速求初一英语阅读理解9篇（新目标的）短一点
题目
速求初一英语阅读理解9篇（新目标的）短一点
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died at last. Brain is a school boy. He’s twelve. He lives in Shanghai now. He is from England. He studies in a middle school. He gets up at half past five every day. He has breakfast at seven after ...
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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