选择题

　　1. What is the capital city of Australia?

　　 A) Sydney

　　 B) Canberra

　　 C) Melbourne

　　 D) Brisbane

　　 - Correct answer: B) Canberra

　　 - Explanation: Canberra became the capital of Australia in 1927, chosen for its central location between Sydney and Melbourne.

　　2. Who wrote the novel "1984"?

　　 A) George Orwell

　　 B) Aldous Huxley

　　 C) Ray Bradbury

　　 D) F. Scott Fitzgerald

　　 - Correct answer: A) George Orwell

　　 - Explanation: George Orwell authored "1984," a dystopian novel published in 1949 that explores totalitarianism.

填空题

　　3. The Great Wall of China stretches over ______ kilometers.

　　 - Correct answer: 21,196 kilometers

　　 - Explanation: The Great Wall of China is approximately 21,196 kilometers long, including all its branches and sections.

　　4. The atomic number of carbon is _____.

　　 - Correct answer: 6

　　 - Explanation: Carbon, a fundamental element in organic chemistry, has an atomic number of 6.

判断题

　　5. The Amazon River is the longest river in the world.

　　 - Correct answer: False

　　 - Explanation: While the Amazon River is the largest by volume, the Nile River in Africa is recognized as the longest river in the world.

　　6. Mount Everest is located in the Himalayas.

　　 - Correct answer: True

　　 - Explanation: Mount Everest, the highest peak on Earth, is indeed situated in the Himalayan mountain range between Nepal and Tibet.

论述题

　　7. Discuss the causes and effects of climate change.

　　 - Answer: Climate change is primarily caused by human activities such as burning fossil fuels, deforestation, and industrial processes that release greenhouse gases into the atmosphere. These gases trap heat, leading to a gradual rise in global temperatures. The effects of climate change include more frequent and severe weather events, rising sea levels, loss of biodiversity, and disruptions to ecosystems and agriculture. Mitigating climate change requires global cooperation to reduce emissions and adopt sustainable practices.

　　8. Explain the impact of social media on modern society.

　　 - Answer: Social media has revolutionized communication, connecting people globally and enabling rapid dissemination of information. However, it has also raised concerns about privacy, misinformation, and its impact on mental health. Social media platforms influence public opinion, politics, and business, shaping trends and behaviors worldwide. Balancing its benefits and drawbacks remains a critical challenge in contemporary society.

　　This comprehensive exam paper covers various question types, providing both answers and detailed explanations to enhance understanding.

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