题目
题型:单选题难度:简单来源:不详
A.[0,1]∪(2,+∞) | B.(-∞,2] | C.[0,2] | D.[0,1] |
答案
故选D
核心考点
举一反三
A.{2} | B.{5} | C.{1,2,3,4} | D.{1,3,4,5} |
A.{-1,0,1,2} | B.{0,1,2} | C.{-1,0,1} | D.{0,1} |
A.[0,1]∪(2,+∞) | B.(-∞,2] | C.[0,2] | D.[0,1] |
A.{2} | B.{5} | C.{1,2,3,4} | D.{1,3,4,5} |
A.{-1,0,1,2} | B.{0,1,2} | C.{-1,0,1} | D.{0,1} |