练习题六
文章节选： The concept of "work-life balance" has become increasingly important in today's fast-paced society. Many employees struggle to find a balance between their professional and personal lives. A recent study found that employees who achieve a good work-life balance are more productive and have higher job satisfaction. They also experience less stress and are less likely to suffer from burnout. Companies are now recognizing the importance of supporting their employees in achieving this balance.

题目： What is the main idea of the passage? A. The challenges of achieving work-life balance B. The importance of work-life balance C. The role of companies in employee well-being D. The impact of stress on productivity

答案解析： 正确答案是B。文章主要强调了工作与生活平衡的重要性，指出实现这种平衡的员工更有生产力、工作满意度更高，并且压力更小，不容易出现职业倦怠.

练习题七
文章节选： The use of renewable energy sources is becoming more widespread as people become aware of the environmental impact of fossil fuels. Solar power, for example, is a clean and abundant source of energy that can be harnessed using solar panels. It is particularly effective in areas with high sunlight exposure. Wind energy is another renewable option that utilizes wind turbines to generate electricity. Both of these sources contribute to reducing carbon emissions and slowing down climate change.

题目： What is the main idea of the passage? A. The limitations of fossil fuels B. The benefits of renewable energy sources C. The technology behind solar panels D. The impact of climate change on energy

答案解析： 正确答案是B。文章主要介绍了可再生能源的优势，如太阳能和风能，它们有助于减少碳排放和减缓气候变化，强调了可再生能源的广泛应用趋势.

练习题八
文章节选： The concept of "digital nomadism" is becoming increasingly popular among young professionals. Digital nomads are individuals who work remotely while traveling the world. They can work from anywhere with an internet connection, allowing them to explore new cultures and environments. This lifestyle offers flexibility and adventure, but it also requires strong self-discipline and the ability to adapt to different living and working conditions.

题目： What is the main idea of the passage? A. The challenges of remote work B. The rise of digital nomadism C. The importance of internet connectivity D. The benefits of exploring new cultures

答案解析： 正确答案是B。文章主要讨论了数字游民的概念及其流行趋势，指出这种生活方式提供了灵活性和冒险的机会，但也需要较强的自律和适应能力.

练习题九
文章节选： The development of artificial intelligence (AI) has had a significant impact on various industries. In healthcare, AI can analyze medical data to diagnose diseases more accurately and efficiently. In finance, AI is used for fraud detection and risk assessment, helping banks and financial institutions to make better decisions. In transportation, AI powers autonomous vehicles, improving safety and reducing traffic congestion.

题目： What is the main idea of the passage? A. The limitations of artificial intelligence B. The impact of AI on different industries C. The future of transportation D. The role of AI in healthcare

答案解析： 正确答案是B。文章主要探讨了人工智能对不同行业的影响，包括医疗、金融和交通，强调了AI在这些领域的应用和重要性.

练习题十
文章节选： The popularity of electric vehicles (EVs) is growing rapidly as people become more concerned about environmental issues. According to recent statistics, the global EV market is expected to expand by 30% in the next five years. This growth is driven by factors such as government incentives, technological advancements, and increasing consumer awareness. Many automakers are investing heavily in the development of new EV models to meet the growing demand.

题目： What is the main idea of the passage? A. The challenges facing the EV market B. The growth of the electric vehicle market C. The history of electric vehicles D. The impact of consumer awareness on EV sales

答案解析： 正确答案是B。文章主要讨论了电动汽车市场的快速增长趋势及其驱动因素，如政府激励、技术进步和消费者意识的提高，强调了电动汽车市场的扩张潜力.