【单选题】According to the article, what is a numbers station? a kind of radio station that unusual music and songs a kind of radio station that transmits strange sounds and signals a kind of radio station that...
A.
a kind of radio station that unusual music and songs
B.
a kind of radio station that transmits strange sounds and signals
C.
a kind of radio station that broadcasts news about secret messages
D.
a kind of radio station that helps people solve difficult math problems
【单选题】吉林几种秧歌中最为普及、最为灵活的一种是()。
【多选题】对于传感器的分类,可以从哪些角度来划分?
【多选题】If there is a passenger not feeling well in the station, what should station officers do?
A.
A station officer should come up and check the passenger out.
B.
A station officer should ask the ill passenger that if he needs some medicine or some rest.
C.
A station officer should call the ambulance if necessary.
D.
A station officer should do something to make the ill passenger feel comfortable with somebody else.