自我介绍
题目
自我介绍
要一百个单词左右 姓名chengchunting
答案
Hello!My name is ChengChunting,I'm a girl and I'm thirteen years old.I'm from China.I study in Beijing International School,I'm in Class One,Grade Seven.My favourite food is tamatoes,and my favourite drink is milk.I can sweep the floor,wash the clothes.There are five people in my family-my grandparents,my parents and me.My father is a teacher,my mother is a doctor.They work hard.I love my family!
怎么样,不错吧!
没人理你?!谁叫你不给分!
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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