2018年12月四级真题第二套答案如下：
一、听力理解
Part A：短篇新闻
1. The UN's climate summit has been held in Poland to discuss how to implement the Paris Agreement.
2. A new study suggests that people who live in areas with a lot of greenery are more likely to be healthy and happy.
3. A team of scientists has discovered a new species of spider in the Amazon rainforest.
Part B：长对话
4. W: Hi, Tom. I heard you're planning to study abroad next year. Which country are you thinking of going to?
M: Well, I've been considering going to the UK, but I'm also thinking about Australia.
5. W: Hi, John. How's your job interview going?
M: It's going well. I think I did a good job.
Part C：短文理解
6. The author explains that people who have a positive outlook on life are more likely to be successful.
7. The author discusses the importance of teamwork in the workplace.
二、阅读理解
Section A：词汇理解
8. The word "depressed" in the first paragraph means "感到沮丧的"。
9. The word "beneficial" in the second paragraph means "有益的"。
10. The word "consequences" in the third paragraph means "后果"。
Section B：长篇阅读
11. The first paragraph tells us about the benefits of exercise.
12. The second paragraph explains why exercise is important for our health.
13. The third paragraph discusses the best time to exercise.
Section C：仔细阅读
14. The passage discusses the importance of good sleep habits.
15. The first paragraph tells us that good sleep habits are important for our health.
16. The second paragraph explains how to develop good sleep habits.
三、翻译
17. 随着科技的快速发展，我们的生活变得越来越便捷。
18. 我们应该珍惜与家人和朋友相处的时光。
19. 勇敢面对困难，才能取得成功。
四、写作
20. 短文：随着科技的进步，人们的生活越来越便捷。然而，与此同时，我们也面临着一些问题。请以“科技给我们的生活带来的利与弊”为题，写一篇100-120词的短文。
解题思路：
1. 开头引出话题，说明科技给我们的生活带来的便利。
2. 列举科技给我们的生活带来的好处，如手机、电脑、网络等。
3. 说明科技给我们的生活带来的问题，如沉迷网络、隐私泄露等。
4. 总结全文，强调科技是一把双刃剑，我们要善于利用科技，避免其带来的负面影响。
答案：
With the rapid development of technology, our lives have become more convenient. The advent of mobile phones, computers, and the Internet has greatly improved our quality of life. However, along with the convenience brought by technology, we also face some problems. For example, some people become addicted to the Internet, leading to poor physical and mental health. Moreover, privacy leaks have become a common concern.
In conclusion, technology is a double-edged sword. We should make good use of it while avoiding its negative effects. Only in this way can we fully enjoy the benefits brought by technology.
