More and more people around the world are learning Chinese now.=more and more people _ _ the
题目
More and more people around the world are learning Chinese now.=more and more people _ _ the
world are learning Chinese now.
They must go to bed before 10:00 p.m.=_ is _ _ _ _ _ go to bed before 10:00 p.m.
It's not a good idea to keep a big dog in a small flat.=We _ keep a big dog in a small flat.
She must finish her work before playing with her cat.(否定句)she _ _ _ finish her work before _ _ with her cat.
答案
1..all over
2.It is necessary for them to
3.shouldn't
4.doesn't need to she plays
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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