1. The role of inventions

2. in the life of mankind

3. The purpose of our lesson

4. The role of inventions Pronouncing and free speaking English Presentation work Discussing and improving oral language Lexical and grammatical exercises Relaxing (pause) Plan Listening Results

5. What you don’t see with your eyes, you don’t invent with your mouth Necessity is the mother of invention Our inventions are wont to be pretty toys which distract our attention from serious things All of the biggest technological inventions created by man says little about his intelligence laziness Doubt is the father of invention Galileo Galilei Jonathan Swift Mark Kennedy Henry David Thoreau

6. The role of inventions

7. a. a peripheral which produces a hard copy of documents stored in electronic form b. a machine that manipulates data according to a set of instructions c. a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image The role of inventions A computer A keyboard A processor A printer A scanner A monitor d. a device that accepts text and graphic output from a computer and transfers the information to paper e. a device that displays video and graphics information generated by the computer through the video card f. system that translates or converts different data formats

8. Table of Participle forms Participle formsActive VoicePassive Voice Presentspeakingbeing spoken Past–spoken Perfecthaving spokenhaving been spoken

9. You can buy a clock But not time

10. You can buy a house But not home

11. You can buy a position But not respect

12. You can buy a bed But not sleep

13. You can buy a book But not knowledge

14. You can buy medicine But not health

15. Homework

16. The role of inventions in the life of mankind