题目内容
![](http://thumb.zyjl.cn/pic1/upload/papers/g02/20110124/201101241035335511181.gif)
[ ]
A.1
B.2
C.![](http://thumb.zyjl.cn/pic1/upload/papers/g02/20110124/20110124103557379888.gif)
D.
B.2
C.
![](http://thumb.zyjl.cn/pic1/upload/papers/g02/20110124/20110124103557379888.gif)
D.
![](http://thumb.zyjl.cn/pic1/upload/papers/g02/20110124/20110124103605754885.gif)
C
![](http://thumb.zyjl.cn/images/loading.gif)
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相关题目
.已知集合A={(x,y)|x,y∈R,且y=x+b},B={(x,y)|x,y∈R,且y=
},若A∩B的元素有且只有1个,则b的取值范围是( )
1+x2 |
A、-1≤b≤1 | ||
B、-1≤b≤1 且b=
| ||
C、-1≤b<1 且b=
| ||
D、-1<b<1 |
题目内容
[ ]
1+x2 |
A、-1≤b≤1 | ||
B、-1≤b≤1 且b=
| ||
C、-1≤b<1 且b=
| ||
D、-1<b<1 |