改变英语句型
题目
改变英语句型
例子：The ball belongs to David. 改成了：It's David's ball.
1, He's the cousin of Claudia.
2, The bag belongs to me.
3, The jacket belongs to him.
4, I'm the brother of Ken.
5, The bone belongs to the dog.
答案
1,He's Claudia's cousin.
2,It's my bag.
3,It's his jacket.
4,I'm Ken's brother.
5,It's the dog's bone.
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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