B. VOCABULARY AND GRAMMAR I. Choose the best answer A, B, C or D to complete the sentences. 1. Facebook was built on the of earlier social network sites like MySpace and Bebo. A. succeed B. successful C. successfully D. success 2. It is thought that driverless cars will transform the way we move cities in the future. A. around B. away C. along D. ahead 3. Little Pascal a mechanical calculator which could do additions or subtractions very quickly. A. discovered B. found C. found out D. invented 4. Robots save workers from dangerous tasks. A. making B. having C. performing D. carrying 5. Many people believe that robots have made workers jobless, that is not necessarily true. A. but B. and C. so D. or 6. Recent developments have made robots more user-friendly, and intelligent. A. science B. scientist C. scientific D. scientifically 7. Teenagers spend most of their time playing computer games; , they lose their interests in daily activities. A. moreover B. so C. however D. as a result 8. Science and technology have the life safe, secure and comfortable. A. transformed B. made C. done D. changed 9. Terrorists are using modern technology their destructive work. A. about B. at C. for D. with 10. With the advance of the science and technology, our life changes greatly in various . A. scenes B. fields C. sights D. regions