(B) is the essential requirement of teachers' profession. Education can't be done well without responsibility, and education can't be done well without feelings. Teachers should always keep in mind their sacred duties, aim high, closely link personal growth and progress with the great cause of socialism and the prosperity and strength of the motherland, and perform their glorious duties in profound social changes and rich educational practice.

A. Patriotic and law-abiding

B. Love one's post and respect one's work

C. Teaching and educating people

D. Care for the collective

Teachers' professional ethics category:

Teachers' morality, referred to as "teachers' morality", is a kind of professional ethics. It is the moral standard and code of conduct that teachers and all educators must abide by in educational activities, as well as the corresponding moral concepts, sentiments and qualities. It is the virtue of teachers' profession and the moral requirement for teachers.

It is a code of conduct to adjust the relationship between teachers and students, between teachers and teachers, between teachers and collectives, and between teachers and society. It includes teachers' moral consciousness, moral norms, moral categories, moral cultivation, moral behavior and so on. Teachers' morality is the product of teachers' professional practice, which has stability and inheritance, and develops with the development of society.

As far as its connotation is concerned, teachers' morality usually refers to teachers' professional ethics, which is the moral standard and code of conduct that teachers must abide by in education and teaching activities, as well as the corresponding moral concepts, sentiments and qualities.

The reason why teachers should abide by professional ethics is mainly because people's teachers, as disseminators of human thought and culture and cultivators of various talents, play an important role in spreading human civilization, developing human wisdom, shaping human soul and influencing human future.

Teachers' professional ethics is closely related to social progress, economic development and national prosperity. Teachers' professional ethics embodies the fundamental interests of the broad masses of the people and reflects the interests of teachers in the whole society. It plays an important role in promoting teachers to complete teaching and educating people, cultivating students' sentiment and promoting social material civilization and spiritual civilization.