(1)① "Cooking breakfast for sick mother" shows that Xiao Ming can fulfill his moral and legal obligations to honor his parents, and we should also honor our parents when communicating with them. 2 "contradicting the teacher in public" is a sign of not treating the teacher's praise and criticism correctly, and it is also a disrespect for the teacher. When interacting with teachers, we should treat teachers' praise and criticism correctly and respect them. (3) "Breaking into the classroom" is impolite and disrespectful to teachers. When getting along with others, we should be polite and respectful to our teachers. Copying classmates' homework is a sign of dishonesty. Be honest in dealing with people. It is incorrect to think that a friend is disloyal because he refuses to copy his homework. True friendship should be frank and firm in the face of principles, and the so-called friendship cannot be maintained at the expense of principles. (2) When communicating with parents, classmates and teachers, be polite, learn to put yourself in the other's shoes, know how to respect and be honest with each other. You can put forward the communication principles that should be followed in communication according to the materials. )