保护环境英语作文,80词 ————急用!
题目
保护环境英语作文,80词 ————急用!
答案
Please save the earth is a slogan that we can almost here every day now.Owing to the pollution and human activities,the environment of our world has been changed dramatically.The deforestation of the ...
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
最新试题
热门考点