Now many students have become crazy about c ____  cards in my school. Some have been collecting them ____ about three years. After one gets card, he will____ (分享)it with his friends. Many students are so addicted (上了瘾的) to it that they have changed a lot. Some students even play with the cards in class. So they have fallen behind in their____ .
   The card is i ____  as a gift in the bag of some food. T ____ , to get these cards, many students try their best to ask for ____  from their parents. I hear Tim and Tom have already collected more than one t____  cards from stores or their friends.  ____  is not long for them to collect a lot of cards. But without good care, the cards can be taken away easily by other collectors. So many students fight with each other for the cards.
   I suggest that as a student, we shouldn’t be too fascinated(感到，着迷的) in collecting cards ____  longer. Study hard and become a good host of the future!

家风，是一个家庭代代相传的传统风尚，有什么样的家风，往往就有什么样的做人做事的态度、为人处世的伦理。勤俭持家不浪费、以身作则敢担当、宽以待人孝为先……一个个家庭的家风、家训，向社会传递着正能量。

2015年，某电视台推出《家风是什么》特别节目引发公众对“家风”的关注。重提家风体现了道德的回归和价值的重建，与当前提倡建设社会主义核心价值体系，构建诚信和谐社会是一致的，具有重大的现实意义和时代意义。

结合材料，回答下列问题：

生活中，凡人善举不断涌现。我市小叶捐赠器官拯救他人生命的善举，赢得社会各界的广泛赞誉。为此，班级决定开展以“与人为善，传递正能量”为主题的综合性学习活动。