一篇英语作文 电子词典的好处坏处以及你的看法
题目
一篇英语作文 电子词典的好处坏处以及你的看法
120字左右
答案
About Tele-dictionary
Nowadays many people use tele-dictionaries to look up words.I know it is very convenient .We can put it in the bag or in our pocket and we can carry it anywhere.
In addition,many tele-dictionaries have many other effects.For exaple,we can take time schedule in it,store some important messages in it ,such as friends' adresses,E-mail,telephone numbers.
On the other hand,maybe we will depend on the tele-dictionary.That is to say,when we meet a new word in reading,we will refer to it without thinking about it ourselves.So it can make us lazy.
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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