学 海 无 涯
1
高中数学集合历届高考练习题
( )1、若集合A ={x ∈R | ax 2+ax +1=0} 其中,只有一个元素,则a 为
A. 4
B. 2
C. 0
D. 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 | x 2≤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 ={1,2},B ={2,3,4},则A ∩(C U B )=
A. {1,2,5,6}
B. {1}
C. {2}
D. {1,2,3,4} ( )7、已知集合A ={x | x =3n +2,n ∈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 ∩C U B = A. {2,5} B. {3,6} C. {2,5,6} D. {2,3,5,6,8}
( )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(C R A )∩B =
A. {0,1}
B. {0}
C. {2,4}
D. ∅ ( )14、已知集合A ={x ∈N | x −3≤0},B ={x ∈Z | x 2+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 | x 2−3x ≤0},B ={0,2,4,6},则集合A ∩B =
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 ={x |−1≤2x −1≤0},则C R A ∩B =
A. (4,+∞)
B. [0,1
2] C.
(1
2,4] D. (1,4]
( )18、已知集合A ={x | y =√x −x 2},B ={y | y −1<0},则A ∩B =
A. (−∞,1)
B. (−∞,1]
C. [ 0,1)
D. [ 0,1]。