uncle george was a horse keeper.he worked 这篇完形填空答案,总共15题~
题目
uncle george was a horse keeper.he worked 这篇完形填空答案,总共15题~
答案
Uncle George was a horse keeper . He worked with horses . George never worked outside without a hat. He always wore the same kind of hat. It was a cowboy hat, he wore it straight ,full and high.
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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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