找出与其它三个不同类的单词。
(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