找出与其它三个不同类的单词。(8分) (1)A. monkey B . bread C. tiger D.cat (2)A. Chinese B. China C. England D.Canada (3)A. guitar B. piano C. football D.erhu (4)A.Monday B. today C. Saturday D.Friday (5)A.winter B. cold C. summer D.spring (6)A.red B. black C. purple D.soil (7)A.dirty B. arm C. shoulder D.head (8)A.second B. cold C. heavy D.quiet