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【单选题】
More and more people in modern societies get()due to the huge work pressure.A.
excited
B.
happy
C.
depression
D.
high
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举一反三
【判断题】The advantage of differential keying (e.g., pi/4-DQPSK) is that it is not important to know the absolute carrier phase. Only the change in carrier phase from one symbol to the next is important
A.
正确
B.
错误
【简答题】After surviving the Cultural Revolution, they firmly believed there's only one sure way to happiness: ______________. It is not important if I like the job or not. My dream would never come true. I wa...
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