单项选择题
The giving-way vessel has a same meaning of（）.
A.stand-on vessel B.privileged vessel C.burdened vessel D.hampered vessel
单项选择题 The master should（）necessary precautions to prevent accidents or damage.
单项选择题 The meaning of slacken her speed is（）.
单项选择题 The most important principle in the cargo stowage is（）.
