练习题七
文章节选： Many cities around the world are facing challenges due to increasing air pollution. In Beijing, for example, the levels of PM2.5 have reached alarming levels, causing health concerns among residents. The government has taken several measures to address this issue, including promoting the use of electric vehicles and restricting the use of private cars during peak hours. Despite these efforts, the situation remains critical, and further actions are needed to improve air quality.

题目： What is one measure taken by the government to address air pollution in Beijing? A. Encouraging the use of bicycles B. Promoting the use of electric vehicles C. Increasing the number of public parks D. Reducing industrial emissions

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"the government has taken several measures to address this issue, including promoting the use of electric vehicles"，可以看出政府为解决北京的空气污染问题采取的措施之一是推广电动汽车的使用.

练习题八
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： According to the passage, what is one benefit of achieving a good work-life balance? A. Increased stress levels B. Higher job satisfaction C. Lower productivity D. Greater likelihood of burnout

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"employees who achieve a good work-life balance are more productive and have higher job satisfaction"，可以看出实现良好的工作与生活平衡的一个好处是工作满意度更高.

练习题九
文章节选： In recent years, there has been a significant increase in the number of people choosing to work remotely. This trend is largely due to advancements in technology and the need for flexibility in the workplace. Remote work allows employees to have more control over their schedules and work environment. However, it also presents challenges such as the need for effective communication and the potential for feelings of isolation.

题目： What is a challenge associated with remote work mentioned in the passage? A. Increased productivity B. Potential feelings of isolation C. More flexible schedules D. Better work environment

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"Remote work also presents challenges such as the need for effective communication and the potential for feelings of isolation"，可以看出远程工作的一个挑战是可能导致的孤立感.

练习题十
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 a benefit of using renewable energy sources like solar and wind power? A. Increased carbon emissions B. Reduced environmental impact C. Limited energy supply D. Higher energy costs

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"Both of these sources contribute to reducing carbon emissions and slowing down climate change"，可以看出使用太阳能和风能等可再生能源的好处是减少了环境影响，因为它们有助于减少碳排放和减缓气候变化.

练习题十一
文章节选： The concept of "sustainable living" has gained popularity as people become more environmentally conscious. Sustainable living involves making lifestyle choices that minimize environmental impact and promote long-term sustainability. This can include actions such as reducing waste, conserving energy, and supporting local businesses. By adopting sustainable practices, individuals can contribute to a healthier planet and a more sustainable future.

题目： What is one action associated with sustainable living mentioned in the passage? A. Increasing energy consumption B. Supporting local businesses C. Expanding industrial production D. Encouraging consumerism

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"This can include actions such as reducing waste, conserving energy, and supporting local businesses"，可以看出支持当地企业是可持续生活的一个行动.

练习题十二
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. For instance, AI algorithms can detect patterns in patient data that may indicate the early stages of a disease. 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： In which industry is AI used for fraud detection and risk assessment? A. Healthcare B. Finance C. Transportation D. Education

答案解析： 正确答案是B。这是一道细节理解题。根据文章中的描述，"In finance, AI is used for fraud detection and risk assessment"，可以看出在金融行业，人工智能被用于欺诈检测和风险评估.