题目

----It looks heavy. Can I give you a hand?    ----_______.    A. No, thanks      B. Yes, my pleasure    C. No, never mind  D. Yes, I do 答案:A已知全集U={1,2,3,4,5,6,8},若A={2,3,6},B={1,3,6,8},则?U(A∩B)=(  )A.{1,2,4,5,7,8}B.{1,5,7,8}C.{1,2,4,5,8}D.{1,2,8}
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