题目

第二节：完形填空（共20小题，每小题1.5分，满分30分） 阅读下面短文，掌握其大意，然后从36-55各题所给的四个选项（A，B，C和D）中，选出最佳选项。 Grandparents are important and influential persons in all people’s lives. They are those people who take care of you and (36) you. They are special persons who can give you (37) advice. My grandparents always taught me to (38) others, and they showed me with their (39) that love and feelings are important things in my life and that I don’t have to pay attention to (40) things or what people △ABC内接于以O为圆心，1为半径的圆，且，则的值为（ ）A．B．C．D．