新概念英语一练习册137-144课答案
题目
新概念英语一练习册137-144课答案
急需急需!谢谢
答案
137A依次填到空里nearly football sure win week anything will win money if lot buy mink coat want world if travel stay hotels return buy country if spend poor will do if the try poolsB2 winning 3 won 4 ...
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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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