用英文介绍你心中的英雄
题目
用英文介绍你心中的英雄
急
答案
我心目中的英雄(The hero in my heart)
Everyone's heart have a hero,maybe a person who save the people,maybe a animal who have got good spirit.
So far,I can't forget a person who helped plenty of people.His name is Leifeng.I think he was a good person.I can't understand why he was so friendly,but I really know,he was a hero in my heart.I looked up upon him.And I will do all things I can do to be the 2nd Leifeng.
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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