The person i want to make friends with 英文作文
题目
The person i want to make friends with 英文作文
答案
The person I want to make friends with must be a person who is genours and helpful.The friend is the person who you will ask for help when you are in difficulties,and if you don’t ask him/her,he/she ...
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
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