Упражнение 4
- He doesn’t think about his future work, does he?
- All the problems having been solved, they went home.
- An interesting research in the field of electronics is being done at our Institute.
- What is she doing this week?
- What is peculiar about the upper atmosphere of the earth?
- Mathematics is more important for technical students than many other subjects.
- Modern computers can multiply two numbers in a microsecond.
- Our task is to study well.
- Semiconductors are shown to be good detectors of radio waves.
- The basic ingredients of a communications model include a source, encoder, message, channel, decoder, receiver, feedback and noise.
- The idea to use this substance is not new.
- The new devices have a number of advantages over the old ones.
- The temperature of a conductor being raised, the motion of the electrons in the conductor increases.
- The universities are large centres of education, aren’t they?
- Who was the first to invent the electric lamp?
- Which part of the concert did you like most?
- The whole structure of the information industry remains unchanged.
- What did electronics produce?
- Did you answer the questions really well?
- Yesterday the students of our group came to help me with mathematics.
- When making the experiment he made notes.
- What must Mike do to support his views?
- We shall have completed our experiments by the end of the week.
- Popov has become the inventor of the radio, May 7 being celebrated each year as "Radio Day" in the Soviet Union.
- They couldn't have at least paid the postage.
- The company shouldn't waste any more time on this project.
- Some day atomic energy might have been used to control the weather of the world.
- Don't light the lamps.
- He knew that no one could help him.
- She asked when the new programme would start.
- I know my parents would be glad to see you.
- After Hertz had published his experiments proving the existence of electromagnetic waves, A.S. Popov thought of a possibility of using Hertz waves for transmitting signals over a distance.
- For an electrician the most important question is whether a solid is a conductor of electricity or not.
- Why this is so remains a matter of dispute.
- Circuits that can perform this logical operation and similar ones have been built and tested.
- A material which allows electricity to flow through it is called a conductor.
- A transistor is a small electronic device whose function is the same as that of an electronic tube.
- As it was very late, everybody went home.
- The lower the price, the less likely it is that new firms will attempt to enter the market.
- If sound could propagate in interplanetary space it would cover this distance in 14 years.
- Provided all of the requirements were met, the efficiency of the apparatus would be increased.
- Although the existence of computer was a reality, only in 1970s have we got a microprocessor.
- It was not until mid-90ies that some progress was observed.
- It is these facts that drew our special attention.
- Atomic energy finds such wide and varied application in our life that our age might be called the age of atom.