English. Grade 9. National Gold Medal APMO Simulation Paper

Author: Zhou Xianglin
Publisher:
Publish Date: 2005-03-01
Features: The "Olympic Subject Competitions for Primary and Secondary Schools" series consists of over 200 varieties, including textbook series, introductory textbooks, practice papers, mock exam papers, intensive textbooks, classic problem-solving series, weekly tests, question compilations, and multi-solution problem-solving series. This series is organized by the Editorial Department of Primary and Secondary School Subject Olympiads and is a research outcome of Beijing Step-by-Step Quality Education Research Institute. Since its publication by the Olympic Press, it has stood out and is deeply loved by teachers, parents, and students. After significant revisions, re-editions, or rewrites, it has been renamed as "Golden Medal Olympiad" and "Golden Medal School" series and is now re-published and distributed by Jinghua Publishing House. At this re-publication, sincere gratitude is extended to millions of readers across the country. Primary and Secondary School Subject Olympiads (abbreviated as Subject Olympiads) are one of the most extensive, widely participated, and influential subject competition activities for primary and secondary school students in China. Subject Olympiads are derived from and extended from the International Mathematical Olympiad (IMO), the International Physics Olympiad (IPHO), the International Chemistry Olympiad (ICHO), and other internationally influential middle school subject competitions that attract millions of young students every year. The reason for such attention lies in the strong innovation, flexibility, and comprehensiveness of Olympiads, as well as their focus on cultivating students' exploration skills and inspiring their innovative awareness—qualities that are at the core of quality education. This is also the need for future development. Based on years of careful research on this activity and a large number of outstanding books in this category, the Editorial Department of Primary and Secondary School Subject Olympiads has invited outstanding educators dedicated to this field from all over the country to write and publish a series of books on mathematics, Chinese, English, physics, chemistry, biology, and information technology—covering seven subjects and totaling over 200 varieties. In terms of the variety, quantity, and quality of our Olympiad books, they are considered the most influential among peers both domestically and internationally, and are the most appealing to primary and secondary school teachers and students. The writing purpose and characteristics of the "Golden Medal Olympiad" and "Golden Medal School" series are as follows:
1. High: Derived from textbooks but higher than textbooks. Derived from textbooks means it is written in accordance with the new [curriculum standards] of the Ministry of Education, while being higher than textbooks means it closely aligns with the competition syllabi of various levels, ensuring comprehensive alignment in content, question types, and ability requirements. It aims to cultivate interest, develop intelligence, and enhance abilities.
2. Accurate: Scientifically accurate and well-structured. Each book is designed according to the characteristics of the subject, scientifically organized, and follows a step-by-step approach to provide in-depth yet accessible analysis and detailed problem-solving methods.
3. New: The questions are novel, unique, and engaging. They gather the essence of recent Olympiad, middle school, and high school exam questions from both China and abroad, representing the highest level of current Olympiads and reflecting new concepts in curriculum reform, as well as new ideas, methods, and trends in competition question-setting.
4. Refined: Selected examples are challenging yet not obscure, flexible, and achievable. The focus is on generalizing from one example to many, and on multi-solution, multi-variable, and multi-question approaches. It emphasizes training thinking skills rather than rote memorization, making learning an interest and hobby.
5. Renowned: Gathered by famous teachers and collected from famous competitions. The Editorial Department of Primary and Secondary School Subject Olympiads has invited renowned professors, special-grade teachers, senior teachers, subject leaders, and famous Olympic medal coaches to co-author these books.
6. Comprehensive: This series includes the following 12 sets, totaling over 200 varieties:
1. Golden Medal Olympiad Introductory Textbook for Primary School Mathematics (ABC Edition)—2 pre-school textbooks, 2 textbooks for lower grades, and 2 ABC editions for lower grades. Illustrated and fun, aimed at cultivating interest and intuition in mathematics for pre-school and lower-grade students, guiding them into the magical world of mathematics.
2. Golden Medal Olympiad Textbook (General Edition)—8 textbooks for primary school Chinese and mathematics, and 12 textbooks for junior high school mathematics, physics, chemistry, Chinese, and English. This series combines the common points of the new curriculum standards, old textbooks, and Olympiads while catering to students with special talents. It includes sections on key knowledge points, example analysis, thought analysis, typical exercises, and answer hints.
3. Golden Medal Olympiad ABC Editions—8 textbooks for primary school Chinese and mathematics, and 12 textbooks for junior high school mathematics, physics, chemistry, Chinese, and English. These test students based on the Golden Medal Olympiad Textbook. They are divided into A, B, and C editions, ranging from easy to difficult, allowing students of different levels to choose targeted training.
4. Golden Medal Olympiad Mock Exam Papers—4 textbooks for primary school mathematics, and 12 textbooks for junior high school mathematics, physics, chemistry, Chinese, and English. Part of the Golden Medal Olympiad Textbook series, these are comprehensive training papers for full-simulation competitions.
5. Golden Medal Olympiad Question Compilation—1 textbook for primary school mathematics, and 4 textbooks for junior high school mathematics, physics, and chemistry, as well as English. A series recording the history of national primary and secondary school competitions in recent five years, documenting the glorious achievements of subject education, praising the collective wisdom of teachers, and showcasing the talents of students across the country.
6. Golden Medal Olympiad Hot Topic Question Classification and Full Solutions—2 textbooks for primary school mathematics and informatics, and 12 textbooks for junior high and high school mathematics, physics, chemistry, English, biology, and informatics. This series selects recent hot topic questions from Olympiads, organizes them by chapter and knowledge point, and provides detailed explanations, making it very convenient for students to study.
7. Golden Medal Exam Hot Topic Question Full Solutions (tentative title)—12 textbooks for junior high and high school mathematics, physics, chemistry, Chinese, English, and biology. This series compiles the exam papers of 10-odd key education provinces in the country for the past five years, categorizing them by subject and knowledge point, and providing detailed answers. It includes sections on exam knowledge point explanations, hot topic question analysis, summary of rules, and mock training.
8. Golden Medal Olympiad 100-Victory Textbook (Advanced Edition)—8 textbooks for primary school mathematics and Chinese, and 12 textbooks for junior high school mathematics, physics, chemistry, Chinese, and English. These books follow the order of the new textbooks from the People's Education Press, organized by subject and unit. They include sections on key knowledge points and extended exploration, problem-solving skills, example interpretation, and pre-competition intensive training, suitable for pre-competition training and students with surplus learning capacity, serving as an extension of classroom knowledge.
9. Golden Medal Olympiad (Golden Medal School) Classic Problem Solutions—4 textbooks for primary school mathematics, and 29 textbooks for junior high and high school mathematics, physics, chemistry, Chinese, English, and biology. This series follows the order of People's Education Press textbooks, organizes typical exercises, middle school questions, high school questions, and difficult questions by subject and chapter, carefully selected and written in order of increasing difficulty.
10. Golden Medal Olympiad Weekly Tests—12 textbooks for primary school mathematics, Chinese, and English, 15 textbooks for junior high school mathematics, physics, chemistry, Chinese, English, and biology, and 17 textbooks for high school mathematics, physics, chemistry, Chinese, English, and biology. These test papers follow the order of People's Education Press textbooks, organized by knowledge point and unit or weekly for testing purposes.
11. Golden Medal Olympiad Classic Problem—Multi-Solution—1 volume for primary school mathematics, and 4 volumes for junior high and high school mathematics and physics. This series selects multi-solution problems from recent Olympiad classic questions. A "multi-solution problem" refers to solving problems from multiple perspectives and approaches, making these exercises highly skillful and engaging.
12. International Golden Medal Olympiad Question Solutions—5 volumes for mathematics, physics, chemistry, biology, and informatics. This series selects recent international competition questions by subject and organizes them by year, providing detailed answers. This series represents the highest level of current Olympiads and is considered the "highbrow" among all Olympiad books.