2. The difficulty of postgraduate entrance examination mainly depends on the reputation of the enrollment unit and the city where it is located, because the students are different. The key universities in Beijing can't be said to have done well in the exam.

3. The key is to look at your own preparation, because admission depends on strength and scores. Therefore, if you plan to apply for the exam, you must work hard and be confident, and both are indispensable. Prepare as soon as possible.