There is a fire alarm in the corridor.(对划线部分提问) 划在a fire alarm ____ ___ in the corridor?
题目
There is a fire alarm in the corridor.(对划线部分提问) 划在a fire alarm ____ ___ in the corridor?
kuai
what happens 还是
what is there in the corridor还是
What has happened in the corridor
答案
what happens
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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