Our class has a school trip on May 4th.改为否定句怎么改?对时间提问成疑问句呢?
题目
Our class has a school trip on May 4th.改为否定句怎么改?对时间提问成疑问句呢?
答案
Our class doesn't have as shcool trip on May.4th
when does your class have a school trip .
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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