关於sport 的英语课堂两人对话.2分钟.
题目
关於sport 的英语课堂两人对话.2分钟.
答案
A:Hi!(xx).B:Hi,(xx).A:What's the next lesson?B:Mmm,It's P.E.A:Oh,what's you favorite sports?B:Maybe is swim.A:Why?B:Because I like water,and I think that‘s cool things in the world.A:But swim is too...
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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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