题目

多硫化钠Na2Sx()在结构上与Na2O2, FeS2等有相似之处,Na2Sx在碱性溶液中可被NaClO氧化成Na2SO4,而NaClO被还原成NaCl,反应中Na2Sx与NaClO的量之比为1:16,则x值是                  A.5                B.4                C.3                   D.2 答案:ACould you show me ________ pair of jeans? A.other B.the other C.another D.others
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