(1) "If you are near Zhu Zhechi, it will be black; if you are near Mexico, it will be black", "If you don't fill a small hole, a big hole will suffer", "If you don't accumulate good things, you won't be famous, if you don't accumulate bad things, you will be ruined" and so on.

(2) Violation of discipline: truancy, failure to complete homework, and going to Internet cafes. General illegal acts: petty theft, theft of property, participation in gambling. Charge: robbery.

(3) Many illegal and criminal acts start with bad habits. We should attach importance to moral cultivation, "don't do it with small evils, don't do it with small goodness", consciously abide by the law, be careful to make friends, prevent slow progress, avoid catching bad habits, and nip in the bud.

(4)① There is no insurmountable gap between general illegal acts and crimes. Bad behavior and serious bad behavior may develop into illegal crimes. (2) Strengthen the concept of legal system, improve self-protection ability, consciously resist bad temptations, avoid catching bad habits, and nip in the bud.

(5) (1) Know the prohibited acts stipulated by the law and don't do anything that violates the law; (2) nip in the bud and consciously correct bad behavior; ③ Enthusiastically help students with bad behavior.

This topic mainly examines the relevant knowledge of preventing illegal crimes. From reading the materials, we can see that Chen Mou made some bad friends and had some bad behaviors, which gradually led to illegal crimes. Therefore, when answering the question (1), we can write famous aphorisms in combination with the process that he has minor faults but does not repent and gradually embarks on the road of breaking the law and committing crimes. Question (2) Violation of discipline refers to the act of not observing the rules and regulations of the school and not following the requirements of being a student. An illegal act is an illegal act that violates laws other than the criminal law and has less social harm. Crime is a violation of criminal law, which has great social harm and should be punished. When answering question (3), the lesson we should learn is to avoid getting into bad habits; When answering the enlightenment of question (4), it is required to be "the experience of illegal crime", so it is necessary to answer the relationship between general illegality and crime and the knowledge of how to avoid illegal crime; Question (5) is comprehensive. You should ask yourself to do it from a moral and legal point of view.