用Engiish描述一下你们正在上体育课的场景,不少于4句话
题目
用Engiish描述一下你们正在上体育课的场景,不少于4句话
答案
Most of the boys are playing basketball on the palyground.And some boys are palying football on the grass.Look,our monitor is palying tennis with Xiao Ming.Some of girls are sitting under the tree:may...
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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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