单项选择题
Which one of two crossing power-driven vessels has the right of way in a fog?（）.
A.Both vessels B.Neither vessel C.The stand-on vessel D.The giving-way vessel
单项选择题 Write down your name（）,please.
单项选择题 You are running into danger,（）.
单项选择题 Your figure doesn’t turn（）100% correct.
