When ( ) the race ( (前一个括号填be动词,后一个括号填begin的某种时态),
题目
When ( ) the race ( (前一个括号填be动词,后一个括号填begin的某种时态),
回答:At two o'clock this afternoon.
答案
When is the race going to begin?将来时.
It is going to begin at two o'clock this afternoon.
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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