Is there a lake in the forest?
题目
Is there a lake in the forest?
No,________ _________.
第二个问题:_______is my bag?
It's on the __________
(包是放在桌子上)
答案
no there isn't或者 no there's not
where is my bag?
It is on the desk
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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