1, topic setting: The topic of this test paper is relatively difficult, including a lot of complicated calculation and thinking ability requirements, and some questions need to be skillfully solved to get the correct answer.

2. Wide coverage of knowledge points: The knowledge points involved in the test paper are relatively comprehensive and have a wide coverage, including some mathematics knowledge of senior three, which may be unfamiliar or difficult for senior three students.

3, time is tight: the total score of the test paper is high, but the test time is short, and some topics need longer calculation time and thinking time, which is easy to cause time pressure and anxiety.