Вопрос № 781263 - Английский язык

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The most famous British public schools are _____.

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The most famous British public schools include _____.

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The system of education in Britain is divided into three stages: _____.

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The conventional circuit would require approximately 40 separate discrete 1___________, 200 connections, 40 hermetic seals, and 300 2_____________ processing operations with each operation, seal, and connection representing a possible source of failure. However, if all the elements of this circuit 3_______________ upon one chip of silicon, the number of connection drops to about 14. All circuit elements are interconnected inside the package by a process known as vapour metallization; instead of 40 hermetic seals there is one, and the three 4_______________ processing operations are reduced to approximately 30.

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Laser is an extremely 1 _______________ device. It is nothing more than a cylinder of synthetic ruby about 1/4 2 _____________ in diameter and 1 1/2 inches long mounted in the centre of a spiral coil of glass. The coil is a xenon-filled flash 3_____________ very much like the ones 4_______________ by photographers for taking flash pictures.

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When a number of 1_______________ are hooked up in series so that the output of one serves as the input to the next amplifier stage, the function of the early stages is usually  2______________  the voltage to a high 3_______________, while the last stage builds up the power to a level sufficient to operate an output device. Audio amplifiers amplify electrical ac signals that have a frequency range corresponding to the range of human hearing, or from about 20 to 15,000 cycles per 4________________.