会写英语作文的进!
题目
会写英语作文的进!
英语作文
自己是李华,主题是My hero 写一篇发言稿.介绍身残志坚的同学王跃 120词左右
答案
Wang Yue,a 17-year-old boy,is my classmate.He can't walk normally as others do.However,he is always ready to help others if possible.One day he managed to help an old blind man cross the road.I still remember he offered his seat to a lady with a baby in her arms.He set a good example to us.
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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