Прочитайте текст и заполните пропуски подходящими по смыслу словами The range of radio 1____________...: ответ на тест 606830 - Английский язык

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The range of radio 1______________ in space is extending more and more. There is every reason to believe that radio links may be set over 2________________ of 100 million kilometers or even more.
Now we cannot imagine our life without electronics.
But it all began with the 3_______________ of radio. It was our Russian scientist A.S. Popov who discovered the principles of 4________________ communication that finally led to the development of electronic tubes for use in various communication devices.

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The range of radio 1______________ in space is extending more and more. There is every reason to believe that radio links may be set over 2________________ of 100 million kilometers or even more.
Now we cannot imagine our life without electronics.
But it all began with the 3_______________ of radio. It was our Russian scientist A.S. Popov who discovered the principles of 4________________ communication that finally led to the development of electronic tubes for use in various communication devices.

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1______________ is the technology of constructing electronic circuits and devices in extremely small packages by various techniques. This 2_______________ is also referred to as microminiaturization.
The increasing complexity of electronic systems over the past 30 years has made the evolution of microelectronics inevitable. During this 3_______________, the electron tubes in the early electronic systems have been replaced by solid-state discrete devices and integrated circuitry; and these, in turn, 4_____________ way to medium- and large-scale integrated circuitry.

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Microelectronics today encompasses thin-film, thick-film, hybrid, and integrated circuit technology. These approaches (and combinations of them) are being applied in . 1________________ branch of electronics.
Integrated 2____________ that combine all the 3__________________ of a complete electronic circuit on a single chip of silicon can be produced. The implications of this in the microelectronic evolution are easily 4_______________. Let us compare a conventional J/K flip-flop circuit incorporating solid-state discrete devices and the same type of circuit employing integrated circuitry.

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Electronics is one of the main 1_____________, which forms the 2_______________ basis for using these new methods. Electronics studies the problems connected with the application of instruments and 3_____________, the action of which is based on the utilization of various phenomena that result from the movement of 4______________ through vacuum, gases and solid bodies.

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Electronic computers are widely used in 1_______________ research аnd industrial designing. Huge radio-telescopes, 2_____________ with sensitive instruments and powerful
amplifiers enable man 3_______________ an insight into the remotest corners of space, discover 4_________________ and puzzling phenomena of nature.