求一篇以“MY colorful summer vacation"为题的一篇英语作文,
题目
求一篇以“MY colorful summer vacation"为题的一篇英语作文,
答案
This summer vacation I went to Beijing with my parents .We had a good time .First we went to visit the Great Wall because it is the one of the greatest wonders in the world.Second we visited the summe...
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
最新试题
热门考点