Вопрос № 223757 - Английский язык

Выберите соответствия между английскими словами и выражениями и их русскими эквивалентами
1. requirement
2. specifications
3. performance
4. productivity

Выберите соответствия между английскими словами и выражениями и их русскими эквивалентами
1. carbohydrate
2. fibre
3. fat
4. protein

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It has been known for centuries that certain black, heavy stones have the property of attracting iron, this property being called magnetism. A body that exhibits magnetism is called a magnet. The two parts of a magnet that show the strongest magnetism are called the North pole and the South pole.

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An electric current is a flow of electricity. There are two kinds of electricity, positive and negative. Glass rubbed with silk is positively charged, ebonite rubbed with fur is negatively charged.
Like charges repel, unlike charges attract. The leaf electroscope is used to detect, distinguish and measure charges.
The ultimate particle of negative electricity is called the electron; that of positive is called the proton.

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In the space surrounding every magnet there exists what is called a magnetic field. When a strong magnet is brought close to a piece of sort iron, the iron takes on all the properties of a magnet. This phenomenon is called induction and it was discovered by Faraday.

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Any instrument for measuring electricity is known as an ammeter. An ammeter is used for measuring current in amperes. The abbreviation for the ampere is amp. there are very delicate ammeters that are used for measuring very small current. They are known as a milliammeter and a microammeter. The device for reading a thousands of an ampere is called a milliammeter while a microammeter is a device for reading a millionth of an ampere.