202 1。 According to the relevant public information, the basic and comprehensive math questions of 202 1 senior high school entrance examination are difficult, which makes a large number of middle school students fail. In 2022, under the policy of double reduction, the basic questions are more convenient than in previous years, and the comprehensive questions are less difficult, so the mathematics of 202 1 senior high school entrance examination is more difficult. The full name of the senior high school entrance examination is the junior high school graduation examination, which is an examination to test whether junior high school graduates reach the junior high school graduation level. It belongs to the academic examination and plays a connecting role. After the senior high school entrance examination, you can choose to enter an ordinary high school or a vocational high school, which is an important life choice.