关于节约用水的英文文章 100词
题目
关于节约用水的英文文章 100词
答案
Water is very dear for our life,but very cheap in money.Every one has the responsibility to make contributions to water saving.Saving water at home,in the garden,or at work takes very little effort,but makes a big difference.
1、Use water in as much ways as you can.
2、Replace worn washers
3、Publicize the knowledge of water saving
Please remember the tips up,find more ways of water saving and start to Save Water today!
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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