读下列单词,选出与其它三个不属于同类的单词。 ( )1、A. pen B. pencil C. bag D. brown ( )2、A. nine B. cat C. eight D. four ( )3、A. bread B. car C. cake D. milk ( )4、A. six B. book C. bag D. crayon ( )5、A. hand B. head C. mouth D. body ( )6、A. five B. nose C. eye D. ear ( )7、A. monkey B. bear C. three D. dog ( )8、A. pencil box B. rice C. egg D. juice ( )9、A. cat B. elephant C. zoo D. bird ( )10、A. who B. what C. how D. sever