gaokao 2020 Q1

gaokao · China · national-II-science 5 marks Inequalities Set Operations Using Inequality-Defined Sets
Given sets $U = \{ - 2 , - 1,0,1,2,3 \} , A = \{ - 1,0,1 \} , B = \{ 1,2 \}$ , then $\complement _ { U } ( A \cup B ) =$
A. $\{ - 2,3 \}$
B. $\{ - 2,2,3 \}$
C. $\{ - 2 , - 1,0,3 \}$
D. $\{ - 2 , - 1,0,2,3 \}$
Given sets $U = \{ - 2 , - 1,0,1,2,3 \} , A = \{ - 1,0,1 \} , B = \{ 1,2 \}$ , then $\complement _ { U } ( A \cup B ) =$

A. $\{ - 2,3 \}$

B. $\{ - 2,2,3 \}$

C. $\{ - 2 , - 1,0,3 \}$

D. $\{ - 2 , - 1,0,2,3 \}$