英语作文 暑假旅游的利与弊
题目
英语作文 暑假旅游的利与弊
暑假旅游的利与弊 的英文作文..
字数就100左右吧....
答案
Traveling during the summer vocation has advangages as well as disadvanges.Stuents have lots of time to spend and they don't need to worry about time.But there are too many people when we travel during our summer vocation.And it is hot,too.What's more,the tickets are more expensive especially the famous sighseeings.Sometimes there are so many people that we can't enjoy the beautiful scenery and the food.Sometimes It's hard for us to book a hotel.
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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