gingerbread-man是什么意思
题目
gingerbread-man是什么意思
答案
gingerbread-man双语例句1. He's offered us his villa by the sea for two weeks. The only problem is that we can only have it in February, which rather takes the gilt off the gingerbread.\x09他把海边的别...
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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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