求一篇Last week 的短文【五句话】最简单的最好背的
题目
求一篇Last week 的短文【五句话】最简单的最好背的
答案
Last week I went to a park with my friends.It is a new park in our city,and its theme is plants.We saw many plants there,and also many beautiful flowers.And i took some photos for them.When I came hom...
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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