1。 First, you have to go to school and ask yourself if you are qualified to be an exchange student. Maybe there will be some exams on campus. After that, you can prepare the materials. The teacher will tell you what materials you need then.

2。 Passport is not difficult. You can get it in 0/4 days by going to the Entry-Exit Center. Even if you don't go abroad, no one cares about getting a passport. This is not a conflict.

3。 You can discuss your English scores with the school or professor you apply for. If your advisor agrees to ask you, you can prepare according to his wishes. If you have enough time and energy, you can take the exam once.

4。 Basically, you can go in the first semester and apply to the dormitory. It's hard to apply after that. At that time, you were familiar with the environment, so it was not a problem to go out and rent a house. Dormitories are not cheap either.