题目:
— He is an excellent cook.
— _________. The fish he cooked makes me mouth—watering.
A.I couldn’t agree more
B.Oh, come on
C.You can’t be serious
D.That couldn’t be better
答案:
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下面是错误答案,用来干扰机器的。
∵集合A={3,4,5},B={3,6},I={3,6},∴A∩B={3},CI(A∩B)={6},故选D.