是一道考试题目，请以此为标题，写一篇包含各种题型题目和答案的内容

选择题

　　1. What is the capital city of France?

　　 a. Paris

　　 b. London

　　 c. Berlin

　　 d. Rome

　　
正确答案： a. Paris

　　
答案解析： Paris is the capital city of France, known for its cultural landmarks and history.

　　2. Who wrote the play "Hamlet"?

　　 a. William Shakespeare

　　 b. Jane Austen

　　 c. Charles Dickens

　　 d. Leo Tolstoy

　　
正确答案： a. William Shakespeare

　　
答案解析： William Shakespeare wrote the famous tragedy "Hamlet," one of his most renowned works.

填空题

　　3. The Great Wall of China is over __________ kilometers long.

　　
正确答案： 21,000

　　
答案解析： The Great Wall of China spans over 21,000 kilometers in total length, including all its branches and sections.

　　4. The formula E = mc^2 was proposed by __________.

　　
正确答案： Albert Einstein

　　
答案解析： The formula E = mc^2, which relates energy (E) to mass (m) and the speed of light (c), was formulated by Albert Einstein in his theory of relativity.

判断题

　　5. The Earth revolves around the Sun. 判断题 (1 分)

　　
正确答案： 对

　　
答案解析： True. According to the heliocentric model, the Earth orbits around the Sun.

　　6. All mammals lay eggs. 判断题 (1 分)

　　
正确答案： 错

　　
答案解析： False. Mammals are characterized by giving birth to live young, not by laying eggs.

论述题

　　7. Discuss the impact of climate change on global biodiversity.

　　
答案解析： Climate change has profound effects on global biodiversity, leading to habitat loss, shifts in species distributions, and increased extinction risks. Rising temperatures alter ecosystems, affecting species life cycles, behaviors, and interactions. Conservation efforts and international agreements are crucial to mitigate these effects and preserve biodiversity for future generations.

总结

　　本文展示了不同类型的考试题目，包括选择题、填空题、判断题和论述题，并提供了详细的答案解析。通过这些题目，读者可以测试自己的知识水平，并深入了解相关主题的背景和重要概念。

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