练习题十三
文章节选： The rise of e-commerce has transformed the retail landscape. Online platforms like Amazon and Alibaba have become dominant players, offering a vast array of products at competitive prices. This shift has led to a decline in traditional brick-and-mortar stores, as consumers increasingly prefer the convenience of shopping from home. To stay competitive, many physical stores are now integrating online and offline shopping experiences, such as offering in-store pickup for online orders.

题目： What has been the impact of e-commerce on traditional brick-and-mortar stores? A. They have expanded their product range. B. They have experienced a decline. C. They have increased their prices. D. They have improved their customer service.

答案解析： 正确答案是B。这是一道细节理解题。文章中提到，"This shift has led to a decline in traditional brick-and-mortar stores, as consumers increasingly prefer the convenience of shopping from home." 这说明电子商务的兴起导致传统实体店经历了衰退，因为消费者更喜欢在家购物的便利性。

练习题十四
文章节选： In recent years, there has been a growing interest in plant-based diets. Many people are adopting this lifestyle for various reasons, such as environmental sustainability and health benefits. Plant-based diets are rich in nutrients and can help reduce the risk of chronic diseases like heart disease and diabetes. Additionally, they are more sustainable as they require less water and land compared to animal-based diets.

题目： What is a reason for the growing interest in plant-based diets? A. The taste of plant-based foods B. Environmental sustainability and health benefits C. The convenience of cooking D. The availability of plant-based products

答案解析： 正确答案是B。这是一道细节理解题。文章中提到，"Many people are adopting this lifestyle for various reasons, such as environmental sustainability and health benefits." 这说明人们对植物性饮食的兴趣日益增长的原因包括环境可持续性和健康益处。

练习题十五
文章节选： The use of smartphones has become ubiquitous in modern society. They have revolutionized the way we communicate, access information, and entertain ourselves. However, excessive smartphone use can have negative effects on our social interactions and mental health. For example, constantly checking social media can lead to feelings of loneliness and decreased self-esteem. To mitigate these effects, it is important to establish healthy boundaries and limit the time spent on smartphones.

题目： What is a negative effect of excessive smartphone use mentioned in the passage? A. Improved communication skills B. Decreased self-esteem C. Enhanced productivity D. Increased physical fitness

答案解析： 正确答案是B。这是一道细节理解题。文章中提到，"For example, constantly checking social media can lead to feelings of loneliness and decreased self-esteem." 这说明过度使用智能手机的一个负面影响是可能导致自尊心下降。