b.改错题出题方向： 一、名词： A、名词做定语的单复数问题： 1． 名词做定语，即n1修饰n2, n1必须为单数。（讲义 P1 10） a twenty-four hour period √ 例外：a greetings card √ a savings bank √ a communucations satellite √ a sports car √ a sales girl √ a systems engineering √
2． many woman修饰名词，单复数与后面的名词的单复数一致，比如：women boxers （讲义P1 11）
3． the highset scientific lab X a chemical lab X a mathmatics(n.) professor √ a biological textbook X 当表示某一学科的教授、学生、教科 书、实验室、系等教学要素，应该用名词修饰，而不是用形容词。eg: a physics student the scientific and technical field (用形容词因为field不是教学要素) B、限定词与名词单复数：（讲义P1 4） 1． some / any / all 单复数均可，可数不可数均可 如：some kind 某一种 some kinds 某些种 some time some money any of the books / some of the books →any / some作代词 Would you like some coffee?(想要得到肯定的回答) 2． Many pl Much /Λ / （见讲义P1 3） As much as 2,000 kms. √ 永远作单数 As many as 50 precent of the income. X precent /Λ / As much as 50 precent of the income. √ 2000 kms is a long distance. √ many are… by many… many也可以作prep (讲义P1 13) 3．few ./ a few 可数，肯定 （讲义P1 2） little / a little 不可数，否定 （a）few n.s