U.S. airlines almost doubled during the 1980s from 5.7 billion to 10.6 billion ton -miles in 4. Major airports provide a wide range of facilities for the convenience of travelers range from such basic services as ticket-sales counters and restaurants to luxury shopping centers and play areas for children. International airports must also have customs areas and currency-exchange counters and so on Question 13-16 For questions 13-16, choose the correct title for each paragraph from the box below. For each paragraph 1-4 mark one letterA--G on your answer sheet 13. Paragraph I AAirpomldstserauses 14. Paragraph 2 b training of Pilots 15. Paragraph 3 c Beginning Period 16. Paragraph 4 D Rapid growth in the U. s E Development F Competition G Airplanes Question 17-20 Using the information in the text, complete each sentence 17-20, with a phrase from the list below a-g For each sentence 17-20 mark one letter A-G on your Answer sheet DO not mark any letter twice. 17. Air transport companies use different planes 18. The United States was the country where 19. The forty years from the 1930s to the 1970s was an important period 20. Nowadays airports provide all kinds of services A in the development of air transportation B the earliest passenger flights were successfully operated C to mark travel easy and pleasant for the D to provide different services e the shortage of qualified pilots F traveling by air was very cheap G traveling by air was safe Question 21-35 ◆ Read this article.U.S. airlines almost doubled during the 1980s, from 5.7 billion to 10.6 billion ton-miles in 1990. 4. Major airports provide a wide range of facilities for the convenience of travelers. These range from such basic services as ticket-sales counters and restaurants to luxury hotels, shopping centers and play areas for children. International airports must also have customs areas and currency-exchange counters and so on. Question 13 - 16  For questions 13 - 16, choose the correct title for each paragraph from the box below.  For each paragraph 1 - 4 mark one letter A—G on your answer sheet. 13. Paragraph 1 ………………………………….. A Airport Services 14. Paragraph 2…………………………………..... 15. Paragraph 3………………………………........ 16. Paragraph 4……………………………………. Question 17 - 20  Using the information in the text, complete each sentence 17 - 20,with a phrase from the list below A - G.  For each sentence 17 - 20 mark one letter A - G on your Answer sheet.  DO not mark any letter twice. 17. Air transport companies use different planes . 18. The United States was the country where . 19. The forty years from the 1930s to the 1970s was an important period 20. Nowadays airports provide all kinds of services A in the development of air transportation B the earliest passenger flights were successfully operated C to mark travel easy and pleasant for the passengers’ D to provide different services E the shortage of qualified pilots F traveling by air was very cheap G traveling by air was safe Part Four Question 21 - 35  Read this article. A Airport services B training of Pilots C Beginning Period D Rapid Growth in the U.S. E Development F Competition G Airplanes