范文：
Title: The Importance of Environmental Protection
In recent years, the issue of environmental protection has attracted increasing attention from the public. As we all know, the environment is the cradle of human civilization, and it directly affects our quality of life. Therefore, it is of great importance to protect our environment.
From my perspective, there are several reasons why environmental protection is crucial. Firstly, pollution has led to numerous health problems, such as respiratory diseases and cancer. Secondly, environmental degradation has caused a series of natural disasters, such as droughts, floods, and earthquakes, which have severely impacted our lives. Lastly, as a developing country, China needs to prioritize environmental protection to ensure sustainable economic growth.
To address this issue, both individuals and the government should take actions. On the one hand, we should raise awareness about environmental protection and promote green living. On the other hand, the government should implement strict laws and regulations to control pollution and encourage the development of clean energy.
In conclusion, environmental protection is a global challenge that requires our immediate attention. Only by working together can we create a healthier and more sustainable future for ourselves and for generations to come.
常见问答知识清单：
1. 什么是CET4？
2. CET4作文有哪些要求？
3. CET4作文的评分标准是什么？
4. CET4作文需要准备哪些话题？
5. CET4作文应该如何审题？
6. CET4作文应该如何展开论述？
7. CET4作文应该如何注意语言表达？
8. CET4作文应该如何避免常见错误？
9. CET4作文应该如何提高写作速度？
10. CET4作文应该如何进行模拟训练？
详细解答：
1. 什么是CET4？
CET4是中国大学英语四级考试（College English Test Band 4）的简称，是中国高等教育英语水平测试的一种，主要面向在校大学生。
2. CET4作文有哪些要求？
CET4作文要求考生在30分钟内写出一篇100120词的短文，内容涉及日常生活和一般常识。
3. CET4作文的评分标准是什么？
评分标准主要从内容、语言和结构三个方面进行评价，内容要求切题，语言表达准确，结构合理。
4. CET4作文需要准备哪些话题？
作文话题通常包括教育、文化、社会、科技、环境等方面。
5. CET4作文应该如何审题？
审题时要明确题目要求，理解题目的中心思想，确定文章的主题和结构。
6. CET4作文应该如何展开论述？
在展开论述时，要按照题目要求，合理组织段落，每个段落围绕一个中心思想展开，论述要清晰、有逻辑。
7. CET4作文应该如何注意语言表达？
注意使用正确的语法和词汇，句子结构要多样，避免重复，注意时态和语态的使用。
8. CET4作文应该如何避免常见错误？
避免语法错误、拼写错误和用词不当，注意文章的连贯性和一致性。
9. CET4作文应该如何提高写作速度？
平时多练习，熟悉各类话题和写作技巧，提高阅读速度和理解能力，合理分配时间。
10. CET4作文应该如何进行模拟训练？
可以通过历年真题和模拟试题进行练习，分析自己的写作弱项，有针对性地进行改进。
