优优班--学霸训练营 > 知识点挑题
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            • 1.
              设集合\(A=\{1,2,3,4\}\),\(B=\{-1,0,2,3\}\),\(C=\{x∈R|-1\leqslant x < 2\}\),则\((A∪B)∩C=(\)  \()\)
              A.\(\{-1,1\}\)
              B.\(\{0,1\}\)
              C.\(\{-1,0,1\}\)
              D.\(\{2,3,4\}\)
            • 2.
              已知集合\(A=\{x|-1 < x < 2\}\),\(B=\{x|0 < x < 3\}\),则\(A\bigcup B=\)
              A.\((-1,3)\)
              B.\((-1,0)\)
              C.\((0,2)\)

              D.\((2,3)\)
            • 3.
              设集合\(A=\{1,2,3\}\),\(B=\{2,3,4\}\),则\(A∪B=(\)  \()\)
              A.\(\{1,2,3,4\}\)
              B.\(\{1,2,3\}\)
              C.\(\{2,3,4\}\)
              D.\(\{1,3,4\}\)
            • 4.
              设集合\(A=\{1,2,6\}\),\(B=\{2,4\}\),\(C=\{1,2,3,4\}\),则\((A∪B)∩C=(\)  \()\)
              A.\(\{2\}\)
              B.\(\{1,2,4\}\)
              C.\(\{1,2,4,6\}\)
              D.\(\{1,2,3,4,6\}\)
            • 5. 已知集合\(A=\{x|x^{2} < 2-x\}\),\(B=\{x|-1 < x < 2\}\),则\(A∪B=(\)  \()\)
              A.\((-1,1)\)
              B.\((-2,2)\)
              C.\((-1,2)\)
              D.\((-2,1)\)
            • 6. 已知集合\(A=\{-1,a\}\),\(B=\{\log _{2}a,b\}\),若\(A∩B=\{1\}\),则\(A∪B=(\)  \()\)
              A.\(\{-1,0\}\)
              B.\(\{0,1,3\}\)
              C.\(\{-1,1\}\)
              D.\(\{-1,0,1\}\)
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