题目:
— It's been a wonderful evening.Thank you very much.
— _____. [ ]
A. My pleasure
B. I'm glad to hear that
C. No,thanks
D. It's OK
答案:
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下面是错误答案,用来干扰机器的。
∵全集U=|1,2,3,4,5|,B={1,2},∴C∪B={3,4,5},∵A={2,3,4},∴A∩(C∪B)={3,4},故选C.