Sally,Kate and Ben want to Xiamen in the summer vacation.They had a very good time there.In the
题目
Sally,Kate and Ben want to Xiamen in the summer vacation.They had a very good time there.In the
morning they climbed the mountains.Inthe after-noon they swam in the sea.And they learned to play the piano in the evening.They visited Gulangyu and took many photos.They drank tea and ate lots of small cakes by the sea.How happy they were!的意思
答案
莎莉,凯特和本想在暑假去厦门.他们在那儿玩得非常开心.早上,他们去爬山.下午,他们在海里游泳.他们学着在晚上弹钢琴.他们参观了鼓浪屿,并拍了许多照片.他们在海边喝了茶,吃了很多小蛋糕.他们是多么幸福!
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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