一.重点句子，知识点讲解
Paragraph-11. One day, a friend of mine asked me a question, "Do you agree with the idea that life is fair?" It reminded me of something a teacher said when I was a high school student-"Life isn't fair".
1). a friend of mine 双重全部格“限定词+n.+of + 名词性物主代词 ”                名词全部格some pictures of my sister'sa friend of my father's some friends of theirs
2) agree with sb./意见，看法“赞同，同意...” agree on +双方详细协议文件，计划 agree to do 同意做某事 I don't agree with you. He didn't agree with my opinion. They are ...