Robert wanted to do well in his exams．He spent all his free time studying．He wanted to be a scientist when he grew up．Unluckily,this meant that he was almost always serious．Although he was young，he didn't relax and enjoy himself．

    Robert's first important exam was coming soon．He had spent almost all the week preparing for it．He had got little sleep and felt very tired．However,Robert thought that he was ready for the exam．"I worked harder than anyone else．I'm▲ I will get a good mark，"he thought during the breakfast．

    After breakfast．he started to feel a little ill．He also had a little headache and found it difficult to concentrate (专心)．But he refused(拒绝)to believe that he'd fail (不及格)the exam．Robert arrived at the school hall and took his chair．He noticed how relaxed and happy his friends looked．

    "They are just under prepared(准备不充分的)，"he thought as the exam began．

    Unluckily,Robert wasn't able to finish his exam．Twenty minutes after the exam started，he felt very hot and uncomfortable．He then slumped(瘫倒)in his chair,and one of his friends called for help．His teacher took him to the school hospital at once．In the hospital，the doctor told him that he was too tired to finish the exam．

He spent the lunch break in the nurse's office．

    He spent the lunch break in the nurse's office.He looked outside and watched his friends.They were playing happily．Robert decided that from then on,he wouldn'-t take it all so seriously．

    "A balanced (平衡的)life is more important．I guess I know what to do next time，"he thought．

根据材料内容选择最佳答案。

    Last Sunday afternoon, I was having dinner in a restaurant when my friend Poor came in. Poor is working in a bank and is quite rich, but he is always borrowing money from his friends and never pays it back. Poor saw me and came to sit at my table. He had never borrowed any money from me. When he was eating, I asked him to lend me two dollars. To my surprise, he gave me the money at once.“I have never borrowed any money from you,”Poor said,“So you can pay for my dinner.”

    Mr. Brown got up late this morning. He was going to be late for work. It was raining hard and the streets were wet. He drove so fast that he didn't see the red lights. He couldn't stop his car and hit a car. An old man got out of the car and called out angrily, "What are you doing? How can you drive so fast? "

    "I'm sorry, sir," said Mr. Brown, "I didn't see the lights turn red." Then he brought out a bottle of wine and gave it to the old man.

    "It's cold today, sir," said Mr. Brown. "Please drink a little, and then you'll get warm."

    The old man drank some wine and became happy. He asked, "I'm feeling much better now.

    Why don't you drink any? "

    "I can't drink anything now, sir," answered Mr. Brown, "I'm waiting for the policeman. Only drunkards（酒鬼）make accidents（交通事故）, you know! "

A Trip to the Forest

    One day Bob took two of his friends into the mountains. They put up their tents and then rode off to a forest to see how the trees were growing.

    In the afternoon when they were about ten kilometers from their camp（营地）, it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp?

    Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house? That would be a trip of thirty-five kilometers in such cold weather!

    It was getting late. They rode on and on. At last the horses stopped. Where were they?

    None of them could tell. John looked around. What was that under the tree? It was one of their tents!