1 |
2 |
A.[
| B.[-1,1] | C.[
| D.(-∞,
|
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
2 |
| ||
2 |
2 |
|
A.(-1,0)∪(0,1) | B.(-∞,-1)∪(1,+∞) | C.(-1,0)∪(1,+∞) | D.(-∞,-1)∪(0,1) |
2 |
lnx |
4-x2 |
A.[2,+∞) | B.(3,+∞) | C.[3,+∞) | D.(-∞,+∞) |
A.{x|x>-
| B.{x|x>
| C.{x|x>-
| D.{x|x>0} |
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