练习题二十五
文章节选： In recent years, there has been a growing interest in space exploration. Countries around the world are investing heavily in space missions to study the universe and search for extraterrestrial life. For example, NASA has launched several missions to Mars to investigate its surface and atmosphere. These missions aim to expand our knowledge of the solar system and potentially discover new scientific breakthroughs.

题目： What is one goal of space exploration missions mentioned in the passage? A. To promote tourism in space B. To search for extraterrestrial life C. To establish permanent colonies on other planets D. To develop new technologies for military use

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，"Countries around the world are investing heavily in space missions to study the universe and search for extraterrestrial life"，可以看出探索太空任务的一个目标是寻找外星生命.

练习题二十六
文章节选： The concept of "sustainable tourism" is gaining traction as travelers become more environmentally conscious. Sustainable tourism focuses on minimizing the negative impact of tourism on the environment and local communities. It encourages tourists to respect local cultures and support local businesses. By doing so, sustainable tourism can help preserve natural resources and promote economic development in the destination areas.

题目： What does sustainable tourism encourage tourists to do? A. Ignore local cultures B. Respect local cultures and support local businesses C. Focus solely on economic benefits D. Increase the use of natural resources

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，"It encourages tourists to respect local cultures and support local businesses"，可以看出可持续旅游鼓励游客尊重当地文化和支持当地企业.

练习题二十七
文章节选： The use of drones has expanded rapidly in various industries. In agriculture, drones can be used for crop monitoring and precision farming, allowing farmers to optimize their crop yields. In the film industry, drones are used for aerial photography and capturing unique camera angles. In emergency services, drones can assist in search and rescue operations by providing real-time aerial footage.

题目： In which industry are drones used for aerial photography? A. Agriculture B. Film industry C. Emergency services D. Retail

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 the film industry, drones are used for aerial photography and capturing unique camera angles"，可以看出无人机在电影行业中被用于航拍和捕捉独特的镜头角度.

练习题二十八
文章节选： The popularity of online learning has surged during the pandemic. Many educational institutions have shifted their courses online to accommodate students who are unable to attend classes in person. Online learning offers flexibility and accessibility, allowing students to learn at their own pace and from any location. However, it also presents challenges such as the need for reliable internet access and the potential for decreased student engagement.

题目： What is one challenge of online learning mentioned in the passage? A. Increased student engagement B. The need for reliable internet access C. More traditional teaching methods D. Greater access to educational resources

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，"it also presents challenges such as the need for reliable internet access"，可以看出在线学习的一个挑战是需要可靠的互联网接入.

练习题二十九
文章节选： The concept of "work-life integration" is becoming more prevalent in today's fast-paced society. Unlike work-life balance, which implies a clear separation between work and personal life, work-life integration involves blending the two. This approach allows individuals to be more flexible and responsive to both work and personal demands. It can lead to increased job satisfaction and a more fulfilling life overall.

题目： How does work-life integration differ from work-life balance? A. It requires a strict separation between work and personal life. B. It involves blending work and personal life. C. It focuses solely on work achievements. D. It emphasizes the importance of personal life over work.

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，"Unlike work-life balance, which implies a clear separation between work and personal life, work-life integration involves blending the two"，可以看出工作与生活融合与工作与生活平衡的不同之处在于，前者涉及将工作与个人生活融合在一起，而不是像后者那样明确分开.

练习题三十
文章节选： The development of 5G technology has the potential to revolutionize various industries. It offers faster internet speeds and lower latency, which can enable new applications such as autonomous vehicles and smart cities. In healthcare, 5G can facilitate real-time monitoring of patients and remote consultations. In entertainment, it can enhance virtual reality experiences and streaming services. The widespread adoption of 5G is expected to drive economic growth and create new job opportunities.

题目： What is one application of 5G technology mentioned in the passage? A. Enhancing virtual reality experiences B. Reducing the cost of internet services C. Increasing the use of traditional media D. Decreasing the speed of data transmission

答案解析： 正确答案是A。这是一道细节理解题。根据文章中的描述，"In entertainment, it can enhance virtual reality experiences and streaming services"，可以看出5G技术的一个应用是在娱乐领域增强虚拟现实体验.