更多"If the radio waves had reached our "的相关试题:
[单项选择]The practical use of radio waves brought about______.
A. new machines for planes
B. a radio directing and ranging device
C. new radio sets for RAF bombers
D. a discovering device
[单项选择]The British used radio waves because they______.
A. were more exact than sound waves
B. could not be discovered
C. could pass through fog and clouds
D. were easier to use than sound waves
[单项选择]Friend A: Just call me dad! My wife and I had our first baby.
Friend B: ______
A. What a nonsense!
B. Really Congratulations!
C. Dad, are you OK
D. Sorry to hear it.
[单项选择]It was in the rice fields ______ we had our league meeting.
A. where
B. that
C. in which
D. on which
[单项选择]We had our telephone ________ because we didn't pay the bill.
A. cut across
B. cut down
C. cut off
D. cut out
[单项选择]Radio signals are waves that are used to _________ music or speech.
A. transfer
B. transmit
C. transport
D. transform
[单项选择]Cox Radio, one of the nation's largest radio chains, plans to ______ its ties with independent record promoters to distance itself from a payola-like practice that runs rampant in the music business.
A. consolidate
B. tout
C. sever
D. splash
[单项选择]My favorite radio song is the one I first heard on a thick 1923 Edison disc I ______ at a garage sale.
A. trifled with
B. scraped through
C. stumbled upon
D. thirsted for
