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【单选题】
在 种输入情况下,“或非”运算的结果是逻辑0。A.
全部输入是0
B.
全部输入是1
C.
任一输入为0
D.
任一输入为1
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举一反三
【简答题】You ____that letter to James. However, you didn’t.
【单选题】I appreciate ______that letter for me.
A.
you to write
B.
your writing
C.
you write
D.
that you writing
【单选题】You that letter to James. However, you didn't.
A.
ought to write
B.
ought to have written
C.
should write
D.
should be writing
【单选题】听力原文：W: Did you read that letter in the newspaper about smoking? The person who wrote that must be crazy. M: I don't think so. I think the government should do everything it can to discourage people f...
A.
A man.
B.
A letter in the newspaper.
C.
A law.
D.
The government.
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