将下列句子改写成含有定语从句的句子.
题目
将下列句子改写成含有定语从句的句子.
There were some people rowing on the river.
We are reading the letter written by Sara.
答案
There were some people rowing on the river.There were some people who were rowing on the river.We are reading the letter written by Sara.We are reading the letter which was written by Sara.
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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