A.社會(huì)經(jīng)濟(jì) B.社會(huì)生產(chǎn)力 C.生產(chǎn)技術(shù) D.生產(chǎn)規(guī)模
A.白醋 B.鹽 C.芥末 D.色拉油
A.20℃ B.15℃ C.10℃ D.5℃