单项选择题 Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern,To adjust the trim, you may（）.

单项选择题 Your vessel has a midship engine room and the cargo is concentrated in the end holds.The vessel is（）.

单项选择题 Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is true?（）.