外研版八年级英语上M5U2
题目
外研版八年级英语上M5U2
急求八年级上册英语M5U2课文,要全部的,外研版!
半小时之内!
答案
Vienna is a beautiful old city on the river Danube.It's the capital city of European classical music.From 1750 a lot of composers and musicians came to study and work in Vienna.The most famous family ...
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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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