1, which is authoritative and difficult to test. Wenchang Cup Examination is a national Chinese and math competition for primary and secondary schools sponsored by the Ministry of Education of China.

2. The range of contestants is wide and the examination is difficult. The difficulty of this competition is suitable for students of all ages. There are different levels of difficulty from primary school to high school, and diversified questions also ensure that every student has a chance to play.

3. The examination is extensive and difficult. The main purpose of the examination is to strengthen students' innovative thinking, enhance their academic accomplishment and improve their scientific and technological level.