找出不同类的单词。
（1）A. window B. door C. mouse
（2）A. picture B. fish C. light
（3）A. driver B. strong C. short
（4）A. rabbit B. book C. ruler
（5）A. chair B. fork C. spoon
（6）A. forty B. five C. schoolbag
（7）A. strong B. school C. quiet
（8）A. study B. school C. kitchen
（9）A. computer B. ant C. duck