21.下列何者屬於陽離子系界面活性劑(cationic surfactant),可做為消毒劑使用?
(A)Tween-20
(B)alkyl-benzene sulfonate
(C)lecithin
(D)benzalkonium chloride
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統計: A(70), B(219), C(47), D(338), E(0) #3387586
統計: A(70), B(219), C(47), D(338), E(0) #3387586