It's not enough to have only 1 in Japanese, but also pay attention to listening and reading, because the Japanese class for international students is completely listening and reading. No school will care even if the first grade is full, because the basic exam of undergraduate course only depends on staying in the exam.
Because of the fierce competition in Peking University, the TOEFL ibt basically needs to be above 80 so as not to hold back.
There are also mathematics and physical chemistry in the exam, which are definitely close to full marks, but schools outside Peking University are not that difficult.
At the beginning of the university, find a professor and the professor will interview you. As long as you pass, you are eligible to take the college entrance examination, but you have to study for a period of time before the exam.
This exam was taken with the Japanese, and there are many foreign students who have finished college in Japan, so if the professional knowledge can't keep up, this college student can't pass the exam smoothly.
It is best for Japanese majors to switch to economic management, but this requires very high English. It is very unrealistic to transfer to science.
The average international student can study history or literature.