以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。
例如:
"The Arabian Nights" is a very interesting story-book.
《一千零一夜》是一本非常有趣的故事书。
以s结尾的学科、新闻、组织、书名等的名词,形式是复数,但它们是单数
例:maths—maths, politics—politics, physics—physics, news—news, the United States—the United States, the United Nations—the United Nations, the Arabian Nights—the Arabian Nights