如: a dollar, two dollars; a meter, two meters 3)集体名词,以单数形式出现,但实为复数。 如: people police cattle 等本身就是复数,不能说 a people,a police,a cattle,但可以说 a person,a policeman,a head of cattle,the English,the British,the French,the Chinese,the Japanese,the Swiss 等名词,表示国民总称时,作复数用。 如: The Chinese are industries and brave. 中国人民是勤劳勇敢的。 4)以s结尾,仍为单数的名词,如: a. maths,politics,physics等学科名词,为不可数名词,是单数。 b. news 是不可数名词。 c. the United States,the United Nations 应视为单数。 The United Nations was organized in 1945. 联合国是1945年组建起来的。 d. 以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。 "The Arabian Nights" is a very interesting story-book.