题目

— Have you heard the song “TAKE ME TO YOUR HEART”? — Yes, it sounds _________. A．terribly            B．wonderful               C．well              D．sadly 答案：B若函数f（x）=x3+f′（1）x2-f′（2）x+3，则f（x）在点（0，f（0））处切线的倾斜角为（ ）A．B．C．D．π