I have been on a diet for the better-or worse-part of my life.如何理解?请详细解说
题目
I have been on a diet for the better-or worse-part of my life.如何理解?请详细解说
答案
Usually this is said,"for better or (for) worse" (without the).This phrase is used to indicate that a fact you are mentioning is not necessarily a good thing or bad thing.Often it is used if you say s...
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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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