题目

Sydney Airport International Terminal-Arrivals AreaSPECIALTY RETAILNewslink: Two separate Newslink stores cater to all your reading needs including newspapers, magazines and the latest bestsellers.Downtown Duty Free: Make sure you shop at Downtown Duty Free for great savings on a range of items including perfume, alcohol, skincare and cigarettes. It’s your last chance before customs.Beach Culture: A must for those who go into the Latest in beach clothing. Top surf, street and fashion labels including Mambo, Stussy and Quicksilver, including children’s sizes.DININGBlue Sky Care: Speedy serv将适量的Cl2通过洗气瓶甲后，再通过盛有干燥的红布条的乙瓶，布条不褪色；若将Cl2直接通入乙瓶，布条褪色．则甲瓶中所盛的试剂可能是①浓H2SO4   ②NaOH溶液   ③Na2CO3溶液   ④KI溶液A.①②B.①②③C.②④D.①②③④