寻求一些经典的高一上的英语选择题
题目
寻求一些经典的高一上的英语选择题
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高一必修一二就定语从句较难例题精析》》》》》》》》》》》》 1. The factory was built in a secret place, around _________ high mountains.A. which was B. it was C. which were D. them were 【陷阱】容易误...
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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