Прочитайте текст и найдите соответствующий перевод подчеркнутого слова We know that the semaphore us...: ответ на тест 223870 - Английский язык

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We know that the semaphore used to be the most common type of the signal. The relative position of the semaphore arm constituted the signal.
To indicate “stop” a horizontal arm was used. “Proceed” was indicated by a vertical arm. To give restrictive indications the arm was inclined up or down.

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We know that the semaphore used to be the most common type of the signal. The relative position of the semaphore arm constituted the signal.
To indicate “stop” a horizontal arm was used. “Proceed” was indicated by a vertical arm. To give restrictive indications the arm was inclined up or down.

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Isaac Newton (1642-1727). A passionately religious man in a time of great scientific discovery, Isaac Newton wanted to know how God’s universe worked. His quest for answers gave us the law of gravitation, calculus, a new theory of colour and light, and the three laws of motion that form the basis of modern mechanics. Brilliant and creative, the English physicist and mathematician synthesized the discoveries of Galileo, Kepler and others, formalizing and transforming physical science.

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Louis Paster (1822-1895). He was born practical problem-solver and theoretical genius. The French chemist discovered that heat would kill the unwanted micro- organisms that turned wine bitter. Soon the process of “pasteurization” was applied to many foods and drinks. Realizing that most diseases are caused by micro-organisms, he helped establish the germ theory. And using weakened microbes in vaccines to develop immunities, Paster saved countless lives and advanced the science of immunology.

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Omar Khayyam. When Malik Shah, the king of Persia, decided to make a new calendar for his people in the year 1079, he asked the famous mathematician and astronomer Omar Khayyam to help. Through careful mathematical calculations, Khayyam measured the length of the year as 365.24219858156 days. This was a very accurate measure. (We now know that a year is 365.242196 days.)

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Philip Emeagwali. Philip Emeagwali, a Nigerian, left school at fourteen because his family couldn’t afford to pay. He continued studying on his own. At seventeen, he passed an exam and was invited to study in the USA. In 1990, while studying, he used mathematics to predict the location of oil under the ground. He helped people in Nigeria find oil. And everyone knows that oil = money!