Установите последовательность предложений чтобы получился связный текст. Farm tractors may be divide...: ответ на тест 1072727 - Английский язык

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Farm tractors may be divided into two groups: wheeled and track-laying. 1_______.Standard wheeled tractors are used for general farm work and do not have the special features associated with row-crop tractors. 2_______.But in addition they are so specially designed for working on root.
Track-laying tractors have the great advantage that they can be used for heavy loads on almost any class of land. 3_______. But their greater initial cost and their maintenance may outweigh this advantage. The crawler is, however, the more efficient type of tractor. 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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Cow’s milk is about 38 % lactose or milk sugar. 1_______.Glucose and fructose are simple sugars found in many fruits and in honey. 2_______. Glucose is also made when starch is digested in the body and it is the chief form in which sugar is carried round the body as a sugar solution. Although sucrose is obtained from the stem of the sugar cane, much of it comes from the root of the sugar beet. 3_______.When it is digested, maltose turns to glucose, while sucrose turns to glucose and fructose. 4_______.

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The main purpose of soil preparation is to make a seedbed – that is, an area of soil in which seeds can be planted and in which they will take root and grow. Most farmers make the seedbed by a process called tillage. Tillage involves digging into the soil and mixing it. Tillage loosens the soil, kills weeds, and improves the circulation of the water and air in the soil. The chief tillage devices are ploughs. At ploughing time, most farm fields are scattered with dead stalk, leaves, and other plant wasters from the preceding crop. Other field may have a cover crop, such as alfalfa or grass. Plants wasted and cover crops help protect soil from erosion. They also enrich the soil with nutrients if they are ploughed under.
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Most farmers make the seedbed by a process called …

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Biological industry has produced various drugs and preparations promoting resistance of the animal body to harmful conditions of environment and accelerating growth of animals. The foremost attention is paid to the veterinary sanitation and hygiene because they are the foundation of human health, well-being of animals, good quality of animal production and high culture of cattle-breeding. The veterinarian must know the rules and regulations designed to conserve animal life and to safeguard the public health. International cooperation is significantly extended in the field of veterinary medicine.
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The veterinarian must know the rules and regulations designed to conserve …

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Most raw milk collected at farms is pumped from stainless steel tanks into tank trucks for delivery to processing plants. The truck drivers are required to check flavor, temperature, and volume of milk in the farm tank and to collect a sample of raw milk for analysis before pumping the milk into the truck. At the receiving station of the processing plant the milk in the farm truck is weighed and pumped into the plant through flexible plastic and stainless steel pipelines. The actual processing of raw milk begins with either separation or clarification. These machines are essentially similar except that in the clarifier the cream and skim milk fractions are not separated. Separators have two discharge pipes, one for cream and one for skim milk. Clarifiers have only one pipe for whole milk.
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In the clarifier the cream and skim milk fractions …