A.還原反應(yīng) B.取代反應(yīng) C.加成反應(yīng) D.消除反應(yīng)
A.丙酮 B.甲醇 C.乙烯 D.乙炔
A.CH3CH=CH2 B.CH3OCH3 C.CH3CH2NH2 D.CH3OH