练习七
文章： In today's globalized world, cultural diversity has become an essential aspect of society. People from different backgrounds and cultures are interacting more frequently than ever before. This diversity brings numerous benefits, such as fostering creativity, promoting innovation, and enhancing problem-solving skills. It also encourages mutual understanding and respect among individuals from different cultures. However, cultural diversity can also present challenges, such as language barriers and cultural misunderstandings. To fully harness the advantages of cultural diversity, it is crucial to promote cultural awareness and education. By embracing and celebrating our differences, we can create a more inclusive and harmonious society.

题目： What does the passage mainly discuss? A. The benefits of cultural diversity. B. The challenges of cultural diversity. C. The importance of cultural diversity. D. The future of cultural diversity.

答案：C

解析：文章主要讨论了文化多样性的重要性，包括其带来的好处、面临的挑战以及如何充分利用其优势，因此选项C“文化多样性的重要性”是文章的主旨.

练习八
文章： The rise of remote work has transformed the way many people work and live. With advancements in technology, employees can now perform their jobs from anywhere, as long as they have a stable internet connection. Remote work offers numerous advantages, such as increased flexibility, reduced commuting time, and improved work-life balance. It also allows companies to hire talent from around the world, expanding their talent pool. However, remote work also presents challenges, such as feelings of isolation and difficulties in communication and collaboration. To ensure the success of remote work, it is important for companies to establish clear communication channels and provide support for employees' well-being.

题目： What is the main idea of the passage? A. The advantages of remote work. B. The disadvantages of remote work. C. The impact of remote work on employees. D. The impact of remote work on companies.

答案：C

解析：文章主要讨论了远程工作对员工的影响，包括其带来的好处和挑战，因此选项C“远程工作对员工的影响”是文章的主旨.

练习九
文章： The issue of mental health has gained increased attention in recent years. Mental health problems, such as depression and anxiety, can have a significant impact on individuals' quality of life and their ability to function effectively. There are various factors that can contribute to mental health issues, including stress, trauma, and genetic predisposition. It is important to raise awareness about mental health and to provide accessible and effective treatment options for those in need. Additionally, promoting a supportive and understanding environment can help individuals cope with mental health challenges. By addressing mental health issues, we can improve the overall well-being of society.

题目： What does the passage mainly discuss? A. The causes of mental health problems. B. The effects of mental health problems. C. The importance of addressing mental health issues. D. The solutions to mental health problems.

答案：C

解析：文章主要讨论了关注心理健康问题的重要性，包括心理健康问题的影响、成因以及如何应对，因此选项C“关注心理健康问题的重要性”是文章的主旨.