设集合M＝{x|0<x≤3}，N＝{x|0<x≤2}，那么“a∈M”是“a∈N”的(　　)_刷题宝

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设集合M＝{x|0<x≤3}，N＝{x|0<x≤2}，那么“a∈M”是“a∈N”的(　　)

A：充分而不必要条件

B：必要而不充分条件

C：充分必要条件

D：既不充分也不必要条件

上一题下一题 0.0难度选择题更新时间:2019-03-20 04:30:36

答案(点此获取答案解析）

B

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The Volleyball Club

The school volleyball club wants new members! We have good players from the school team. They can help you enjoy the game. We practise for an hour every afternoon from Wednesday to Friday.

Go to your PE teacher and buy sports shoes if you want to be with us.

Girls' Volleyball Match

Team: No.1 Middle School vs No. 2 Middle School

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