I did not know why he looked at me for such a long time.同义句
题目
I did not know why he looked at me for such a long time.同义句
还有 I went to bed late last night because I read my favourite book.也是同义句.
答案
I did not know the reason why he looked at me for such a long time.
I read my favourite book last night ,so I went to bed late
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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