专题一 集合与常用逻辑用语第一讲 集合

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专题一 集合与常用逻辑用语

第一讲 集合

2019年

1.(2019全国Ⅰ文2)已知集合{}{}{}1,2,3,4,5,6,72,3,4,52,3,6,7U

A B ===,,,则U B A =I ð

A .{}1,6

B .{}1,7

C .{}6,7

D .{}1,6,7 2.(2019全国Ⅱ文1)已知集合={|1}A x x >-,{|2}B x x =<,则A ∩B =

A .(–1,+∞)

B .(–∞,2)

C .(–1,2)

D .∅

3.(2019全国Ⅲ文1)已知集合2{1,0,1,2}{1}A B x x =-=≤,,则A B =I

A .{}1,0,1-

B .{}0,1

C .{}1,1-

D .{}0,1,2 4.(2019北京文1)已知集合A ={x |–11},则A ∪B =

(A )(–1,1) (B )(1,2) (C )(–1,+∞) (D )(1,+∞)

5.(2019天津文1)设集合{}1,1,2,3,5A =-,{}2,3,4B = ,{|13}C x R x =∈<„ ,则()A C B =I U

(A ){2}

(B ){2,3} (C ){-1,2,3} (D ){1,2,3,

4}

6.(2019江苏1)已知集合{1,0,1,6}A =-,{|0,}B x x x =>∈R ,则A B =I .

7.(2019浙江1) 已知全集{}1,0,1,2,3U =-,集合{}0,1,2A =,{}1,0,1B =-,则U A B I ð=

A .{}1-

B .{}0,1

C .{}1,2,3-

D .{}1,0,1,3-

2010-2018年

一、选择题

1.(2018全国卷Ⅰ)已知集合{0,2}=A ,{21012}=--,

,,,B ,则A B =I A .{0,2} B .{1,2} C .{0} D .{21012}--,

,,, 2.(2018浙江)已知全集{1,2,3,4,5}U =,{1,3}A =,则=U A ð

A .∅

B .{1,3}

C .{2,4,5}

D .{1,2,3,4,5}

3.(2018全国卷Ⅱ)已知集合{}1,3,5,7A =,{}2,3,4,5B =,则A B =I

A .{3}

B .{5}

C .{3,5}

D .{}1,2,3,4,5,7

4.(2018北京)已知集合{|||2}A x x =<,{2,0,1,2}B =-,则A B =I

A .{0,1}

B .{–1,0,1}

C .{–2,0,1,2}

D .{–1,0,1,2}

5.(2018全国卷Ⅲ)已知集合{|10}A x x =-≥,{0,1,2}B =,则A B =I

A .{0}

B .{1}

C .{1,2}

D .{0,1,2}

6.(2018天津)设集合{1,2,3,4}A =,{1,0,2,3}B =-,{|12}C x x =∈-

()A B C =U I

A .{1,1}-

B .{0,1}

C .{1,0,1}-

D .{2,3,4}

7.(2017新课标Ⅰ)已知集合{|2}A x x =<,{320}B x =->,则

A .3

{|}2

A B x x =

C .3{|}2A B x x =

D .A B =R U 8.(2017新课标Ⅱ)设集合{1,2,3}A =,{2,3,4}B =则A B U =

A .{1,2,3,4}

B .{1,2,3}

C .{2,3,4}

D .{1,3,4}

9.(2017新课标Ⅲ)已知集合{1,2,3,4}A =,{2,4,6,8}B =,则A B I 中元素的个数为

A .1

B .2

C .3

D .4

10.(2017天津)设集合{1,2,6}A =,{2,4}B =,{1,2,3,4}C =,则()A B C =U I

A .{2}

B .{1,2,4}

C .{1,2,4,6}

D .{1,2,3,4,6}

11.(2017山东)设集合{}11M x x =-<,{}2N x x =<,

则M N =I A .()1,1- B .()1,2- C .()0,2

D .()1,2 12.(2017北京)已知U =R ,集合{|22}A x x x =<->或,则U A ð=

A .(2,2)-

B .(,2)(2,)-∞-+∞U

C .[2,2]-

D .(,2][2,)-∞-+∞U

13.(2017浙江)已知集合{|11}P x x =-<<,{|02}Q x x =<<,那么P Q U =

A .(1,2)-

B .(0,1)

C .(1,0)-

D .(1,2)

14.(2016全国I 卷)设集合{1,3,5,7}A =,{|25}B x x =≤≤,则=A B I

A .{1,3}

B .{3,5}

C .{5,7}

D .{1,7}

15.(2016全国Ⅱ卷)已知集合{1

23}A =,,,2{|9}B x x =<,则A B =I A .{210123}--,,,,, B .{21012}--,,,, C .{123},, D .{12},

16.(2016全国Ⅲ)设集合{0,2,4,6,8,10},{4,8}A B ==,则A B ð=

A .{48},

B .{026},,

C .{02610},,,

D .{0246810},,,,,

17.(2015新课标2)已知集合}21|{<<-=x x A ,}30|{<<=x x B ,则A B U =

A .)3,1(-

B .)0,1(-

C .)2,0(

D .)3,2(

18.(2015新课标1)已知集合{32,},{6,8,10,12,14}A x x n n N B ==+∈=,则集合A B I

中的元素个数为

A .5

B .4

C .3

D .2

19.(2015北京)若集合{|52}A x x =-<<,{|33}B x x =-<<,则A B I =

A .{|32}x x -<<

B .{|52}x x -<<

C .{|33}x x -<<

D .{|53}x x -<<

20.(2015天津)已知全集{1,2,3,4,5,6}U =,集合{}2,3,5A =,集合{1,3,4,6}B =,则

集合U A B =I ð