化学与生活、环境密切相关,下列有关说法不正确的是 ( ) A . Na 2 O 2 吸收 CO 2 产生 O 2 ,可用作呼吸面具供氧剂 B . 具有的吸附能力,可用于吸收新装修房屋内的有害气体 C . 碘酸钾具有较强氧化性,在食盐中加入适量碘酸钾,可抗人体老化 D . 研发使用高效电力能源汽车,减少雾霾污染以降低呼吸系统发病率
【简答题】An old woman walked around as she pushed her shopping cart full of many things. She was 36 . Her hair was untidy. Her clothes were torn. And some of her teeth were missing. She 37 and asked me for cha...