What helped Edison shape his life?
III. , .
1. Thomas Alva Edison belongs to the worlds great contributors to industrial development.
2. The need to earn money did not prevent him from self-educating.
3. Reading and inquisitive mind helped Edison to educate himself.
4. Still in his twenties Edison earned enough money to form his own factory of invention.
5. One of the books became his handbook for making experiments.
VI. ? .
1. Why did Edison go to school for only three months?
2. Who is the author of the book that taught him to experiment?
3. Where did Edison make experiments when he worked as a sales boy on a train?
4. What invention did he earn $40,000 for?
5. How did the American government appreciate Edisons contribution to the progress of mankind?
V. 2, 3 4 .
5
A
, , .
filament, device, to solve, to invent, engineering, to create, lighting, to turn into, advantage, to devote to, to consist of, to serve, instead of, hard, numerous, to satisfy, to perfect, to increase, to support, to consider, to exist, tungsten, to introduce, still, by means of, service, to resign, doubt, close, to achieve, to connect.
I. , .
| 1. | metal filament lamp | a) b) |
| 2. | laboratory device | a) b) |
| 3. | technical problems solving | a) b) |
| 4. | a means of electric lighting | a) b) |
II. , .
5. To make a suitable lamp was an extremely difficult thing.
a) problem b) filament c) tungsten
6. All newspapers published articles discussing the great .
a) invention b) engineering c) service
7. Incandescent lamps of older types had carbon filaments in different ways.
a) considered b) introduced c) produced
8. These facts are connected with the history of electrical .
a) advantage b) engineering c) application
9. Lodygin was very young when he his flying machine.
a) designed b) resigned c) increased
III. , .
10. A.N. Lodygin is a well-known Russian scientist and inventor.
a) talented b) famous c) great
11. The source of light invented by the Russian scientist won world-wide recognition.
|
|
|
a) created b) studied c) demonstrated
12. Lodygin constructed a lamp which could burn for two hours.
a) perfected b) laid c) made
13. In 1872 Lodygin constructed a number of incandescent lamps.
a) several b) lots of c) many
14. Lodygin spent all money he had in his numerous experiments.
a) a few b) many c) few
IV. . .
| 15. | Lodygin laid the foundation | a | use tungsten for filaments. |
| 16. | The incandescent lamp is the source | b | used for lamp filaments. |
| 17. | Lodygin was the first to | c | for producing modern lamps. |
| 18. | Edison solved the problem | d | of the electric light. |
| 19. | Tungsten is now mostly | e | of cheap electric lighting. |
, , . ion, -ly, -ment, -ance/ence, -er/or.
I. ion, -ment, -ance, -ful, -less, -ly, -al, . .
| 1. | create | 5. | doubt |
| 2. | close | 6. | connect |
| 3. | achieve | 7. | practice |
| 4. | success | 8. | import |
