二年级英语自我介绍?
题目
二年级英语自我介绍?
答案
Hello,everyone.My name is XXX.I am XX(比如:eight) years old.I study in XXX(比如:Zhongguancun No.1) primary school.I like to watch football very much.I am good at playing piano and drawing.There are three peoples in my family:My father,my mother and I.We are a happy family!
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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