交并补题目及答案简单
一、单项选择题(每题2分,共10题)
1.若集合\(A=\{1,2\}\),\(B=\{2,3\}\),则\(A\capB=\)()
A.\(\{1\}\)B.\(\{2\}\)C.\(\{3\}\)D.\(\{1,2,3\}\)
2.已知集合\(M=\{x|x1\}\),\(N=\{x|x2\}\),则\(M\cupN=\)()
A.\(\{x|x1\}\)B.\(\{x|x2\}\)C.\(\{x|1x2\}\)D.\(\varnothing\)
3.设全集\(U=\{1,2,3,4\}\),集合\(A=\{1,2\}\),则\(\complement_UA=\)()
A.\(\{1,2\}\)B.\(\{3,4\}\)C.\(\{1,3,4\}\)D.\(\{2,3,4\}\)
4.集合\(A=\{a,b\}\),\(B=\{b,c\}\),则\(A\cupB=\)()
A.\(\{a\}\)B.\(\{b\}\)C.\(\{a,b,c\}\)D.\(\{a,c\}\)
5.若集合\(P=\{x|-1x3\}\),\(Q=\{x|0x2\}\),则\(P\capQ=\)()
A.\(\{x|-1x0\}\)B.\(\{x|0x2\}\)C.\(\{x|2x3\}\)D.\(\{x|-1x3\}\)
6.全集\(U=\{0,1,2,3,4\}\),集合\(A=\{0,1,2\}\),\(B=\{2,3\}\),则\(A\cap(\complement_UB)=\)()
A.\(\{0,1\}\)B.\(\{2\}\)C.\(\{0,1,3\}\)D.\(\{0,1,2,3\}\)
7.已知集合\(A=\{1,3,5\}\),\(B=\{2,3\}\),则\(A\capB=\)()
A.\(\{1\}\)B.\(\{3\}\)C.\(\{5\}\)D.\(\{1,2,3,5\}\)
8.集合\(M=\{x|x^2-4=0\}\),则\(M=\)()
A.\(\{2\}\)B.\(\{-2\}\)C.\(\{2,-2\}\)D.\(\varnothing\)
9.若全集\(U=R\),集合\(A=\{x|x\geq1\}\),则\(\complement_UA=\)()
A.\(\{x|x1\}\)B.\(\{x|x\leq1\}\)C.\(\{x|x1\}\)D.\(\{x|x\geq1\}\)
10.集合\(A=\{1,2,3\}\),\(B=\{3,4\}\),则\(A\cupB\)中的元素个数为()
A.3B.4C.5D.6
二、多项选择题(每题2分,共10题)
1.已知集合\(A=\{1,2,3\}\),\(B=\{2,3,4\}\),则()
A.\(A\capB=\{2,3\}\)B.\(A\cupB=\{1,2,3,4\}\)C.\(A\subseteqB\)D.\(B\subseteqA\)
2.设全集\(U=\{1,2,3,4,5\}\),集合\(A=\{1,3\}\),\(B=\{3,4\}\),则()
A.\(\complement_UA=\{2,4,5\}\)B.\(\complement_UB=\{1,2,5\}\)C.\(A\capB=\{3\}\)D.\(A\cupB=\{1,3,4\}\)
3.集合\(M=\{x|x^2-3x+2=0\}\),\(N=\{1,2\}\),则()
A.\(M=N\)B.\(M\subseteqN\)C.\(N\subseteqM\)D.\(M\capN=\{1,2\}\)
4.若集合\(A=\{x|-2x2\}\),\(B=\{x|0x3\}\),则()
A.\(A\capB=\{x