what is the advantages of the computers and dis advantage 写一段小短文
题目
what is the advantages of the computers and dis advantage 写一段小短文
答案
I give you the key points,you can elaborate it yourself.
Advantages:an easy access to huge amount of information; making communication between people much easier.
Disadvantages:harmful to people's health; some people may get addicted to computer games
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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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