有关现在和过去的英语短文
题目
有关现在和过去的英语短文
答案
主要是讲述现在和过去的变化,基本符合您的要求.
In the recent years,the economy of city develops quickly.In the past,people lived in a low house,the students studied in an old school,the farmers planted crops with the help of farm animals.Nowadays,the situation is different.People live in a tall building,students study in a moderm school and the farmers plant crops with the help of farm machines.The city becomes better and better.
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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