帮忙写一篇英语演讲稿题目my hometown
题目
帮忙写一篇英语演讲稿题目my hometown
答案
My hometown is Dalian which locates in the Liaotong Peninsula.It is the biggest coastal city in North China.And it is also the biggest habour in Liaoning Province.It enjoys high good reputation of "garden city".With a lot of beautiful trees and flowers around the city,people living there feel very proud of beautiful scenery.At same time ,Dalian is one of the important industral cities.And it is famous for its shipping industry.Dalian ,a city I born and grown up ,is my love!
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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