The new solution of 1 is trigonometric function application; The new function diagram is not tested, and the inverse proportional function is combined with the linear function. Answer question 23 no longer involves% and a value questions; The overall difficulty of the test paper will not increase, which is roughly the same as the difficulty structure in 20021(easy questions account for 60%, intermediate questions account for 30%, and difficult questions account for 10%), but individual questions will increase the difficulty, such as the finale of various questions.