题目

Why does the man want to go to Green Restaurant?A. Because the music there is loud. B. Because it's the cheapest. C. Because it's the nearest. 答案：【答案】B【解析】听力题，解析略。设函数f(x)=x+1x+16xx2+1(x＞1)，则f(x)的最小值为（　　） A、16B、8C、4D、非前三者