from endless homework on weekends,the students now find their own activities,such as taking a ride t
题目
from endless homework on weekends,the students now find their own activities,such as taking a ride together to watch the sunwise.
A、Freed B、Freeing C、To free D、having freed
——So you missed the meeting.
——____.I got there five minutes before it finished.
A、Not at all B、Not exactly C、Not especially D、Not really
答案
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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