When the man saw the car accident on the hightway ,he stopped ( ) offer help .
题目
When the man saw the car accident on the hightway ,he stopped ( ) offer help .
when the street light go on ( ) they make a beautiful picture ,so different from the daytime
答案
to(不定式结构作目的状语)
When the street lights go on (at night) they make a beautiful picture,so different from the daytime.(提醒:与后面的daytime相对.)
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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