Расположите пропущенные предложения в таком порядке чтобы получился связный текст. Cement is the mos...: ответ на тест 1046218 - Английский язык

Расположите пропущенные предложения в таком порядке, чтобы получился связный текст.
Cement is the most important component of concrete. 1_______. Concrete may be considered an artificial conglomerate of “crushed stone, gravel or similar inert material with a mortar”. A mortar is a mixture of sand, screenings or similar inert particles with cement and water. 2_______. The most accurate method of measuring proportions is to weigh the required quantities of each material. This may be done whether the proportions are based upon volumes or weights. 3_______. It is also widely used in large building constructions. 4_______.

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Concrete is the name of artificial stone. The materials from which concrete is formed are sand, pieces of broken stone and cement mixed with water in suitable proportions. These materials are called ingredients of concrete. The sand and broken stone form the skeleton of concrete. Dry cement is an inert powder, but on the addition of water a chemical reaction takes place.
This causes the whole mix to set and harden forming a solid mix.
Water used in concrete mix is ordinary drinking water. It must be free from any impurities. The amount of water added influences the properties of concrete. Concrete products must be manufactured according with existing standards. Having chosen component materials builders must be well familiar with technology of concrete and use them in correct proportions.
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Which materials form the skeleton of concrete?

Расположите пропущенные предложения в таком порядке, чтобы получился связный текст.
New developments of architects are known today. 1_______. Young architects from the architectural department of the Rhode Island School of Design have designed tomorrow’s houses. 2_______. The system is based on cast plastic bubbles linked together. It permits the creation of almost any size and shape of such a house. 3_______. This house has features associating more and more with modern living. 4_______. At the same time it also tends to add outdoor space to the indoors and increases the feeling of speciousness.

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Boxes – that’s what a good deal of modern architecture reminds me of. 1_______. A man who lives in one of these boxes works in another big box, high up in the air. If he falls ill, he goes to another big box called a hospital.
I began this letter by saying that many modern buildings, especially the blocks of flats and business offices, were like big boxes. 2_______. An architect today has to be an engineer too. 3_______. They save plenty of unnecessary work. 4_______.

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Nowadays a building’s framework is made of reinforced concrete and of structural steel. Concrete is made by mixing together small stones, sand, cement and water. The coarse stones used in the mix give the concrete its strength. The sand is needed to fill the gaps between the stones. The cement, mixed with just enough water to make it into a paste, covers the surface of all solids, and binds the entire mixture into single mass. It is used less water to make mixing concrete denser and stronger. It is a difficulty here. Dry mixing concrete is not so easy to stir as one that is fairly wet and sloppy. When it is really strong concrete, it is mixed with the necessary minimum of water and placed in the forms. After this it is vibrated with electrically vibrated bars. The mixture is tipped or piped into forms (wooden mold) of the shape required.
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The sand is needed …

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Architects have done some very good work in designing new schools. Many of these are prefabricated, which means that as much of the building work as possible is done not on the building site, but in factories where mass production methods can be used. The parts are taken to a site and put together there. Children who attend the best of these new schools are very happy. Their classrooms are light and big, and they have a fine large assembly hall. The children have dinner at school, and there is a dining-hall completed with modern kitchen.
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The parts are taken to a site and …