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【单选题】
回声测深仪的最小测量深度取决于________。 80A.
脉冲周期
B.
发射频率
C.
声波传播速度
D.
发射脉冲宽度
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举一反三
【单选题】I shall continue to believe it()I have proof () the contrary.
A.
untill,on
B.
untill,to
C.
unless,upon
D.
unless,for
【单选题】The turning point for me is that I finally have the confidence to believe that I can make something of my life, without resorting to crime.
A.
turning to
B.
turning over
C.
turning in
D.
turning up
【简答题】Raelene: What are your chances of getting that job?Burt: I believe I have a very good chance.
【单选题】I strongly believe that it is rather important to be a good listener. And although I have become a better listener than I was ten years ago, I have to admit I'm still only an adequate listener. Effect...
A.
accept the speaker's thought critically
B.
respond to the speaker's words slowly
C.
wait for the chance to respond patiently
D.
reply the speaker's questions patiently
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