Is it good do live im a large modern city英语作文
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Is it good do live im a large modern city英语作文
答案
Is it good to live im a large modern city Many people apprecite the conveniences of the city .The city has better transportation service and health care. City dwellers can easily enjoy them...
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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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