The following are the scores of various subjects in the Zhao Zhong exam:

1. language, score: 120.

2. History, score: 50 points (open-book exam, candidates can bring their own reference materials).

3. Physics, score: 70 points.

4. Chemistry, 50 points.

5. Mathematics, score: 120.

6. Morality and legal system, score: 70 points (open-book exam, candidates can bring their own reference materials).

7. English, score: 120 (written test 100, listening 20).

8. Biology, score: 50 points (only for the exams in Xuchang, Puyang and Jiyuan, and the method of using the score is determined by each place independently).

9. Geography, score: 50 points (only for the exams in Xuchang, Puyang and Jiyuan, and the way to use the score is determined by each place).

Reasons for the difficulty of entrance examination:

1. Wide range of knowledge:

Entrance examination usually needs to examine students' knowledge of many subjects, including Chinese, mathematics, English, science and so on. Students need to master a lot of knowledge points and use them flexibly in the process of solving problems.

2. The depth and difficulty of the investigation have increased:

The senior high school entrance examination requires higher knowledge depth and understanding ability for students. Compared with the junior high school examination, the senior high school entrance examination pays more attention to students' understanding and application ability of knowledge, and examines students' advanced thinking ability such as analysis, reasoning and innovation.

3. Fierce competition:

The senior high school entrance examination is an important gateway for students to enter high school, and it is also a battleground for a large number of students to compete for limited places. Students need to complete a lot of study and preparation in a limited time, and at the same time, they have to cope with the pressure of high-score competition, which further increases the difficulty of the exam.

4. There are various forms of examination:

There are various forms of entrance examination, including multiple-choice questions, fill-in-the-blank questions, judgment questions, application questions and so on. This requires students to have different problem-solving skills and strategies, and be able to respond flexibly to various examination requirements.

5. Time pressure:

Entrance exams are usually completed in a limited time, which requires students to have good time management skills and problem-solving efficiency. For some students, time pressure may become an important factor in the difficulty of the exam.