Установите последовательность предложений чтобы получился связный текст. There are no records of whe...: ответ на тест 1072270 - Английский язык

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There are no records of when or where bread originated. It is certain, however, that the known history of bread is longer than the history of any other food. 1_______. Although the history of bread is nearly as old as the history of mankind, the basic formulation has changed little. 2_______. In very early times grain was pounded and consumed as a watery paste. During the Stone Age grain was crushed between stones and gave a crude flour. 3_______. The result – a rather hard bread – was very different from the loaf we know today. 4_______.

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1_______. It was founded in 1753 on the collections of Sir Hans Sloane. 2_______. Today the museum has two departments – the Museum of Mankind and the Natural History Museum. 3_______. It includes marbles from the Parthenon, the Rosetta Stone that provided the key to Egyptian hieroglyphics, ancient works of art in stone, bronze and gold, a collection illustrating Western Asiatic civilizations. The Natural History Museum contains five principal collections on the history of plants, minerals and the animal kingdom. 4_______.

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The basic ingredients used in breadmaking are flour, water or milk, salt, yeast and sugar. 1_______. Flour is the principal constituent. 2_______. Strong flour yields a dough containing sufficient gluten to permit the good expansion of the dough caused by the formation of carbon dioxide. 3_______. Yeast is a monocellular organism which grows by the process of budding. The amount of yeast used varies greatly depending upon the time allowed for fermentation. A larger proportion of yeast shortens the fermentation period. The liquid may be milk or water. 4_______.

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Tractors occupy an important place on the farm as a source of power. On many farms they, together with trucks or trailers, have entirely displaced horses for farm work. An advantage of tractors power over the horse is that tractor can be used continuously for heavy work. In addition to pulling implements like ploughs and cultivators, a tractor may be used with implements for bush-cleaning, ditch-filling and land-leveling. Small tractors from 1 to 10 horse-power, fitted with single-or twin cylinder petrol engines, may be used for garden and orchard work.
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On many farms tractors have entirely displaced …

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Many different groups of organisms attack plants parasitically. Nematode worms of microscopic size often invade plants, and living parasitically therein, cause serious disease in roots, tubers, bulbs, stems, and leaves. Highly infectious diseases of the virus type are now recognized to be among the most serious that affect plants; they are often transmitted by insects. The fungi include an immense number of forms parasitic on plants which are often extremely injurious. The diseases most to be feared are those which are epidemic in character, i.e. those which develop almost simultaneously and universally throughout a crop.
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Highly infectious diseases of the virus type are often transmitted …

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A decisive factor for securing yields is the protection of agricultural crops. Day by day cultivated plants and supplies in store rooms are threatened by thousands of pests and disease pathogens. Every year millions of tons of produce are lost and plants and animals are retarded in growth and development or the products derived from these organisms are affected both quantitatively and qualitatively. Control of these pests must become the greatest task for all scientists, technical engineers and farmers responsible for the production of agricultural products.
What is meant by a pest or a disease pathogen? They are animal or plant organisms which damage either cultivated plants or the products derived there from. They directly or indirectly influence the health of a man and domestic and useful animals.
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Control of the pests must become the greatest task for all scientists, technical engineers and farmers responsible for …