改错 I was caught by the rain last night ; he had little to eat and a large house to live in;
题目
改错 I was caught by the rain last night ; he had little to eat and a large house to live in;
I have only a pen ,not two ;He entered from the front door;He rose his handbefore asking the question;Enough have been said about it;The thief wanted to get in and stole something;It won't be long before they will get married;Man can travel in the space;
答案
and改成 but ,表示没有吃的,但有个大房子
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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