题目

Dad had a green comb. He bought it when he married Mum. Every night, he would hand me his  41___ and say, “Good girl, help Daddy clean it, OK?”     I was    42    to do it. At age five, this dull task brought me such   43   . I would excitedly turn the tap    44    and brush the comb carefully. Satisfied that I’d done a good job, I would happily return the comb to Dad. He would    45   affectionately(疼爱地） at me and place the comb on his wallet.     Two years later, Dad started his own     46   , which wasn’t doing so well. That was wh下列说法错误的是（ ）A．钠和铁一样，都能在氯气中燃烧生成金属氯化物B．液氯是氯气的水溶液，它能使干燥的有色布条褪色C．氯气跟变价金属反应生成高价金属氯化物D．氯水具有杀菌、漂白作用是因为氯水中含有强氧化性的次氯酸