Electricity. Exercise 1.
Ответьте на вопросы, используя слова и словосочетания в скобках.
1. What is electricity? (a source of electric power used in everyday life and industry) 2. What are the sources of electricity? (batteries, generators, electric motors and many other devices) 3. What properties of electricity have made it widely used? (electrostatics and electromagnetism) 4. What are the advantages of electricity? (clearness, easy regulation, no byproducts, low cost, improved service) 5. What are home uses of electricity? (lighting, heating, various time and labour saving appliances, radio, television, video and many others) 6. What are the latest industrial applications of electricity? (lasers and electronic devices).