tom grew found he was (h and happy but he couldnot look after himself one day his (p heard that
题目
tom grew found he was (h and happy but he couldnot look after himself one day his (p heard that
that there was a good doctor in town they (t the boy there they (h that the docotor might help him
答案
healthy
parents
toook
hoped
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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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