8.设全集U={−2U=\{-2U={−2,−1-1−1,0,1,2,3}3\}3},集合A={−1A=\{-1A={−1,1}1\}1},B={−1B=\{-1B={−1,2,3}3\}3},则(∁UA)⋂B=((\complement _{U}A)\bigcap B=((∁UA)⋂B=( )))