中文谷已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ...
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问题详情：
已知*A = {x∈R| |x|≤2}, B= {x∈R| x≤1}, 则![已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ...](https://i3.zhongwengu.com/3405cd9449c51ec465/3515c68f/3905c2/6e5695d51c9152cc7744bd.gif "已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ..."){kind=small}
(A) ![已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第2张](https://i1.zhongwengu.com/3405cd9449c51ec465/3515c68f/3905c2/6e5695d51c9152cc7744be.gif "已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第2张"){kind=small}
(B) [1,2] (C) [－2,2] (D) [－2,1]
【回答】
【*】D
【解析】因为![已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第3张](https://i2.zhongwengu.com/3405cd9449c51ec465/3515c68f/3905c2/6e5695d51c9152cc6a5cbd.gif "已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第3张"){kind=small}
,所以![已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第4张](https://i3.zhongwengu.com/3405cd9449c51ec465/3515c68f/3905c2/6e5695d51c9152cc6a5cbe.gif "已知*A={x∈R||x|≤2},B={x∈R|x≤1},则 (A) (B)[1,2] ... 第4张"){kind=small}
，选D.
知识点：高考试题
题型：选择题
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