A.By setting up joint ventures with partners in Asia. B.By opening up whole sale chain-stores in Japan. C.By distributing its products to retail stores with' ship in shop' concept. D.By setting up retail stores.
【单选题】以N A 表示阿伏伽德罗常数,下列说法中正确的是 ①58.5 g氯化钠固体中含有N A 个氯化钠分子; ②5.6 g铁粉与酸反应失去的电子数一定为0.2 N A ; ③6.0 g金刚石中含有的共价键数为N A ; ④标况下,11.2 L SO 3 所含的分子数为0.5 N A ; ⑤1L 1 mol·L -1 AlCl 3 溶液中含有N A 个胶粒Al 3+ ; ⑥常温下,42 g C 2 H 4...