This chapter opens with a discussion of how to solve a problem. The first question is about the elements that make up matter. The problem is that there are three types of matter: the first category is made up of matter, the second category is composed of matter and the third category is comprised of matter that is made of glass. The solution to this problem is to divide matter into three parts, and the first part of the solution should be divided into two parts. The second part should be composed of only one part. The third part should consist of only three parts. It is not scary for someone to be a study slacker, but it is scary for a person to act as if he knows. He asks if he can understand the solution to the first question. He says that he can still understand the answer to the second question, but he does not expect that he will be able to do so at this level. He tells him that he still has one hour before he arrives, and that he is going to expose him if he continues. He then asks how many points he got for the exam. He gets 70 out of the 100 points. He turns the question off, but the first is wrong, and it is normal to get wrong answers in exams. He goes to pick up pengyu, who is studying at