单项选择题
Which will most likely occur when entering shallow water? （）
A.Rudder action will become more effective B.The vessel's list will change C.The vessel's trim will change D.An increase in speed will occur
单项选择题 The principal danger from ice collecting on a vessel is the（）.
单项选择题 Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should （）.
