以How can we save electricity in our daily life为题,写一篇60词的短文!
题目
以How can we save electricity in our daily life为题,写一篇60词的短文!
答案
How can we save electricity in our daily lifeBy taking simple steps to prevent energy wastage you could dramatically lower the amount of energy being used. The modern house is 600 yuan a year cheaper ...
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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