题目

When you were young, who rode you around on the back of his bike? Who played football and flew kites with you in the park? Who helped you   1   your first difficult maths problems? Who taught you the difference between  2   ? Your dad. Now it is your turn to do something for him. One Sunday in June, is    3   Day. So why not do something   4     to thank your dad?  The idea of Father's Day came from a(n)  5   lady called Sonora Smart Dodd in 1909. She wanted a special day to honour(纪念)her father. He raised(扶养) six children by himself  6             h下列有关氯及其化合物的说法错误的是A．工业上电解熔融的氯化钠可以制备钠B．工业上用Cl2和石灰乳为原料制造漂白粉C．工业上电解饱和氯化镁溶液可制取金属镁D．工业上常用H2在Cl2中燃烧生成的氯化氢溶于水来制取盐酸