设A、B是非空集合,定义A×B={x|x∈A∪B且x??A∩B},已知A={x|y=},B={y|

设A、B是非空集合,定义A×B={x|x∈A∪B且x??A∩B},已知A={x|y=},B={y|y=2xx>0},则A×B等于       (      )

A、[0,+∞)  B、[0,1]∪[2,+∞)  C、[0,1)∪[2,+∞)  D、[0,1]∪(2,+∞)

答案

D


解析:

考查了集合的运算

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