航行船舶发现有人从本船左舷落水，应立即停车、操右舵，在采取相应措施。
参考答案：错
若m、n满足 ︳m－2 ︳+ (n+3)2=0，则nm= ；
Was it at the school gate,if I may ask, you met your friends from your hometown?[ ]
A. where
B. that
C. which
D. ones
