Federal Express is a private airline service which expands the Postal Service in the United States. It is the only U. S. airline specializing in the transportation of small packages-35 kilos or less.

　　Federal Express links 130 major U.S. cities and 10,000 surrounding communities. An urgent package picked up in one part of the country this afternoon can be delivered to any other part of the country tomorrow morning. All of the Federal Express jets fly into the International Airport at Memphis, Tennessee, because it is located in the center of the United States.

　　The sorting facility for Federal Express is called "The Hub". Every night, from about 12 midnight to 3 a. m. , the packages are gathered and sorted into shipments for specific destinations. The main labor force is comprised of students working part-time.

　　Since Federal Express started business in 1971, it has flown millions of air kilometers without fail. In the space of one hour, 39 jets will take off to destinations all across the United States.

　　Questions 17 to 20 are based on the passage yon have just heard.

　　17. What makes the Federal Express so unique in the U.S. airline service business?

　　18. How many major U.S. cities does Federal Express link?

　　19. Why do all of the Federal Express jets fly into the International Airport at Memphis, Tennessee?

　　20. Who comprises the main labour force of Federal Express?

　　注：1. Federal Express 聯邦快遞

　　2. urgent package 快件

　　[P40-One]

　　11. A) Because they can't afford to.

　　B) Because they think small houses are more comfortable to live in.

　　C) Because big houses are usually built in the countryside.

　　D) Because they prefer apartments.

　　12. A) Because many young people have moved into comfortable apartments.

　　B) Because many old houses in the bad part of the town are not inhabited.

　　C) Because many older people sell their houses after their children leave.

　　D) Because many people have quit their old house to build new ones.

　　13. A) They have to do their own maintenance.

　　B) They have to furnish their own houses.

　　C) They will find it difficult to make the rest of the payment.

　　D) They will find it difficult to dispose of their old-style furniture.