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 lost 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 II. Put the verbs in brackets into the correct form. 1.If we (recycle) ________ more, we will help the Earth. 2. Factories (not dump) ______________waste into rivers if the government fine them heavily. 3. If people travel to work by bus, there (be) ______________fewer car fumes. 4. We (save) ________________thousands of trees if we don’t waste paper. 5. If we use water carefully, more people (have) ______________fresh water. 6. If the factory ( continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die. 7.If we recycle more, we (help) ________________ the Earth. 8. If people (travel)________________to work by bus, there will be fewer car fumes. 9. We will save thousands of trees if we (not waste)_______________ paper. 10. Factories won’t dump waste into rivers if the government ( fine) _______________ them heavily. giúp mik nhanh nhá mik cần gấp lắm