The two boys are very exciting.改错 A two B boys C are D cxciting
题目
The two boys are very exciting.改错 A two B boys C are D cxciting
They are watching a running race.A they B watching C a running race Su Yang want to take some photos.A Su Yang B want to C take D some photos What are you() A looking B looking for C finding
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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