单项选择题
0f the general methods of stowing bagged cargo, which allows maximum ventilation?（）.
A.Brick method B.Cross tier method C.Full-bag method D.Half-bag method
单项选择题 0il product samples should be taken from the（）.
单项选择题 0n a single-screw vessel the stern frame（）.
单项选择题 0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?（）.
