问题
单项选择题
The International SafetyNet Service is able to address the call to（）.
A.all vessels
B.selected groups of ships
C.a particular ship
D.A, B, C are all right
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
The International SafetyNet Service is able to address the call to（）.
A.all vessels
B.selected groups of ships
C.a particular ship
D.A, B, C are all right
参考答案：D