关于交通事故的一篇英文作文,60词左右
题目
关于交通事故的一篇英文作文,60词左右
答案
last sunday i went shopping with my friend alice.Then,A grandmother wants to go arcoss to the road.But a car coming in that time .Luckily,many people came to helps with grandmother.Finally,the person who drive the car went to the policeman and the grandmother went to the hospital.This story tell us,we have to take care for go aross the road and we must obey the traffic rules.
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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