第二节： Joseph, Mary, Jack, Mike和Emily都打算利用业余时间选择一个网站学习。第68至第72题是他们的个人情况介绍。阅读下面六个网站栏目的简介（A、B、C、D、E和F），选出符合各人需要的最佳选项。选项中有一项是多余的。
68. Joseph is a four-year-old boy and is curious about the community and the outside world. So his mom wants to choose a website for him to learn the out-side world through some interesting activities.
