Tianjin Senior High School Entrance Examination is an important selective examination for ordinary middle school students in Chinese mainland to enter ordinary high schools. The total score of the exam is 900, which is divided into 9 subjects: Chinese, Mathematics, Foreign Language, Physics, Chemistry, Biology, Politics, History and Geography. The full marks of all subjects are different, as follows:

1. Language: full score 120. Test students' language expression ability, reading comprehension ability, writing ability, etc.

2. Mathematics: full score 150. Investigate students' basic knowledge of mathematics, thinking ability and ability to solve practical problems.

3. Foreign language: full score 120. Foreign language subjects are divided into English and Russian versions to test students' comprehensive application ability in English or Russian.

4. Physics: full score 60. Investigate students' basic knowledge of physics and experimental operation ability.

5. Chemistry: out of 60. Check students' basic knowledge of chemistry and experimental operation ability.

6. Biology: out of 60. Test students' basic knowledge of biology and experimental operation ability.

7. Politics: out of 60. Investigate students' political basic knowledge, ideological morality and social responsibility consciousness.

8. History: out of 60. Examine students' basic knowledge of history and thinking ability.

9. Geography: out of 60. Investigate students' basic knowledge of geography and spatial cognitive ability.

Generally speaking, the total score of Tianjin senior high school entrance examination is 900 points, which means that students should achieve the requirement of full marks, and all 9 subjects should have full marks. In order to get good grades, students need to master the basic knowledge of all subjects in an all-round way, improve their problem-solving ability and test-taking skills, and also pay attention to their usual review and accumulation. Only when the comprehensive quality is fully developed can we achieve excellent results in the senior high school entrance examination.