A.粗暴對(duì)待B.隨意處理C.溫和對(duì)待D.忽視不管
A.酒精B.漂白粉C.鹽水D.食用油
A.防止動(dòng)物疫病傳播B.確保產(chǎn)品新鮮C.監(jiān)測(cè)運(yùn)輸工具的質(zhì)量D.提高產(chǎn)品競(jìng)爭(zhēng)力