1.A由中=1-得告-号书-2生岁=1+2,所以1=个+7-6.放选A2.B由题意得A={xx>3},所以A∩B=☑,则CR(A∩B)=R,故A错误:AUB={xx≤-1,或x>3},则CR(AUB)={x|-1-1},所以A∩(CRB)={x|x>3},故C错误:AU(CRB)={x|x>一1》,故D错误.故选B.