阅读理解。 A king gave his daughter a beautiful necklace. However , the necklace was stolen. So the kingtold his people to look for it and said that he would give $ 50,000 to anyone who found it. One day, a man was walking along a dirty river. Suddenly , he saw the shining necklace in the river. He decided to pick it up so that he could get the $ 50,000. He put his hand into the dirty river, but anyhow he couldn't get the necklace. He looked again and the necklace was still there. He tried again. This time he walked into the river and put his whole arm in to pick it up. But he still missed the necklace. Then again,he saw that the necklace was still right there. So he became very angry. Just then, a boy saw him and asked him what was the matter. The man didn't tell the boy, thinking that the boy might take the necklace for himself. The boy could see that this man was in trouble. So he asked the man again and said that the would not tell anyone about it. Thinking for a few minutes, the man decided to trust the boy. After telling the boy what he was doing, the boy said, 'Maybe you should try looking up into the tree.'The man looked up and saw that the necklace was shining in the tree. 1. What happened to the necklace? A. It was broken. B. It was stolen. C. It was dirty. D. It was lent to the boy. 2. How did the man feel when he saw the necklace was still in the river after trying two times to get it? A. He felt proud. B. He felt happy. C. He felt frightened. D. He felt angry. 3. Why didn't the man tell the boy his trouble at first? A. Because he didn't know the boy. B. Because he haven't seen the boy before. C. Because he thought the boy might take the necklace for himself. D. Because the boy was the owner of the necklace. 4. Where did the man find the necklace at last? A. In the dirty river. B. In the tree. C. In the boy's hand. D. In the boy's house. 5. The writer wants to tell us that ______. A. the necklace is very expensive B. we shouldn 't put the necklace into the river C. trusting others sometimes brings us good luck D. we should never trust others because they can bring us bad luck