以MUSIC为题,写一篇英语短文!
题目
以MUSIC为题,写一篇英语短文!
答案
What Is Music?According to the dictionary,music is having rhythm,melody,or harmony.However,it is underestimated,more so than anyone actually realizes!Music is learning,a therapy,and teaching tool.Musi...
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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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