急求一篇英语作文 介绍笔友的 自己写的 50词
题目
急求一篇英语作文 介绍笔友的 自己写的 50词
答案
Hi everyone .Today I prepared introducing my pen pal.His/Her name is XX,a (年龄)-year-old girl/boy.he /She is not outgoing,but he/she polite and serious.his/her eyes is big and hair is long.he/she has many hobbies,such as listening to the music,seeing films,surfing the internet and so on.But,his/her favorite thing is reading some interesting books .I hope you all like my pen Pal.that is all.
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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