题目

在北京举行的第22届冬奥会彰显了“科技冬奥”理念。下列说法正确的是（） A . 速滑馆“冰丝带”内，CO2制冰过程的碳排放趋近于零 B . “有舵雪橇”中用到的碳纤维是一种有机高分子材料 C . 利用紫外杀菌技术对手机进行消毒，是为了使蛋白质盐析 D . “黑科技”防疫神器“刷芯无线电子体温计”中不含金属元素短文填空。         An eight-year-old child heard her parents talking about her  little brother. All she knew was that he was very sick and they had no money. Only a very  (1) e        operation could save him now but there was no one to lend them the money.      When she  (2) h         her daddy saying to her tearful mother, "Only a miracle  (奇迹) can save him now," the little girl went to her bedroom, took out her money and counted it (3) c         .     She hurried to a drugstore (4) w       the money in her hand.     "What do you want?" asked  the salesman. "It's for my  little brother," the girl answered. "He's really, really  (5) s       and I want to buy a miracle." "Pardon? " said the salesman.     "My brother Andrew has something bad (6)       g inside his head and my daddy says only a miracle can save him. So how much does a miracle cost?" "We don't sell a miracle here, child.  I'm sorry,"  the salesman said with a smile.     "Listen,  if  it  isn't  (7) e       ,  I can  try and get some more. Just tell me how much it costs."      A well-kind man heard it and (8) a        , "What kind of miracle does your brother need?"     "An operation!" she answered with her eyes full of  (9 t         . " But my daddy can't afford  it, so  I have brought all my money."     "How much do you have?" asked the man. "$1.11, but I will do my (10) b       to make more," she answered.     "Well, what a good piece of advice you have!" (11) s        the man. "$ 1.11,  the price of a miracle  for your little brother."     He  took up  the girl's hand and said, "Would you mind  taking me  to your house?  I want  to see your brother and your parents. Let's see if I have the kind of miracle you need."     That well-dressed man was Carlton Armstrong, a  (12) f        businessman. The operation was successful. And  it wasn't  long before Andrew was well again.