1.audience集体名词
family，team，class，club，folk，committee，crowd，government，party，public，enemy，group，population，couple等作主语时，如果作为一个整体看，谓语动词用单数，如果作为一个个成员讲，则谓语动词用复数。
The audience is large.
The audience were greatly moved at the words.
a big/large/small/ thin audience
