The great social phenomenon of this depression,unlike other before it, is that it has produced but a
题目
The great social phenomenon of this depression,unlike other before it, is that it has produced but a few of the disorderly manifestations that too often attend upon such times.这句话中"but"至后面的句子结构看不懂,that too often attend upon such times是定语从句?but后面的主谓宾是什么?
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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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