Below you will find a profile of each gap year program. If there is a specific program

文章大意：这是一篇应用文。主要介绍了四个为学生制定的间隔年学习项目。
21.B 细节理解题。根据Carpe Diem Education部分中Each course is carefully crafted to develop leadership and self-awareness within our students, who return home better prepared to be leaders in thought and action.可知每一门课程都经过精心设计，旨在培养学生的领导力和自我意识，让他们在回国后能更好地为成为思想和行动的领导者做好准备。由此可知，如果你想提高你的领导能力，你可以拨打503-285-1800。故选B。
22.C 细节理解题。根据EF Gap Year部分中You can then personalize your program to meet your learning goals and interests by deciding where, when, and-how you wish to study on your own.可知然后，您可以通过决定自己希望在哪里、何时以及如何学习来个性化您的课程，以满足您的学习目标和兴趣。由此可知，EF间隔年的独特之处是它的个性化程序。故选C。
23.A 细节理解题。根据Youth International部分中 It is a learning program that combines international travel, inter-cultural exchange, home stays, volunteer community service work and outdoor adventures.(这是一个结合国际旅行、跨文化交流、家庭住宿、志愿社区服务工作和户外冒险的学习项目)；Carpe Diem Education部分中Through volunteer service, travel and cultural exchange, students of Carpe Diem Education receive a personal insight into themselves and their cultures.(通过志愿服务、旅游和文化交流，及时行乐教育的学生可以了解他们自己和他们的文化)；Center for Interim Programs部分中Based on students’ interests and budget, our experienced teachers help make individual course choices including: low cost volunteer options, language programs, research trips, and so on.(根据学生的兴趣和预算，我们有经验的老师帮助学生选择个人课程，包括：低成本的志愿者选择，语言课程，研究旅行等)以及EF Gap Year部分中EF Gap Year offers students the ability to explore several countries where you will learn a language, volunteer for a good cause, gain international work experience.( EF间隔年为学生提供了探索多个国家的能力，在那里你可以学习一门语言，为公益事业做志愿者，获得国际工作经验)由此可知，这四个项目共同之处在于他们重视志愿服务工作。故选A。