高中数学集合历届高考练习题 1、若集合A={x∈R | ax2+ax+1=0} 其中;只有一个元素;则a为
{1,2},B={2,3,4},则A∩(CUB)= A. {1,2,5,6} B. {1} C. {2} D.
{1,2,3,4}
A. 4 B. 2 C. 0 D. 7、已知集合A={x | x=3n+2,n∈0或4
2、若集合A={1,2,3},B={1,3,4},则A∩B的子集个数为
A. 2 B. 3 C. 4 D.16
3、已知集合A={1,3,√m},B={1,m},A∪B=A,则m为
A. 0或√3 B. 0或3 C. 1或√3 D. 1或3
4、设集合A={1,2,3,4,5,6},B={4,5,6,7},则满足S?A且S∩B≠? 的集合S为
A. 56 B. 49 C. 42 D. 8
5、已知集合P={x | x2≤1},M={a},若P∪M=P,则a 的取值范围是
A. (−∞,−1] B. [1,+∞) C. [ −1,1] D. (−∞,−1]∪
[1,+∞)
6、设全集U={1,2,3,4,5,6},A=
N},B={6,8,10,12,14},则集合A∩B中的元素个数为
A. 5 B. 4 C.3 D.2
8、已知集合A={x |−1<𝑥<
2},B={x | 0<𝑥<3},则A∩B=
A. ( −1,3) B.
(−1,0) C. (0,2) D. (2,3)
9、若集合A={x |−5<𝑥<2},B={x |−3<𝑥<3},则A∩B= A. {x |−3<𝑥<2} B.
{x |−5<𝑥<2} C. {x |−3<𝑥<3} D.
{x |−5<𝑥<3}
10、若集合M={x |−2≤x<2},N=
{0,1,2},则M∩N= A. {0} B. {1} C. {0,1,2} D. {0,1}
11、已知全集U=
{1,2,3,4,5,6,7,8},集合A={2,3,5,6},集合B=
{1,3,4,6,7},则集合A∩CUB=
A. {x | 0≤x≤3} B. {0,2} C. { 0,2,4,6} D. {2} 17、已知集合A={x | x−4≥0},B=
A. {2,5} B. {3,6} {x |−1≤2x−1≤0},则CRA∩B= C. {2,5,6} D. {2,3,5,6,8} 1A. (4,+∞) B. [0,] 12、已知集合M={x | (x−1)2<4,x∈R},N={−1,0,12,3},则M∩N=
A. {0,1,2} B. {−1,0,1,2} C. {−1,0,2,3} D. {0,1,2,3} 13、已知集合A={x | x>1},B={0,1,2,4},则(CRA)∩B=
A. {0,1} B. {0} C. {2,4} D.
14、已知集合A={x∈N | x−3≤0},B={x∈Z | x2+x−2≤0},则集合A∩B=
A. {1} B. {0,1} C. {0,1,2} D.
{1,2}
15、已知集合A={x | −1<𝑥<
2},B={x | 0<𝑥<3},则集合A∪B=
A.-1;3 B.-1;0 C.0;2 D.2;3 16、若集合A={x∈R | x2−3x≤0},B={0,2,4,6},则集合A∩B=
2
C. (1
2,4] D. (1,4]
18、已知集合A={x | y=√x−x2},B=
{y | y−1<0},则A∩B= A. (−∞,1) B. (−∞,1] C. [ 0,1) D. [ 0,1]