beacause we have so much __,many companies and stores offer advice about what we should eat.
题目
beacause we have so much __,many companies and stores offer advice about what we should eat.
A to choose B to choose from 为什么选B啊
There were so many beautiful things that it was hard _____.
A to choose from B to be chosen C to choos 为什么选C啊
答案
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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