Great changes in my homtown 英语作文、
题目
Great changes in my homtown 英语作文、
答案
Great Changes in My Hometown
I used to live in a small town with trees all around. There was no tall building and the only street was narrow. Just outside the town, there was a river. You can see different kinds of fish swimming in the clear water. People here lived a simple life.
Great changes have taken place here. You can see tall buildings, big department stores and factories everywhere. Different kinds of cars and buses are running in the big streets. But with the development of the industry, we have fewer trees. Air and water pollution is becoming more and more serious. We must do something to stop pollution and make our town even more beautiful
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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