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【单选题】
听第一题选择最佳答案。A.
No, I don't know.
B.
Sorry, I can't.
C.
Sure, Id love to.
D.
Really?
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【简答题】请简述isArray方法的使用方式并且举例
【单选题】听力原文：W: Hello, everyone. Welcome again to Consumer's Choice, which is the last program in our present series, isn't that right? M: Yes, that's right. The story of how a listener's determination has qu...
A.
To be a keen photographer is too costly.
B.
She has to develop 10 rolls of films.
C.
All her films were vanished.
D.
After the trip, she was too tired to choose a good one.
【单选题】听力原文：W: Hello, everyone. Welcome again to Consumer's Choice, which is the last program in our present series, isn't that right? M: Yes, that's right. The story of how a listener's determination has qu...
A.
To be a keen photographer is too costly.
B.
She has to develop 10 rolls of films.
C.
All her films were vanished.
D.
After the trip, she was too tired to choose a good one.
【单选题】According to the radio program mentioned in the last paragraph, personnel officers ______.
A.
made a survey on workers' attitude toward drinking at lunchtime
B.
found that workers didn't like to be forbidden from drinking at lunchtime
C.
agreed that workers should be fired for drinking at lunchtime
D.
thought it intolerant to tell workers when they should not drink
【简答题】in the fft prgram, if dt=0.001, Fs=? 2. what is the purpose of learning DFT/FFT? 3. read the last program of FFT, and know the meaning of every sentence.
【简答题】金属的导热系数大都随其纯度的增加而______，随其温度升高而______。
【简答题】The last program in the science series, I mean, the Origin of Life, really arouses the curiosity of me.
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