问题 选择题 选出不同类的单词。( ) 1. A. brown( ) 2. A. pink( ) 3. A. head( ) 4. A. yellowB. bookB. penB. fingerB. orange C. blackC. pencil C. legC. armD. blueD. rulerD. whiteD. green 答案 1. B 2. A 3. D 4. C