民族英雄作文 英语
题目
民族英雄作文 英语
帮我介绍一篇民族英雄的英语作文 （除詹天佑 杨利伟外）最好短一点 谢了
答案
Yue Fei is famous national hero in china. He lived in Chinese Song Dynasty. Song Dynasty was be invaded by Jing nationality which was north nomad then. Yue Fei leaded his army to attack Jing's army. H...
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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