单项选择题
Some goods are missing（）terrible weather.
A.due B.because of C.because D.since
单项选择题 The abbreviation RYC in a marine cable generally stands for（）.
单项选择题 The angular motion of a ship in the athwart ship is termed（）.
单项选择题 The charges for cleaning（）the oil pollution on sea will be to ship’s account.
