The narrator tells us that the advance payment for the midterm exam has been transferred, and that the exam is much more difficult than expected. He says that this time, he'll be able to score more points than usual. He also says that the first question is very good, and the answer is very stable. The three students are cheating, he says, and this way, he can also improve his test result by little. He uses a cheat sheet, which costs him 25 yuan, to cheat on the exam. He's worried that his sister will do the same thing, but he doesn't want to stop her just yet. He thinks she's a study slacker, and she should be ashamed of herself for being so lazy