①气候变化     ②人类活动      ③地壳的变动    ④海平面的升降

   Many years ago there lived two brothers in London. They were both very rich. They had  1  ideas about money. They were quarrelling（争吵）about what would happen if a poor man could 2  a million pound note. One thought that anyone with such a note would have  3 he wanted; the other thought that it would be  4 for him to get anything with the note（钞票）.They couldn’t agree with each other. So they 5  to make a bet (打赌).
   It happened that a young man named Henry was wandering through the street that day, who had come to Britain only chance.  6 home and job, he looked pale（苍白的）and  7 . Suddenly he saw an apple  8  away by a child. The man was so hungry that he was thinking of picking it up to eat. Just as he was  9 out his hand, he heard a voice calling him. He looked up and saw the two  10. They gave him an envelope. They told him not to open it until two o’clock. They said, “Nothing but money in it.” Then they lef.