以My computer and I写一篇40词的作文
题目
以My computer and I写一篇40词的作文
答案
My Computer and I
I have a computer. It’s on the study’s desk. It’s near and in front of the wall. It has a display, two small sound boxes, a big sound box, a printer and a host computer. Much software is installing the computer. I often play computer games on weekends and holidays, I’m happy. I often work with computer. At my fatigue, I listen to song; the song can reduce fatigue for me. It’s my faithful fellow. It occasionally is able to infect virus. But the computer is the good assistant whom I live. I love my computer.
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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