题目
题型:单选题难度:简单来源:不详
x-1 |
x-2 |
A.(1,2) | B.(1,2] | C.[1,2) | D.[1,2] |
答案
x-1 |
x-2 |
∴CRA=[1,2],
故选D.
核心考点
举一反三
A.9 | B.11 | C.12 | D.14 |
A.a=2013,b=-2014 | B.a=-2013,b=2014 |
C.a=2013,b=2014 | D.a=-2013,b=-2014 |
x-1 |
x-2 |
A.(1,2) | B.(1,2] | C.[1,2) | D.[1,2] |
x-1 |
x-2 |
A.9 | B.11 | C.12 | D.14 |
A.a=2013,b=-2014 | B.a=-2013,b=2014 |
C.a=2013,b=2014 | D.a=-2013,b=-2014 |