用英语写一篇文章"怎样处理网瘾
题目
用英语写一篇文章"怎样处理网瘾
答案
Dear Li Ming,I am awfully （非常）sorry for the problem you have mentioned in your letter.Network addiction not only destroys your health and affects your health,but also hurts your parents’ feelings...
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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