【解析】
61. 根据短文第二段"One of the most popular forms of this kind is the summer camp, where you can learn different skills and make friends with others."可找到答案。
62. 结合短文第三段"Outdoor activities in summer camps challenge not only your body, but also your mind."和第四段"Maybe most importantly, these outdoor activities will give you confidence (自信心) in yourself and your abilities."整合得出答案。
63. 短文第三段提到在夏令营户外活动中能学习应急操作步骤，作者提及徒步旅行的经历是为了举例说明在这类活动中必要时可以学到应急操作步骤。
64. 根据短文最后一段"The best part? You can do these outdoor activities almost anywhere in the world, with new challenges in new environments."提取答案。
65. 通读全文可知，夏令营的户外活动既有挑战性，又能让人学到技能、获得自信等，是很有意义的，据此归纳即可。
【答案】
61. Learn different skills and make friends with others.
62. They challenge our body and mind as well as make us confident.
63. To show that one can learn emergency procedures if necessary during the outdoor activities in a summer camp.
64. We can do these outdoor activities almost anywhere in the world.
65. Outdoor activities in a summer camp can be not only challenging but also meaningful. (答案合理即可)
【知识点】
阅读理解信息提取、文本主旨归纳、细节推理分析
【点评】
本文围绕夏季夏令营户外活动展开，题目从细节到主旨全面考查学生对文本的理解能力，既需要精准提取细节信息，也需要具备归纳总结的能力，有助于提升学生的英语阅读素养。
【难度系数】
0.6
