On the night before the college entrance examination,the girl was so nervou that she
题目
On the night before the college entrance examination,the girl was so nervou that she
On the night before the college entrance examination,the girl was so nervou that
she ____(stay) awake 正确形式填写
答案
stayed
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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