题目

 --- We will study in different schools next term . Enjoy your time in the new school ! --- __________ .           A. I will take your advice .   B. The same to you .           C. Congratulations !           D. Me too 答案：B函数f（x）的定义域为开区间（a，b），导函数 f′（x）在（a，b）内的图象如图所示，则函数f（x）在开区间（a，b）内的极小值点的个数为________个．