World War I, World War II, and three wars can't be fought. If you like, you can apply for postgraduate entrance examination at the age of 70. Two thirds of graduate students in key universities succeeded in World War II. Postgraduate entrance examination is different from college entrance examination. Postgraduate entrance examination is to fill in volunteers, set up schools, set up majors, and take exams. Public courses are proposed by the Ministry of Education, and specialized courses are proposed by submitting universities. Different universities apply for different papers, and finally use scores to tell things. The proposition of famous universities is profound and strange, and it is not easy to get high marks; Remote universities have simple propositions and are easy to get high marks. Therefore, the postgraduate entrance examination must choose a university according to its own strength.