Иностранный язык (английский) – страница 22
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Alice: 1_______. What shape is it?
Paul: 2_______ it’s square. It has four right angles and four equal sides.
Alice: 3_______. It’s rectangular. Only two parallel sides are equal.
Paul: And the angles are right, aren’t they?
Alice: 4_______.
Alice: 1_______. What shape is it?
Paul: 2_______ it’s square. It has four right angles and four equal sides.
Alice: 3_______. It’s rectangular. Only two parallel sides are equal.
Paul: And the angles are right, aren’t they?
Alice: 4_______.
Словом, которое не относится к теме «Tableware», является …
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Moscow is _______ largest city in Russia.
Moscow is _______ largest city in Russia.
Формой притяжательного падежа подчеркнутого имени существительного my sisters – cat является …
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Iron does not always behave like a magnet and this is because its atoms are usually disorganized. A needle, for example, that contains iron is not a magnet but when you rub the needle with a magnet, its atoms line up and the needle becomes a magnet. The needle can then attract other metals. This property of some substances to attract metals is called magnetism.
Iron does not always behave like a magnet and this is because its atoms are usually disorganized. A needle, for example, that contains iron is not a magnet but when you rub the needle with a magnet, its atoms line up and the needle becomes a magnet. The needle can then attract other metals. This property of some substances to attract metals is called magnetism.
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Since the 1970’s eating habits in Britain have undergone a change. People have been encouraged by doctors, health experts and government advertisements to eat less fat and more fiber. Fat is believed to be one of the major causes of obesity and heart disease. Forty per cent of adults in Britain are overweight and Britain has one of the highest death rates due to cardiovascular disease in the world. British have also become more aware of calories, the energy value of food. Some people count the number of calories they eat every day, so that they can try to take in fewer calories and lose weight. Food manufactures have started to help the general public to make more informed choices about what they eat.
Since the 1970’s eating habits in Britain have undergone a change. People have been encouraged by doctors, health experts and government advertisements to eat less fat and more fiber. Fat is believed to be one of the major causes of obesity and heart disease. Forty per cent of adults in Britain are overweight and Britain has one of the highest death rates due to cardiovascular disease in the world. British have also become more aware of calories, the energy value of food. Some people count the number of calories they eat every day, so that they can try to take in fewer calories and lose weight. Food manufactures have started to help the general public to make more informed choices about what they eat.
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Soldering is recommended for making connections on electrical circuits, but it should never be used where strong joints are required. For permanent joints between two dissimilar materials like nylon and metal, it is advisable to use adhesives. For temporary jobs, like fitting a maintenance cover, screw-fastening should always be used. Riveting is recommended for permanent sheet-metal joints such as outer casing fitting. Although welding should always be used for steel support girders, brazing can be used for medium-sized joints where strength is required; for example the joint between the base and body of a hydraulic jack.
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Screw-fastening should always be used for …
Soldering is recommended for making connections on electrical circuits, but it should never be used where strong joints are required. For permanent joints between two dissimilar materials like nylon and metal, it is advisable to use adhesives. For temporary jobs, like fitting a maintenance cover, screw-fastening should always be used. Riveting is recommended for permanent sheet-metal joints such as outer casing fitting. Although welding should always be used for steel support girders, brazing can be used for medium-sized joints where strength is required; for example the joint between the base and body of a hydraulic jack.
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Screw-fastening should always be used for …
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This is the widest field of engineering, concerned with systems and devices that use 1_______ power and signals. Among the most 2_______ subjects in the field are electric power and machinery, electronic circuits, control systems, computer design, superconductors, solid-state electronics, robotics, lasers, 3_______, consumer electronics, and fibre optics.
Electrical engineering can be divided into four 4_______ branches: electric power and machinery, electronics, communications and control, and computers.
This is the widest field of engineering, concerned with systems and devices that use 1_______ power and signals. Among the most 2_______ subjects in the field are electric power and machinery, electronic circuits, control systems, computer design, superconductors, solid-state electronics, robotics, lasers, 3_______, consumer electronics, and fibre optics.
Electrical engineering can be divided into four 4_______ branches: electric power and machinery, electronics, communications and control, and computers.
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How the material to be shaped is called?
Machine-tools are used to shape metals and other materials. The material to be shaped is called the workpiece. Most machine-tools are now electrically driven. Machine-tools with electrical drive are faster and more accurate than hand tools: they were an important element in the development of mass-production processes, as they allowed individual parts to be made in large numbers so as to be interchangeable.
How the material to be shaped is called?
Machine-tools are used to shape metals and other materials. The material to be shaped is called the workpiece. Most machine-tools are now electrically driven. Machine-tools with electrical drive are faster and more accurate than hand tools: they were an important element in the development of mass-production processes, as they allowed individual parts to be made in large numbers so as to be interchangeable.
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1_______. He was the first to discover the law of dependence of the properties of the elements upon their atomic weights. 2_______. He published his famous “periodic classification” in 1869.
3_______. He predicted the existence of unknown elements which he called ekaboron, ekaaluminium and ekasilikon and for which he left gaps in his table. 4_______. The discovery of gallium in 1875 was followed by the discovery of scandium (ekaboron) in 1879 and the discovery of germanium (ekasilikon) in 1886. No gaps are left now for undiscovered elements.
1_______. He was the first to discover the law of dependence of the properties of the elements upon their atomic weights. 2_______. He published his famous “periodic classification” in 1869.
3_______. He predicted the existence of unknown elements which he called ekaboron, ekaaluminium and ekasilikon and for which he left gaps in his table. 4_______. The discovery of gallium in 1875 was followed by the discovery of scandium (ekaboron) in 1879 and the discovery of germanium (ekasilikon) in 1886. No gaps are left now for undiscovered elements.
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Water is not used in refrigerators. Why?
Water is not used in refrigerators because it evaporates too slowly. Ether, another refrigerant, is never used in domestic refrigerators since it is both poisonous and inflammable. However, it is sometimes used for industrial refrigeration because it evaporates very fast. Freon is usually used in domestic refrigerators as it evaporates fast, is non-toxic, and non-flammable.
Water is not used in refrigerators. Why?
Water is not used in refrigerators because it evaporates too slowly. Ether, another refrigerant, is never used in domestic refrigerators since it is both poisonous and inflammable. However, it is sometimes used for industrial refrigeration because it evaporates very fast. Freon is usually used in domestic refrigerators as it evaporates fast, is non-toxic, and non-flammable.
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The combinations of two or more different materials are called composite materials. They usually have unique mechanical and physical properties because they combine the best properties of different materials. For example, a fibre-glass reinforced plastic combines the high strength of thin glass fibres with the ductility and chemical resistance of plastic. Nowadays composites are being used for structures such as bridges, boat-building etc.
The combinations of two or more different materials are called composite materials. They usually have unique mechanical and physical properties because they combine the best properties of different materials. For example, a fibre-glass reinforced plastic combines the high strength of thin glass fibres with the ductility and chemical resistance of plastic. Nowadays composites are being used for structures such as bridges, boat-building etc.
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Dinner time is generally between six and eight p.m. The evening meal is the biggest and the main meal of the day. Very often the whole family eats 1_______. They begin with 2_______, followed by fish, roast chicken, potatoes and vegetables, fruit and coffee.
On Sundays many families have 3_______ lunch consisting of roast chicken, lamb or beef with salads, vegetables and gravy.
The British enjoy tasting delicious food from other countries, for example, French, Italian and Chinese food. Modern people are so busy that they do not have a lot of time for cooking 4_______. So, the British buy the food at the restaurant and bring it home already prepared to eat.
Dinner time is generally between six and eight p.m. The evening meal is the biggest and the main meal of the day. Very often the whole family eats 1_______. They begin with 2_______, followed by fish, roast chicken, potatoes and vegetables, fruit and coffee.
On Sundays many families have 3_______ lunch consisting of roast chicken, lamb or beef with salads, vegetables and gravy.
The British enjoy tasting delicious food from other countries, for example, French, Italian and Chinese food. Modern people are so busy that they do not have a lot of time for cooking 4_______. So, the British buy the food at the restaurant and bring it home already prepared to eat.
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The field of engineering has its subject the prevention of accidents. Safety engineers develop methods and procedures to safeguard workers of hazardous occupations. They also assist in designing machinery, factories, ships, and roads, suggesting alternations and improvements to reduce accidents.
The field of engineering has its subject the prevention of accidents. Safety engineers develop methods and procedures to safeguard workers of hazardous occupations. They also assist in designing machinery, factories, ships, and roads, suggesting alternations and improvements to reduce accidents.