GMDSS无线电话紧急信号为（）。
A、MAYDAY
B、PAN-PAN
C、SECURITY
D、URGENT
参考答案：B
简述行政处罚的实施机关。
I am going to the supermarket to buy some this afternoon.[ ]
A. paper and pencil
B. apples and banana
C. milk and eggs
D. bowl and spoons
