What do you think of computer games?(写3个想法,优点缺点各3个,用英语）
题目
What do you think of computer games?(写3个想法,优点缺点各3个,用英语）
答案
advantage：1 process information at once2 It can help categorize information in a systematic matter so that we can find what we need instantly3 No longer is there a need for us to look for a book shel...
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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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