he went to see Sam less and less. He made new friends. From then on, he didn't go to visit Sam any more. Sam didn't have any family or friends. He felt very sad.

　　Things went from bad to worse. Sam died a year later. When Jason came, Mr. Lee gave a letter to him. It was from Sam. In the letter Sam said，"Dear Jason, I am disabled. But I want you to be a healthy man. So I gave my eyes to you so that you can enjoy life as a healthy man. Now you have new friends. I'm glad to see that you are as healthy as usual. I'm glad you live a happy life. You are always my best friend...Sam". When he finished reading the letter, Mr. Lee said, "I've promised that I will keep this secret until Sam is gone. Now you know it." Jason stood there. Tears ran down his face.

4. The reason why Sam thanked Mr. Lee was that ．

　A. Mr. Lee was very kind and friendly to him

　B. Mr. Lee came to see him early in the morning

　C. Mr. Lee did the operation according to his wish

　D. Mr. Lee saved both his and Jason's lives

5. Which of the following happened according to the order of time?

　a. Jason made new friends.

　b. Sam gave his eyes to Jason.

　c. Sam and Jason were caught in a car accident.

　d. Sam was disabled and needed friends.

　e. Sam died and Jason knew the truth.

　A. d，a，c，b，e　 B. d，c，b，e，a

　C. c，b，d，a，e D. c，d，b，e，a

6. We can infer (推断)from the passage that ．

　A. Sam drove too badly and caused the car accident

　B. the unsuccessful operation led to Sam's blindness

　C. Jason knew how Sam helped him before Sam died

　D. it was Jason that became blind in the car accident

　　C

　　A student is learning to speak British English. He wonders(想知道): Can I communicate(交际) with Americans? Can they understand me? Learners of English often ask: What are the differences between British and American English? How important are these differences?

Certainly, there are some differences between British and American English. There are a few differences in grammar. For example, speakers of British English say