在智学考研英语二中，以下是对部分题目的答案解析：
1. 阅读理解：根据文章内容，正确答案是C。
2. 完形填空：结合上下文，正确答案是D。
3. 翻译：将中文翻译成英文，正确答案如下：
- ① His performance was so impressive that everyone present was deeply moved.
- ② The teacher encouraged us to think independently and challenge the existing ideas.
4. 写作：根据题目要求，正确答案如下：
- 开头段：Today, the importance of environmental protection has been increasingly recognized by people.
- 主体段：Firstly, environmental pollution has caused serious damage to our health. Secondly, it has led to the depletion of natural resources and the destruction of ecosystems. Finally, it has affected the stability of the global climate.
- 结尾段：In conclusion, it is high time that we took effective measures to protect our environment.
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