Вопрос № 850531 - Английский язык

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Ultra-violet rays are familiar to most people as the particular art of sunlight that is "health-giving".
The effect of the ultra-violet rays is to produce in the skin the vitamin that is important for the promotion of bone-growth.
The use of these rays in diagnosis is a powerful weapon of medicine.
One of the most valuable uses of ultra-violet rays in industry is the testing of the quality of certain goods.

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Radio waves, light, X-rays, and some cosmic rays — they all belong to the same family. They travel at the velocity of light.
The wave has both electric and magnetic components which are bound together. At the end of its travel the wave gives up energy. The ether waves are those we know as wireless waves.
When the waves are too long they are "seen" as infra-red, when they are too short they are "seen" as ultra-violet. Shorter than thе ultra-violet are X-rays and far shorter than the shortest of these  are the  "gamma"  rays,  and  finally the cosmic rays.

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We can divide all metals into ferrous and non-ferrous. Steel and cast iron are in the group of ferrous metals. They are alloys of iron with carbon, manganese, silicon and other components.
Non-ferrous metals are metals and alloys the main component of which is not iron but some other element such as aluminium, copper and others. Some of the characteristics of non-ferrous metals are high electric and heat conductivity, high corrosion resistance, light weight and easiness of fabrication.

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Procedural law deals with methods of enforcing legal rights and duties. Laws, which specify how and when police can make arrests and what procedures can be used in a trial are procedural laws. In contrast, substantive law defines rights and duties; it is concerned with all rules of conduct except those involved in enforcement.

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It is very useful to 1_____________ foreign languages. Knowledge of foreign 2____________ helps us to develop friendship and understanding among people.
English is very popular now. It’s the language of computers, science, 3_____________, sport and politics. It’s spoken all over the world. It is the official language of the United Kingdom, Ireland, the United States of America, Canada, and Australia. There are more than 750 million speakers of English in the 4______________.

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Constitutions are the supreme sources of 1__________. The federal Constitution of the USA is said to be «the 2__________ law of the land». This means that any state law - including a part of a state constitution - is void to the extent that it 3_________ with the federal Constitution.
The Supreme Court of the United 4__________ is the final interpreter of the federal Constitution and each state supreme court is the final authority on the meaning of its state constitution.