[解析]
(1)A.推理判断题。根据第二段的According to Auburn University professors,the experience of interacting with people of their own age is very.important for young people.To encourage interaction in your community,arrange a youth social activity.Such activities are a good way to encourage friendship and social development. (奥本大学教授认为,与同龄人互动的经历对年轻人来说非常重要。为了鼓励社区内的互动,安排一个青年社会活动。这些活动是促进友谊和交际发展的好方法。)可知,本段提出与同龄人互动对年轻人很重要,可以通过一些活动促进友谊和社交能力的提高,接下来列举了两个例子You can arrange a bike tour through the local community.(你可以在当地社区安排一次自行车之旅。)和A group hiking trip is another way to keep young people physically active and sociable.(团体徒步旅行是让年轻人保持身体活力和社交的另一种方式。)可推断,因此选项 A.By giving examples.作者是通过举例来说明观点的。故选A。
(2)C.词义猜测题。根据上文Technological development has made many children give up books and social activities in favor of television,computer and video games.(科技的发展使许多孩子放弃读书和社交活动,而转向看电视、玩电脑和电子游戏。)可知,科技的发展导致孩子们放弃书籍和社交,因此推断划线句Organize a youth weekly reading group to reinforce the value of reading and interacting with others(组织青少年每周读书会,reinforce阅读及与他人互动的重要性。)说明通过组织每周阅读小组,是为了强化阅读和与他人活动的重要性,划线词与C项"加强;强化"意思相近。A.Compare比较;B.Explore探索;C.Strengthen加强;D.Appreciate欣赏。故选C。
(3)D.推理判断题。根据最后一段的Although many youth social events are;aimed at entertainment (娱乐),it is also important to teach the value of community service.Arrange a trip to a local nursing home and have the young people spend a day socializing with the elderly.(尽管许多青年社交活动都是以娱乐为目的的,但教导社区服务的价值也很重要。安排一次当地养老院的旅行,让年轻人花一天时间与老年人交往。)可知,作者建议去当地养老院是为了向年轻人展示社区服务的重要性。因此选项D.To show young people the value of community service.向年轻人展示社区服务的价值。故选D。
(4)D.主旨大意题。第一段During their childhood and teenage years,some young people may feel too shy or uncomfortable to interact (互动) with others of their age.Others may simply become too social in the use of technology to try outdoor interactions.(在他们的童年和青少年时期,一些年轻人在与同龄人活动时可能会感到害羞或者不舒服。另一些人可能只是因为太喜欢使用科技,而不想尝试户外互动。)提出问题,青少年缺少互动,第二段的To encourage interaction in your community,arrange a youth social activity.(为了鼓励在你的社区里的互动,安排一次青少年社交活动。)讲述可以通过一些社交活动让青少年互动,下文列举了一些类似的活动,第三段提出科技阻碍了青少年与他人互动,并列举一些活动,最后一段介绍了社区服务可以教授青少年回馈社会。因此推断本文主要讲述了一些帮助青少年彼此活动的建议。选项D.Some suggestions to help youth interact with each other.提出了一些帮助青少年互动的建议。故选D。