Учебное пособие предназначено для бакалавров всех специальностей и направлений подготовки радиотехнического факультета. В нем представлены материалы для аудиторной и самостоятельной работы

CANNOT You … without new scientific research.

3. 
   Some animal species can use and create tools.
   

ABLE Some animal species … create tools.

4. 
   A human being uses tools to create other more complex tools.
   

USED Tools are … to create other more complex tools.

5. 
   This computer is too old to be used for this purpose.
   

ENOUGH This computer is … used for this purpose.

6. 
   They made him design a new approach to the problem.
   

TO He … a new approach to the problem.

7. 
   His telephone wasn’t up-to-date enough to run this application.
   

OLD His telephone … to run this application.

8. 
   I think it’s interesting to invent new devices which can make our life easier.
   

INVENTING I think … which can make our life easier is interesting.

9. 
   Maintaining equipment regularly is important.
   

MAINTAIN It’s … regularly.


TASK 12. Listen to the recording and fill in the gaps.
ALEXANDER GRAHAM BELL
The 1) … of the telephone, Alexander Graham Bell, was born in Scotland, where he studied voice 2) … and hearing. He later moved to America, where he combined this work with an 3) … into the transmission of 4) … by electricity. Bell managed to transmit his voice 5) … in 1875, patenting his idea the next year. He formed the Bell Telephone Company in 1877, as part of a legal fight to protect his 6) …. He used some of the profits from his 7) … of the telephone to finance special schools for the deaf. Bell carried on inventing for the rest of his life, 8) … hydrofoils to make ships faster and kites capable of lifting people.