寻一片关于初三要毕业,想对老师说的话的英语作文,带翻译
题目
寻一片关于初三要毕业,想对老师说的话的英语作文,带翻译
答案
Learn to give up wisely Never give up has been accepted by many people as a positive life attitude. Admittly persistence often plays an important role in one success. However,in many cases to give up...
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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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