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

这是一篇应用文。文章介绍了四个为学生制定的间隔年学习项目。
【21题详解】
细节理解题。根据Carpe Diem Education下的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 . (每个课程都精心培养学生的领导能力和自我意识，让他们在回国后在思想和行动上做好更充分的准备，成为领导者)可知，该项目可以培养学生的领导能力，该项目的联系电话是503-285-1800。如果想培养自己的领导能力，可以拨打503-285-1800。故选B项。
【22题详解】
推理判断题。根据EF Gap Year部分下的You can then by deciding where, when, and how you wish to stand interests own. (你可以通过自己的兴趣决定学习地点、时间和方式)可推断，EF Gap Year的学习时间是灵活的，可以让学生通过自己的兴趣选择。C. Its flexible study time. (它灵活的学习时间)符合以上推测，故选C项。
【23题详解】
细节理解题。根据Youth International部分下的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游、文化交流、家庭住宿、支援社区服务工作和户外冒险的学习项目)；Carpe Diem Education部分下的Through volunteer service (通过志愿者服务)；Center for Interim Programs部分下的 Based or students' interests and budget, our experienced teachers help make individual course choices including low cost volunteer options(基于学生的兴趣和预算，我们经验丰富的老师可以帮助学生选择个人课程，包括低花费的志愿者课程)和 EF Gap Year下的where you will learn a language, volunteer for a good cause, gain international work experience (在那儿，你可以学语言，为公益事业做志愿者，获得国际工作经验)可知，这四个项目都关注志愿者服务工作。A. They pay attention to volunteer service work. (他们都关注志愿者服务工作)符合以上说法，故选A项。