选出一个与其它三个不属于同一类的单词,并将序号填入题前的括号里。
(1)A.thirty B.fifty C.four D.too
(2)A.math B.English C.book D.Chinese
(3)A.blue B.ruler C.green D.purple
(4)A.tall B.sports C.strong D.quiet
(5)A.notebook B.floor C.wall D.door
(6)A.apple B.big C.pear D.orange
(7)A.cake B.car C.bike D.plane
(8)A.crayon B.sharpener C.pen D.picture
(9)A.cat B.peach C.rabbit D.duck
(10)A.friend B.father C.brother D.grandpa