Perfect preparation for internal exams with problems by type
Provides a summary of each unit and a glossary of key terms at a glance.
Complete self-directed learning with detailed explanations

Unit Summary at a Glance
We have presented the key contents of each chapter so that you can easily understand them at a glance.

Explanation of terms in Chinese characters
We have organized the content into Chinese characters to help you understand the key concepts of each chapter more easily.

Putting the pieces together
It is structured so that you can check what you have learned through various types of basic concept problems that you must know for each chapter.

Multiple choice puzzle
It is composed of problems that cover the contents of the textbook, so that you can prepare for school exams.

Complete the narrative puzzle
The main content of each unit is organized into descriptive questions to help you prepare for school exams.

Answer and explanation
Multiple choice questions are provided with detailed explanations and a 'Goodbye to wrong answers' section, explaining the reasons for incorrect choices so that you can correct the problem.
For descriptive questions, we provide 'grading criteria' along with 'model answers' so that you can identify your own shortcomings.