题目

完形填空Dad's AdviceWhen I finished my school education, I began to find a job. I was very happy because it was time to make my dream come true.One evening, my father talked to me about what kind of 1I should look for. He wanted me to work for a big company and asked me to take his advice. But I really hoped to be a teacher. It was my dream. I didn't accept his 2. We shouted and didn't talk to each other. Even worse, I found it more and more difficult for us to say sorry as time went by.A week later, I decided to break the 3 and make the first move. So I dialed (拨打) my father's number 以抛物线的焦点为圆心，半径为2的圆的标准方程为