Sara was always starving for the new book to gobble and found great big fat这句话怎么翻译?
题目
Sara was always starving for the new book to gobble and found great big fat这句话怎么翻译?
答案
Sara总是渴求新书来快速浏览,收获不菲.
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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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