In an age of music videos and video games, of instant gratification and attention deficit disorder(注意力缺乏症), it is easy to assume there is less appetite for high culture today than ever before. Yet(转折)museums, opera houses and other bastions of traditional culture report an explosion of consumption. As our universities mint increasing numbers of graduates, is the public truly getting smarter, or are we simply snacking on the sophisticated stuff while feasting on junk(可用于比较的句型)?