补全句子:It's hot and ____ in summer.
图中具有稳定性的是( )
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.