the advantages and disadvantages about competition?用英文回答
题目
the advantages and disadvantages about competition?用英文回答
答案
Competition is everywhere.It leads to the progress of the society.We improve by competing.But competition has some disadvantages.The winners sometimes may hurt the losers' confidence and feeling长度限
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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