Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 26 to 33 with the exact words you have just heard. For blanks numbered from 34 to 36 you are required to fill in the missing information~ For these blanks, you can either use the exact words you have just heard or write down the main points in your own words~ Finally, when the passage is read for the third time, you should check what you have written. More and more of the world’s population are living in towns or cities~ The speed at which cities are growing in the less developed countries is 1 .Between 1920 and 1960, big cities in developed countries 2 two and a half times in size, but in other parts of the world the growth was eight times their size. The 3 size of growth is bad enough, but there are now very 4 signs of trouble in the 5 of percentages of people living in towns and percentages of people working in industry. During the 19th century, cities grew as a result of the growth of industry. In Europe, the 6 of people living in cities was always smaller than that of the 7 working in factories.Now, however, the 8 is almost always true in the newly industrialized world. 9 Without a base of people working in industry, these cities cannot pay for their growth; 10 .There has been little opportunity to build water supplies or other facilities. 11 .a growth in the number of hopeless and despairing parents and starving children.