从每组单词中找出不同类的那个单词。(10分) ( ) (1)A student B. nurse C. knife ( ) (2)A. father B. teacher C. brother ( ) (3)A. sister B. worker C. farmer ( ) (4)A. peaches B. bananas C. car ( ) (5)A. nurse B. oranges C. grapes ( ) (6) A. there B. eight C. twelve ( ) (7) A. who B. white C. where ( ) (8) A. boy B. girl C. CD ( ) (9) A. pen B. ruler C. son ( ) (10)A. red B. yes C. blue