A.breadth B.depth C.width D.height
单项选择题The ()part of the ship on port is called the port bow.
A.aft B.forward C.head D.bow
单项选择题Because of the (), we have to keep a sharp lookout.
A. poor visibility B. good visibility C. good weather D. dry weather
单项选择题In the ()weather, we have to open the navigational light.
A.frog B.foggy C.forest D.fox
单项选择题we use ()to carry something.
A. chisel B. drill C. handcart D. hand saw
单项选择题please lend me the ().
A.bridge B.torchlight C.derrick D.tool room