假期我做了什么英语作文5句话
题目
假期我做了什么英语作文5句话
答案
Today is a nice day .
My mon asked me to help her did some housework.
First I washed my clothes ,and then cleaned my room.
This afternoon I went shopping with my friends,I bought a blue T-shirt .
Wow ,I have a full and happy day.
.
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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