her talk was so(excited/exciting),that everyone was (excited/exciting)at that time 选哪个
题目
her talk was so(excited/exciting),that everyone was (excited/exciting)at that time 选哪个
答案
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点
- 小明的年龄是妈妈年龄的四分之一,妈妈和小明的年龄和是45岁.小明和妈妈今年各多少岁?
- L am cindy.(变一般疑问句并作肯定回答)
- 居陋室,刘禹锡安贫乐道的下联
- 什么是学英语最好的方法.
- 把下列句子合并成宾语从句
- 爱尔克的灯光体会出作者怎样的思想感情
- What does your mother ____?-She is tall and thin A.like B.look C.look like D.be like
- 向量a=(2,-2),b=(cosA,sinA),向量a//b,求角A的大小?
- 研究气体可逆反应时,有时如果反应物浓度增大,压强也会增大.那我判断化学平衡往哪里移动时看压强影响还
- 第n主族元素其最高价氧化物分子式为R2On,氢化物分子式为