He had looked at his watch.He went to the station.连成一句.
题目
He had looked at his watch.He went to the station.连成一句.
答案
He had booked at his watch before he went to the station.
或:He went to the station as soon as he had looked at his watch.
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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