选出不同类的单词。（每小题1分，共5分）
(    )

A．hen

B．cow

C．goat

D．fat

(    )

A．rainy

B．windy

C．cloudy

D．hello

(    )

A．blue

B．shirt

C．dress

D．jacket

(    )

A．one

B．time

C．two

D．thirty

(    )

A．art room

B．computer room

C．wash room

D．board