从事包车客运的，可以沿途招揽班线运输的旅客。（）
参考答案：错
说出GMDSS的中文含义和英文全称，并说明船舶无线电设备配备的根据。
―Do you know _____?
―For two days. [ ]
A. how long was Nancy back
B. how long Nancy was back
C. how long was Nancy been back
D. how long Nancy has been back
