They found a way to protect the old town after they had discussed it for two days的同义句是什么
题目
They found a way to protect the old town after they had discussed it for two days的同义句是什么
要怎么改为They _______ _______ _________ an idea to protect the old town after two days's____
答案
They came up with an idea to protect the old town after two days' discussion.
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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