A.She can give the man her notes for reference.
B.She can take notes for the man.
C.She can lend the man pencil and paper.
D.She can lend the man some money to buy pencil and paper.
第1题
A.{0,1,2}
B.{-1,0,1,2}
C.{-1,0,2,3}
D.{0,1,2,3}
第2题
A.{0,1,2}
B.{-1,0,1,2}
C.{-1,0,2,3}
D.{0,1,2,3}
第5题
设集合M={-1,0,1,2,8},N={x|x≤2},则M∩N=
A.{0,1,2}
B.{-1,0,1}
C.{-1,0,1,2}
D.{0,1}
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