求新概念英语第二册练习册答案32
题目
求新概念英语第二册练习册答案32
答案
你要的应该是亚历山大,金斯伯里和何其莘编的那本新概念英语2练习册吧...LESSON 32 Shopping made easyA1 She is as clever as her sister.2 He can run as fast as I can./...as fast as me.3 That book is as inter...
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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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