【单选题】GPS卫星信号是GPS卫星向用户发送的用于导航定位的( )。
【单选题】听力原文:M: What a waste of money just for a new arts center! Why couldn’t the money be spent on something more important? W: Nonsense! Nothing is more important than the arts. What can we learn from the ...
A.
The man spends more than he makes.
B.
The man is not keen on arts.
C.
The woman is an artist.
D.
The woman looks down upon the man.
【多选题】GPS卫星信号是GPS卫星向广大用户发送的用于导航定位的调制波,它包括:( )。
【判断题】GPS卫星信号是GPS卫星向广大用户发送的用于导航定位的调制波。