题目

已知A、B、D、E 均为中学化学常见物质，它们之间的转化关系如图所示（部分产物略去，①②③④的反应条件相同）．则A、E 可能的组合为（ ） ①CO2、NaOH 溶液 ②NaCl溶液、Ca（OH）2 溶液③Fe、稀HNO3 ④Na、O2 ⑤CuO，C ⑥AlCl3 溶液、NH3•H2O． A . ②③④⑤ B . ①③④⑤⑥ C . ①②③⑤⑥ D . ①③⑤ 答案：D--- Look, this pair of shoes ________ beautiful, right?---Yes. But they don’t fit me ________ .A. is, very much B. is, very wellC. are, very much D. are, very well