Подберите соответствующие местоимения 1. There was _____ traffic so the journey didn’t take very lon...: ответ на тест 98360 - Английский язык

Подберите соответствующие местоимения
1. There was _____ traffic, so the journey didn’t take very long.
2. It was so cold that _____ people came.
3. How _____ students were there at the lecture?
4. He didn’t spend _____ money on this experiment.

Подберите соответствующие местоимения
1. There was _____ traffic, so the journey didn’t take very long.
2. It was so cold that _____ people came.
3. How _____ students were there at the lecture?
4. He didn’t spend _____ money on this experiment.

Выберите нужную ответную фразу
1. Stay and have a cup of tea with us.
2. Good-bye. Remember me to your family.
3. Thank you, you’ve been most helpful.
4. I’ll do everything you asked me.

Словом (или выражением), которое не относится к теме «Types of Computer Memory», является …

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Radio waves
1. Radio waves were first predicted by mathematical work done in 1865 by James Clerk Maxwell. Maxwell noticed wavelike properties of light and similarities in electrical and magnetic observations. He then proposed equations that described light waves and radio waves as waves of electromagnetism that travel in space. In 1887, Heinrich Hertz demonstrated the reality of Maxwell's electromagnetic waves by experimentally generating radio waves in his laboratory. Many inventions followed, making practical the use of radio waves to transfer information through space.
2. The study of electromagnetic phenomena such as reflection, refraction, polarization, diffraction and absorption is of critical importance in the study of how radio waves move in free space and over the surface of the Earth. Different frequencies experience different combinations of these phenomena in the Earth's atmosphere, making certain radio bands more useful for specific purposes than others.
3. In order to receive radio signals, for instance from AM/FM radio stations, a radio antenna must be used. However, since the antenna will pick up thousands of radio signals at a time, a radio tuner is necessary to tune in to a particular frequency (or frequency range). This is typically done via a resonator (in its simplest form, a circuit with a capacitor and an inductor). The resonator is configured to resonate at a particular frequency (or frequency band), thus amplifying sine waves at that radio frequency, while ignoring other sine waves. Usually, either the inductor or the capacitor of the resonator is adjustable, allowing the user to change the frequency at which it resonates.
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Greek materialist philosophers considered that all ________ should be explained by natural causes.