the Chinese part of the river that is called the Mekong River in other countries是不是定语从句
题目
the Chinese part of the river that is called the Mekong River in other countries是不是定语从句
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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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