I would like to travel to Paris,the c_ of F_.
题目
I would like to travel to Paris,the c_ of F_.
They paid a visit to the Summer P_.It's one of the most interesting p_ ing China
M_ adults enjiy w_ TV.
答案
capital France
Palace places
Many watching
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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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