64. B 细节理解题。根据文章第二段中"...will exhibit the objects accumulated by unknown collectors. In doing so, they will promote a popular culture of museums"可知博物馆通过展览平民的收藏品来促进博物馆的流行文化。

65. A 细节理解题。根据文章第三段中"...ask someone what they collect and their answers will tell you who they are."可知通过了解藏品可以知道收藏者是怎样的人。

66. C 推理判断题。根据第三段内容以及第四段中"The thinkers behind the project want to explore why people collect, and what it means to do so, They hope that visitors who may not have considered themselves collectors will begin to see they, too, collect.’’可推测C项是新型博物馆的一个目的。

67. A 细节理解题。根据文章最后一段中"you stop when you grow up"可知他们成年以后就可能停止收藏。