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20.01.2020 14:52

Английский язык

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Преобразуйте следующие предложения действительного залога в страдательный по образцу: people widely use electronic devices – electronic devices are widely used by people. 1. electronic devices control the work of power stations. 2. they calculate the trajectories of spaceships. 3. people discover new phenomena of nature due to electronic devices. 4. scientists designed a variety of tubes for specialized functions. 5. american scientists invented the transistor in 1948. 6. integrated circuits greatly reduced the size of devices. 7. new types of integrated circuits increased packing density. 8. electronics has extended man's intellectual power. 9. scientists are looking for new ways for the improvement of integrated circuits technology. 10. jack kilby developed the concept of integrating device and built the first 1с in 1958.