Weather forecast messages are usually ______.
A.broadcast immediately on VHF Channel 16 and 2182 kHz
B.given only to TV stations
C.broadcast in plain language
D.transmitted only by commercial broadcast stations
正确答案是C
Weather forecast messages are usually ______.
A.broadcast immediately on VHF Channel 16 and 2182 kHz
B.given only to TV stations
C.broadcast in plain language
D.transmitted only by commercial broadcast stations
正确答案是C