英语作文互联网信息
题目
英语作文互联网信息
答案
People always read messages on newspaper before, but now there is a large number of people search information in the Internet. For me, I have good impression for it. Internet t information is very convenient and wide. People can search the information on the internet only open their computer. Besides, the Internet information ranges very widely. It contains all fields’ information. It is almighty. It knows everything. In addition, nearly all the information on the Internet is free. People do not need to spend money on it. Not like newspaper. So, Internet informati
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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