ответьте на во к тексту.
1. When did the primitive lamp disappear?
2. What was in fact the first searchlight?
3. Who was the first to discover the electric arc?
4. Why did his discovery remain unknown in the West?
5. What was the subject of Yablochkov's report to the Paris Academy in 1876?
6. Who made the first successful incandescent lamp?
7. Can you explain the difference between his lamp and Edison's one?
8. What kind of filament is used nowadays?
9. What achievement was based on the research of S. Vavilov?
10. What are advantages of the artificial daylight lamps?

1. Nobody thought that the book would be so popular with the reader.
2. Which of you went to school at the age of six?
3. They are making noise.
4. The newspapers and magazines we got yesterday were on the table.
5. While doing exercise five I made a few mistakes. 
6. Have you heard the latest news?
7. She has been interested in  History since her childhood.
8. The child was grateful to me because I didn’t say who had broken the cup.
9. Christmas is my favourite holiday.
10. Water is precious in this area and must be paid for.

1) It's rather controvertial question. All people are different: some can not imagine their life without a music beat and other can easily live in a complete silence. 
2) Yes, I do.
3) Yes, we have a music lesson at school.
4) Music teachers tell pupils everything about music. 
5) Every peson is interescted in music somehow.
6) Music is an art form, social activity or cultural activity whose medium is sound and silence.
7) I do to the concert hall.
8) Yes, it's obviously is. 
9) There is no genre that is an obvious favorite. Tastes deffer.
10) I like to listen to (вставь жанр музыки)