Chemistry is difficult. Because advanced math 2 is a national unified proposition, everyone takes it, so many people learn it, and there are many counseling books, and they learn it thoroughly. You can take remedial classes, hire a tutor and do a lot of problems. Therefore, the high number 2 is a paper tiger.

But what about chemistry? For the postgraduate entrance examination, there must be something wrong with the school. Of course, it would be much easier if you have the ability to get the real questions of the school and a teacher to help you. If not, chemistry will be difficult. .