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【单选题】
若非空集合A、B、C满足A∪B=C,且B不是A的子集,则“x∈C”是“x∈A”的(  )
A.
充分但不必要条件
B.
必要但不充分条件
C.
充要条件
D.
既不充分也不必要条件
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A.
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B.
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C.
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A.
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B.
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D.
7d±2h
E.
>28d±6h
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