There are many exam profiles and information on it, so you can read them yourself.
According to your personal situation, if your English is good enough, you can review it yourself and buy some real books to practice.
3. TOEIC test is an examination to test English ability in the working environment. There is no standard for passing or failing. After the exam, there are certificates, all of which are given points. You can find the application guide on official website. As for recruitment, many companies adopt toeic test to establish their own grading standards according to the English level required for specific functions.
There are two kinds of toeic tests: listening, reading and speaking. You can apply for one or both of them. The certificate says the project you applied for.
4. Listening, reading, speaking and writing is 608 yuan. There is no discount, and the campus assistance program has ended.