my dream小学英语作文
题目
my dream小学英语作文
答案
my dream school is very big and nice.there are a lot of students in it.we can learn lessons in school.we can chat with friends after class.we can eat lunch in school too.we often have a good time in s...
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