第一章集合与函数的概念
一、选择题
1 .设全集U={1,2,3,4,5,6} ,设集合P={1,2,3,4} ,Q{3,4,5},则P∩(C U Q)= (
)
A .{1,2,3,4,6}
B .{1,2,3,4,5}
C .{1,2,5}
D .{1,2}
2 .
设集合A ={x |1 R B )= ( ) A .(1,4) B .(3,4) C .(1,3) D .(1,2) 3 . 设 集 合 {,} A a b =, {,,} B b c d =, 则 A B = ( ) A .{}b B .{,,}b c d C .{,,}a c d D .{,,,}a b c d 4 . 已知全集{0,1,2,3,4}U =,集合{1,2,3} A =,{2,4} B =,则 () U A B 为 ( ) A .{1,2,4} B .{2,3,4} C .{0,2,4} D .{0,2,3,4} 5 .已知全集 U={0,1,2,3,4,5,6,7,8,9},集合A={0,1,3,5,8},集合 B={2,4,5,6,8}, 则()()U U C A C B ?= ) A .{5,8} B .{7,9} C .{0,1,3} D .{2,4,6} 6 . 已知 集 合 A={x |x 2-x -2<0},B={x |-1 则 ( ) A .A ?≠B B .B ?≠A C .A=B D .A∩B=? 7 .若全集 U={x∈R|x 2≤4} A={x∈R||x+1|≤1}的补集CuA 为 ( ) A .|x∈R |0 B .|x∈R |0≤x<2| C .|x∈R |0 D .|x∈R |0≤x≤2| 8 . 设集合 {}{} 21,0,1,|M N x x x =-==,则 M N ?= ( ) A .{}1,0,1- B .{}0,1 C .{}1 D .{}0 9 .已知集合{}{}2 |320,,|05,A x x x x R B x x x N = -+=∈=<<∈,则满足条件 A C B ??的 集合 C 的个数为 ( ) A .1 B .2 C .3 D .4 10. (集合)设集合{} 1,2,3,4,5,6U =, {} 1,3,5M =,则 U C M = ) A .{}2,4,6 B .{}1,3,5 C .{}1,2,4 D .U 11. 已知集合{}{}1,2,3,4,2,2M N ==-,下列结论成立的是 ( ) A .N M ? B .M N M ?= C .M N N ?= D .{}2M N ?= 12.已知集合{}|A x x = 是平行四边形,{}|B x x =是矩形, {}|C x x =是正方形,{}|D x x =是菱形,则( ) A .A B ? B . C B ? C . D C ? D .A D ? 13.已知集合{}320A x R x = ∈+>,{}(1)(3)0B x R x x =∈+->,则A B =( ) A .(,1)-∞- B .2 (1,)3 -- C .2(,3)3 - D .(3,) +∞ 14 .已知集合{1,2,3,4,5}A =,{(,),,}B x y x A y A x y A =∈∈-∈;,则B 中所含 元素的个数为 ( ) A .3 B .6 C .8 D .10 15 .集合{|lg 0}M x x =>,2 {|4}N x x =≤,则M N =( ) A .(1,2) B .[1,2) C .(1,2] D .[1,2] 16 .已知全集{}0,1,2,3,4U =,集合{}{}1,2,3,2,4A B ==,则U C A B 为 ( ) A .{}1,2,4 B .{}2,3,4 C .{}0,2,4 D .{}0,2,3,4 17 .已知全集 U={0,1,2,3,4,5,6,7,8,9},集合A={0,1,3,5,8},集合 B={2,4,5,6,8}, 则 ) ()(B C A C U U 为 ( ) A .{5,8} B .{7,9} C .{0,1,3} D .{2,4,6} 18 . 设 集 合 M={-1,0,1},N={x|x 2≤x}, 则 M∩N= ( ) A .{0} B .{0,1} C .{-1,1} D .{-1,0,0} 19 . (集合)设集合{} 1,2,3,4,5,6U =,{} 1,2,4M =,则 U C M = ( ) A .U B .{}1,3,5 C .{}3,5,6 D .{}2,4,6 20 . 已知集合 {{},1,,A B m A B A ==?=,则m = ( ) A .0 B .0或3 C .1 D .1或3 21 .已知集合{}320A x R x = ∈+>,{}(1)(3)0B x R x x =∈+->,则A B = ( ) A .(,1)-∞- B .2 (1,)3 -- C .2(,3)3 - D .(3,)+∞ 22.若集合 A={-1,1},B={0,2},则集合{z ︱z=x+y,x∈A,y∈B}中的元 素的 个 数 为 ( )