请帮我把一下句子分清事态 1 .how do you go to canada?2.where is the bookstore?
题目
请帮我把一下句子分清事态 1 .how do you go to canada?2.where is the bookstore?
3.how can i get to the hospital?
4.what are they going to afterschool?
where are you goingt now
what's he doing now
what' the date today
what day is it today
what time is it
how are you going to school
答案
一般现在时.
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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