A:
B:
C:
D:
①取代 ②加成 ③消去 ④酯化 ⑤水解 ⑥氧化 ⑦中和.
设全集U=R,集合A={x|m﹣2<x<m+2,m∈R},集合B={x|﹣4<x<4}.
(Ⅰ)当m=3时,求A∩B,A∪B;
(Ⅱ)若A⊆∁UB,求实数m的取值范围.
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