A.3~7 B.7~11 C.10~30 D.30~60
A.吃 B.看 C.聽 D.嗅
A.皮膚稍有光澤,肉的切面有光澤 B.皮膚有光澤,肉的切面有光澤,色澤正常 C.體表無(wú)光澤,頭頸部呈暗紅色 D.外表稍干燥,有黏手感