在英语考研强化训练中，以下是一些关键问题的答案示例：
1. 词汇理解：What does "perplexity" mean?
答案：困惑，难题。
2. 阅读理解：
- Passage: "The author argues that the rise of social media has had a profound impact on our lives."
Question: What is the main idea of the passage?
答案：作者认为社交媒体的兴起对我们生活产生了深远的影响。
- Passage: "Historically, the development of technology has always been accompanied by ethical concerns."
Question: What is the author's stance on the development of technology?
答案：作者认为技术的发展总是伴随着伦理问题。
3. 完形填空：
- Sentence: "Although the weather was __________, we decided to go for a walk."
Choices: A. sunny B. cloudy C. rainy D. windy
答案：C. rainy
4. 翻译：
- 英译中：The company is poised to expand its market share in the next few years.
答案：该公司预计在未来几年内扩大市场份额。
- 中译英：随着科技的进步，我们的生活变得更加便捷。
答案：With the advancement of technology, our lives have become more convenient.
5. 写作：
- Topic: Write an essay on the importance of environmental protection.
答案：环境保护的重要性
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