the west lake is considered the soul of hangzhou.it was referred to by Marco Polo,the famous Italian
题目
the west lake is considered the soul of hangzhou.it was referred to by Marco Polo,the famous Italian adventurer,—“the most beautiful and luxuriant city in the world”.
答案
西湖被誉为杭州的灵魂.原引于马可波罗,著名的意大利探险家——“世界上最美最繁荣的城市.”
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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