① Among the most recent 16-year (2010.9~2025.09) National Joint Academic Achievement Test questions for 1st and 2nd year high school students
Questions that fit the new Integrated Science 2 curriculum
+ Selected questions from the 13-year mock college entrance exams for third-year high school students (2010-2022) that are aligned with the integrated science curriculum + Created questions aligned with the new curriculum → 437 questions in total

② Systematic question arrangement by unit in order of difficulty
③[Special Free Offer]
1.
444 True or False Questions for Concept Checking
2.
Descriptive questions
3.
Video lectures explaining all types of concepts + solving selected questions
4.
Two mini-mock exams are provided to check your skills.
5.
2028 CSAT sample questions included
④ Summary of essential concepts by unit and subtopic that will definitely appear on the exam
⑤ Includes past exam questions by unit and subtopic, allowing you to identify weaker units and subtopics and focus on your studies!
⑥ Detailed commentary included for each question

[Features of the commentary]
· Provides expert data analysis and explanations
·Provide detailed explanations and meticulous editing of professional articles
·Presentation of grading criteria for descriptive questions that facilitate self-study
· Includes answer sheets for each unit for easy grading