题目

已知点F是抛物线的焦点，点P为抛物线上的任意一点，M(1,2)为平面上点，则的最小值为 A．3B．2C．4D． 答案：A  --Could you tell me ___________--- It’s about ten minutes’ drive.A. how long it takes him to drive to schoolB. how far it is from your home to schoolC. how soon your sister get back from school