是不是不可数名词？不可数名词就是数不清的词。可数名词 1)单数名词加s: students, apples, bags, trees, books, brothers.� 2)以s、x、sh、ch结尾的名词加es: glasses, boxes, brushes, matches.� 3)以辅音字母加y结尾的名词，变y为i加es: cities, babies, enemies. �4)以f或fe结尾的名词，多数变f为v加es: wives, knives.但有些词只加s: roofs, proof s, chiefs.� 5)以o结尾的名词，有些加es: Negroes, heroes, tomatoes, potatoes.其它加s: radio s, zoos, pianos, photos.� 6)不规则名词：foot→feet, goose→geese, tooth→teeth, child→children, man→me n, woman→women, sheep→sheep, deer→deer, mouse→mice. 7)某些外来词变复数：datum→data, medium→media, bacterium→bacteria, curriculum→curricula, criterion→criteria, phenomenon→phenomena. (�um/�on→a)�analysis→analyses, basis→bases, crisis→crises, diagnosis→diagnoses.(�is→es )� 8)复合名词变复数：以不可数名词结尾的复合名词无复数形式，如：homework.� 以man或woman为前缀的复合名词变复数，前后两个名词都变复数，如：manservant→menservants, woman student women students.� 其它复合名词变复数：grown�up→grown�ups, brother�in�law→brothers�in�law, stand�by→stands�by.� 9)复合形容词做定语时，其中的名词保持单数：a six�year�old boy，a two�hundred�page book 【例句】�A second doctor must confirm that these criteria ______ and the death must be re ported to the police department.� A) has been met B) have been met� C) was met D) was being met� criteria是复数形式，故A，C，D都为错误选项。正确答案为B。 1) The university authorities are seriously considering abandoning the traditional______class.� A) fifth minutes B) fifty�minutes� C) fifty�minute D) fifty minute's� 复合形容词用作定语时，其中的名词不变复数，故B不对。A不能做定语，D应为fifty minutes'，正确答案为C。不可数名词 不可数名词主要包括两大类：物质名词与抽象名词。物质名词表示无法为个体的实物，如：食物、水、金属等，例如：rice，meat，bread，water，iron，steel，copper. 抽象名词为动作、状态、品质等无法计数的抽象概念，例如：advice, confidence, know ledge, shame, heat, darkness. 不可数名词本身没有复数形式,不能用不定冠词修饰，谓语动词一般用单数。� 例句：These books,which you can get at any bookshops,will give you_____you need.(CET4 2000/6)� A) all the information� B) all the informations� C) all of information� D) all of the informations� Information是不可数名词，没有复数，因此B和D都是错误选项。正确答案为A.
温馨提示：答案为网友推荐，仅供参考