cet4英语答案

英语4级考研答案详解

成人英语四级考试（CET4）是一项测试考生英语综合能力的考试，涉及听力、阅读、写作等多个方面。以下是2021年英语四级考研答案详解：

听力部分

听力部分是英语四级考试的第一部分，包括听力理解和听力填空两部分。以下是2021年英语四级考研听力部分的详细答案解析：

1.

听力理解

录音文字

：The passage you are going to hear is from a lecture. It's a wellknown fact that violence and aggression are not unique to humans. Many species of animals are aggressive, and sometimes their violent behaviors are beyond our imagination. For example, chimpanzees, our closest relatives, have been observed committing infanticide, cooperative hunting and even group violence. Recently, some aggressive behaviors were observed in an unexpected species: vampire bats. Professor Brown will continue the lecture.

问题

：What does the professor say about chimpanzees?

答案

：They are our closest relatives and have been observed committing aggressive behaviors.

解析

：在录音中，教授提到黑猩猩是我们最近的亲戚之一，并且观察到它们有侵略性行为。

2.

听力填空

录音文字

：Good morning, everyone. Today, we are going to talk about global warming. As we all know, human activity is largely responsible for the increase in carbon dioxide emissions, which leads to the greenhouse effect. One of the keys to reducing carbon dioxide emissions is to promote the use of clean energy. Wind power and solar power, for example, are two major sources of clean energy. They are efficient and environmentally friendly. But in order to make the shift to clean energy, we need to invest more in technology and infrastructure. Governments should provide incentives for the development and adoption of clean energy, and individuals should also take responsibility for reducing their own carbon footprints. Now, let’s move on to the impact of global warming on wildlife.

问题

：What does the speaker say is the key to reducing carbon dioxide emissions?

答案

：Promoting the use of clean energy.

解析

：录音明确提到减少二氧化碳排放的关键之一是推广清洁能源的使用。

阅读部分

阅读部分是英语四级考试的第二部分，包括阅读理解和单词填空两个部分。以下是2021年英语四级考研阅读部分的详细答案解析：

1.

阅读理解

文章

：The impact of technology on education

问题

：What does the passage mainly discuss?

答案

：The impact of technology on education.

解析

：文章和问题中都明确提到了技术对教育的影响，因此答案是明显的。

2.

单词填空

文章

：Advantages of studying abroad

问题

：Many students worry about the _____ of living abroad.

答案

：Cost

解析

：根据语境和文章内容，很容易得出填入的单词是“cost”。

写作部分

写作部分是英语四级考试的最后一部分，包括作文和翻译两个部分。以下是2021年英语四级考研写作部分的详细答案解析：

1.

作文

题目

：The importance of time management

内容

：在作文中，应包括对时间管理的重要性、一些有效的时间管理技巧以及个人的体会和建议等内容。

解析

：根据题目，应该明确指出时间管理的重要性，提出一些具体的时间管理技巧，并在结尾部分总结个人的体会和建议。

2.

翻译

原文

：科学技术在现代社会中发挥着越来越重要的作用。

翻译

：Science and technology are playing an increasingly important role in modern society.

解析

：翻译准确地表达了原文的意思，符合英语语言的表达习惯。

以上是2021年英语四级考研答案的详细解析，希望对你有所帮助。祝你考试顺利！