Переведите предложения с причастиями на русский язык, определите форму причастия:
1. At present people have cable TV, a system using wires for transmitting images, pictures and sound. 2. We use computers performing billions of operations a second. 3. Having graduated from University, he worked there as a lecturer. 4. Being developed in the last century this technology helps to solve a lot of existing problems. 5. Newton’s great scientific work published in 1687 was of great importance for the development of science. 6. New computerized systems help monitor processes in industry. 7. The engine tested showed that it needed further improvement. 8. We need highly developed electronics and new materials for our research. 9. The student controlling the work of a relay doesn’t follow safety rules. 10. The researchers tackling the energy problems haven’t reached a compromise yet.