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
单项选择题The ()is used to mend something.
A.glove B.thread C.derrick D.cloth
单项选择题The ()part of a vessel on the port side is called port stern.
A.fore B.aft C.head D.bow