在2021年考研英语二的试卷中，考生们面临了丰富的词汇、复杂的语法结构和多样化的题型。以下是对部分题目的答案示例：
阅读理解A节：
1. 问题：What is the main idea of the passage?
答案：The passage primarily discusses the impact of technology on human relationships.
阅读理解B节：
2. 问题：According to the passage, which of the following is NOT true about the new research?
答案：The new research does not suggest that exercise can prevent aging.
完形填空：
3. 问题：The author's attitude towards the idea of online education can be best described as:
答案：Cautiously optimistic.
翻译：
4. 问题：Translate the following sentence into English:
"随着科技的发展，我们的生活发生了翻天覆地的变化。"
答案：With the development of science and technology, our lives have undergone a tremendous change.
写作：
5. 问题：Write an essay on the topic "The Importance of Environmental Protection."
答案：（此处省略具体内容，考生需根据题目要求自行完成）
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