求英语范文Computers help a lot in our study.
题目
求英语范文Computers help a lot in our study.
答案
Computers help a lot in our study
Couputers are really helpful in our life today.For example,first,when we want to send letters quickly to friends for changing study methods,we can use e-mails.After we send it,the people of our friend will receive at once.Second,we can use it to listen many English songs quickly by the mouse for the English study.Third,we can use it to watch many English movies for practise our English and so on.Oh,the computers are really helpful in our study.
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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