[解析]
(1)细节理解题。根据Dinah (China)部分中I enjoy the happy atmosphere of both Chinese and Western festivals.(我喜欢中国节日和西方节日的欢乐气氛)和I like Western festivals and often celebrate them without even knowing the origins of them.Why?Because what I really appreciate is just the happy atmosphere.(我喜欢西方的节日,经常庆祝它们,甚至不知道它们的起源。为什么?因为我真正享受的只是快乐的气氛)可知,Dinah认为庆祝节日时的气氛最重要。A.The atmosphere when celebrating festivals.庆祝节日时的气氛;B.The people with whom to celebrate festivals.一起庆祝节日的人;C.Celebrating Chinese festivals with her family.和家人一起庆祝中国的节日;D.Celebrating Western festivals in a good atmosphere.在良好的气氛中庆祝西方节日。故选A项。
(2)观点态度题。根据SharkMinnow (Canada)部分中Western Festivals are more like parties or games for some Chinese.(对一些中国人来说,西方节日更像是聚会或游戏)和Most Chinese don't take Western festivals as seriously as their own.It's like a game or party in my eyes.A way to blow off steam and have fun (and spend money).(大多数中国人并不像对待自己的节日那样重视西方节日。在我眼里,这就像一场游戏或派对。这就像我眼中的游戏或派对。一种发泄情绪和享受乐趣(并花钱)的方法)可知,SharkMinnow认为中国人并没有理解西方节日,只是把它当作一种发泄情绪和享受乐趣(并花钱)的方法,由此推知,他并不太赞同中国人这样过去西方节日;根据Leesinchina (US)部分中"Cherish your own festivals.It would be a pity if the Chinese accepted these Western days(珍惜你自己的节日。如果中国人接受这些西方的节日,那将是一个遗憾)可知,Leesinchina认为中国人庆祝西方节日是一种遗憾,对其持否定态度。故选D项。
(3)文章主题题。根据第一段An increasing number of Chinese people,especially the young,are more willing to celebrate Western festivals.Should we celebrate foreign festivals?Forum (论坛)readers share their opinions.You're welcome to add yours.(越来越多的中国人,尤其是年轻人,更愿意庆祝西方节日。我们应该庆祝外国节日吗?论坛的读者们分享他们的观点。欢迎您添加您的)可知,本文引用了论坛读者关于"我们应该庆祝外国节日吗?"这一问题的不同观点,探讨了我们是否应该庆祝外国节日,所以"Should we celebrate foreign festivals?(我们应该庆祝外国节日吗?)"是文章话题。A.How should we celebrate festivals?我们应该如何庆祝节日?B.Should we celebrate foreign festivals?我们应该庆祝外国节日吗?C.Why are more young people celebrating foreign festivals?为什么越来越多的年轻人庆祝外国节日?D.Are more Chinese people willing to celebrate foreign festivals?越来越多的中国人愿意庆祝外国节日吗?故选B项。
(4)文章出处题。根据第一段Forum(论坛) readers share their opinions.You're welcome to add yours.(论坛的读者们分享他们的观点。欢迎您添加您的)可推知,本文出自网络论坛页面,来自一个网站。故选C项。