英语翻译
题目
英语翻译
1.我们正在吃饭时电话铃响了.
2.别急,时间很充裕.
答案
We were having a meal when the the phone rang .
We were at table when the telephone rang .
While we were having a meal ,the telephone rang .
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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