Is it difficult or simple to test the powder line?

Relatively speaking, the calculation of the national examination is more difficult. Similarly, the difficulty coefficient of chalk model test is also fluctuating. Therefore, it is recommended that you predict according to the score distribution of candidates. There is a big difference between chalk model test and real test. Because the simulation question is a simulation question after all and cannot be equated with the real question. The questioner's level and time are limited, and the quality is definitely not as good as the real question. Usually do more questions to improve the accuracy.