（2009·揭阳）小红在餐厅看到服务员用盖子熄灭酒精灯火锅，该灭火方法的主要原理是
| A．清除可燃物 | B．降低可燃物的着火点 |
| C．使可燃物的温度降到着火 | D．隔绝空气 |
（2009·北京）下图所示的一组实验可用于研究燃烧条件。下列说法中，正确的是
| A．此组实验烧杯中的热水只起提高温度的作用 |
| B．图1中水下白磷未燃烧是由于没有与氧气接触 |
| C．图1实验不能比较白磷和红磷的着火点高低 |
| D．若将图2中白磷换成红磷，也能观察到燃烧现象 |
A young man was getting ready to graduate from college. He had wanted a beautiful 1 in a dealer’s showroom, and knowing his father could well 2 it, he told him that was all he wanted.
As Graduation Day came near, the young man expected 3 that his father had bought the gift. 4 , on the morning of his graduation, his father called him into his own 5 . His father told him how proud he was to have such a fine son, and told him how much he loved him. He 6 his son a beautifully wrapped gift box. Curious, and somewhat 7 , the young man opened the box and found a lovely leather bound Bible，with the young man’s name written in gold. Angry, he 8 his voice to his father, and said, “With all your money you give me a Bible?” and 9 out of the house.
Many years passed and the young man was very 10 in business. He had a beautiful home and wonderful family, but 11 his father was very old, and thought perhaps he should go to see him. 12 he could make arrangements, he received a telegram 13 him his father had passed away and willed all of his 14 to his son. When he arrived at his father’s, sudden sadness and regret 15 his heart. He began to 16 his father’s important papers and saw the still new gift-wrapped Bible, just as he had 17 it years ago. With tears, he opened the Bible and began to turn the pages. His father had carefully 18 a verse(诗), Matthew 7-11,“And if you, being evil, know how to give good gifts to your children, how much more shall your Heavenly Father which is in Heaven, give to those who ask Him?”
As he read those words, a car key 19 from the back of the Bible. It had a tag(标签) with the dealer’s name, the same dealer who had the sports car he had desired. On the tag was the 20 of his graduation, and the words: PAID IN FULL.
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