the anchor.
单项选择题 Weigh anchor and（）(留)one shackle in water.
单项选择题 Anchor（）(垂直).
