Based on the fact that different recruitment positions in public institutions have different requirements for workers' ability and quality, the written examination of public recruitment in public institutions is divided into class A: comprehensive management, class B: social science expertise, class C: natural science expertise, class D: primary and secondary school teachers, and class E: medical and health care.

Comprehensive management class a:

Applicable to:

Administrative, transactional and business management-oriented positions in public institutions.

Majors include:

E-commerce, business administration and marketing, industrial engineering, public management, management science and engineering, accounting, tourism management, agriculture and forestry management, logistics management and engineering, finance and taxation, finance, economics, economic trade and management, safety production, materials science, computer, statistics, etc.

Social science technical class B:

Applicable to:

Public institutions in the economy, new rooms, publishing editors, notaries, librarians, accountants, radio and television broadcasting, arts and crafts and other positions.

Majors include:

Physical education, education, history, foreign languages and literature, press and publication, philosophy, China language and literature, fine arts and photography,

Design, dance, drama and film, art theory, musicology, law, ethnology, sociology, political administration and Marxist theory.

Natural science specialty class C:

Applicable to:

Public institutions in engineering, agricultural technology, statistics, civil aviation flight, customs officers, laboratory workers, technical school teachers and other positions.

Majors include:

Geology and mineral geography and mapping, electronic information, animal production and animal medicine, forestry and forest resource management, aquatic products, plant production and agricultural technology, marine science, chemical industry and textile, chemistry, environment and nature protection, machinery, instruments, electricity and automation, computers, building and civil engineering and management, transportation and management, forestry engineering, energy and power, agricultural engineering, biology, food science and engineering, mathematics, water conservancy, hydropower and hydraulic engineering.

The above are all the answers to the corresponding majors of ABC in the joint entrance examination of public institutions.