a |
b |
a |
b |
a |
b |
a |
b |
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.非充分非必要条件 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a1 |
a2 |
b1 |
b2 |
c1 |
c2 |
3 |
x+1 |
A.a<1 | B.a≤1 | C.a<2 | D.a≤2 |
π |
2 |
π |
4 |
A.①② | B.②③ | C.③④ | D.①④ |
π |
4 |
3 |
π |
4 |
π |
2 |
© 2017-2019 超级试练试题库,All Rights Reserved.