问题
单项选择题
There are many navigational aids（）.
A.in chief engineer's room
B.in chief officer's room
C.on the bridge
D.on deck
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
There are many navigational aids（）.
A.in chief engineer's room
B.in chief officer's room
C.on the bridge
D.on deck
参考答案：C