题目

    A man worked in a big company．One day, he came home from 41  late, tired and annoyed, to find his 6-year old son  42  him at the door．The  43  his son saw him, he asked him a question, “Daddy, how much do you make an hour?”“That’s  44  of your business．If you  45  know, I make $20 an hour．” the man said angrily．“Oh, ” the little boy replied, with his head down．Looking up, he said, “Daddy, may I please 46  $10?”     The father was  47  and shouted at him to go back to his room because he thought his son was so  48  .The little boy qu下列物质在空气中燃烧，发出淡蓝色火焰的是A.硫 B.木炭 C.红磷 D.铁丝