I also took the exam, from Beijing. Sir, the wrong question is good. This will do. Remember several methods in mathematics: you may use a circle, make a parallelogram, and mix multiple midlines. Calculate the function problem to death. The front is meticulous, and there is basically no time for you to check. Be careful! Political history is a cloud. My political 90 and history papers are 100 ... work hard and wish you success.