Daily exercises are mainly synchronous exercises for teachers after each class, including basic promotion and senior high school promotion. They are suitable for students of different levels and have novel contents. In-class testing is mainly to consolidate basic knowledge with teaching materials. This question is a regular type of test.

"53 Daily Practice" takes the form of class hours, and each class hour is divided into two sections: knowledge practice field and smart gas station, which is suitable for pre-class preview and after-class review.