求一篇简单的英语作文
题目
求一篇简单的英语作文
题目是WHY I like learning english
10句话左右
答案
Why I like learning English?Firstly,English is very useful.English is the most widely used language in the world.If we make a visit to foreign countries or do business with foreigners,we need communicate with them in English.Secondly,with China becoming stronger and stronger,we have more chances to go abroad.We can know the English-speaking countries much deeper if we know English.Both China and English-speaking countries have realized the importance of the culture exchanging.Above all,English is useful and important,we must master English.
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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