【单选题】
函数f(x)=ln(x+1),求函数定义域
【单选题】
对于函数在定义区间上的两点x1和x2,当x1<x2时,f(x1)<f(x2),则称函数在区间上是________.
【单选题】
已知 <img class=jc-formula data-tex=f\left( x \right) =ln(\sqrt { x2+1 } +x) src=https://huaweicloudobs.ahjxjy.cn/3FE1900CD9B07D9086860790C332B0D1.png style=vertical-align: middle;/>,判断奇偶性。
【单选题】
Throughthewindowwecanseenothingbut_______buildings.
【单选题】
He was a good swimmer so he________swim to the river bank when the boat sank.
【单选题】
Few of them hurt themselves in the accident last night,_________?
【单选题】
The joke told by Tom made us________,so the teacher couldnt make himself_______.
【单选题】
If it is fine tomorrow,we________a football match.