The best way to agree upstairs is to go to the bookstore to buy it, which is nearly 10 years old. There are detailed answers, which can't be found on the website. As far as I know, most people don't have electronic versions of real questions and answers over the years ~

I just took part in the postgraduate entrance examination in 2009, so I have enough time and money to download, print and buy good books from the Internet, saving time and effort.