A researcher used modern technology and foundthere was a letter“S”in zhe model‘s eyes
题目
A researcher used modern technology and foundthere was a letter“S”in zhe model‘s eyes
答案
A researcher used modern technology and found there was a letter “S” in the model‘s eyes
一个研究者用现代的技术发现模特眼中有一个“S”字母.
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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