[Trevor is a bright 11-year-old boy who comes from a troubled home. At school, Trevor's class is introduced to their new social studies teacher, Mr. Simonet, a guarded man with severe facial scars. Simonet gives his class an unusual assignment — think up a practical way to make the world a better place, and put it into action. Trevor comes up with the notion of "Pay It Forward."] Trevor: That's me. And that's 3 people, and I'm going to help them, but it has to be something really big, something they can’t do by themselves. So I do it for them and they do it for 3 other people. That’s 9. And I do 3 more ... Man: That’s 27. So ... I'm not really good at ___1____ but it gets big really fast. You know? Teacher: All right. All right. All right. All right. A little ___2____ , please! Yes. Student 1: I think it is a good idea. Teacher: Shawn? Shawn: It's stupid. Teacher: Adam? Adam: It's the ___3____ system. Student 2: People ___4____ off the honor system. Adam: So what? Trevor: Just 'cause you do. Teacher: Trevor, the class seems to think that you've come up with an ___5____ utopian idea. Look that word up in a minute. Trevor: Like a perfect world? Teacher: Un-huh. Trevor: So? Teacher: Your ideas are as ___6____ as they are variegated (多种多样的). Add that to your list of words to look up this evening. But I want to focus for a moment on one project we heard today. Because I’ve been teaching for many years and it really is the first new idea that also ... requires an ___7____ act of faith in the ___8____ of people. Trevor has made an attempt to ___9____ with the world, and that was the assignment. And if I were an effusive (感情洋溢的) person ___10____ to easy praise, I would call that admirable.