1, which is difficult enough. Wang Chaoxia's examination paper is very classic, and the questions on it are all from shallow to deep. Fill in the blanks and choose are some foundations. The next big question will be a bit difficult, but overall it is still difficult. It is enough to lay a good foundation for children.

2. Well-known domestic education brands. As a well-known educational brand in China, Wang Chaoxia has been guided by many famous teachers in daily teaching materials promotion and test paper editing, so the edited test paper conforms to the students' curriculum and knowledge reserve.