英语作文我新同学
题目
英语作文我新同学
答案
The new term begins.We are students of Grade six.My classmates come back to school.Besides,we have a new class mates,Jiang Ting.She is a lovely girl.But she is shy to introduce herself in front of us.Before,she lived and studied in a small village.Now,she moved to our city with her parents,because her father works here now.She says that our campus is large and beautiful.She is so excited to study here.I hope she can have good days with us and make friends with us early.
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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