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2. There are also two options for the re-examination written test. One is C language, digital electricity, microcomputer and circuit. The second is database and management information system.

3, professional courses, if it is an automatic high probability exam, automatic control principle. More famous are Hu Shousong's self-control and Lu Jingchao's self-control. I suggest learning Lu Jingchao's principle of self-control. There are also videos on the internet, which are very thorough.

4. C language is generally a problem for you to write two programs, which requires solid basic skills.

Finally, I wish you a smooth postgraduate entrance examination!

Extended data:

Postgraduate entrance examination public course:

1. Politics: It mainly investigates the basic principles of Marxism, the theoretical system of Mao Zedong Thought and Socialism with Chinese characteristics, the modern history of China, ideological and moral cultivation and legal basis, and the contemporary world economy and politics.

2. Mathematics: divided into mathematics 1, mathematics 2 and mathematics 3. According to the different requirements of majors, Math 3 includes calculus, linear algebra, introduction and mathematics, Math 2 includes linear algebra and advanced mathematics, and Math 1 is the most difficult one, including linear algebra, advanced mathematics and introduction.

3. English: Master students generally take English 1, and master students generally take English 2.

Baidu encyclopedia-Huazhong university of science and technology automation college