Прочитайте текст и найдите соответствующий перевод подчеркнутого слова. Bacteria unlike higher organ...: ответ на тест 1105339 - Английский язык

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Bacteria, unlike higher organisms, consist of a single cell only. Some of the bacteria possess thread-like appendices, so-called cilia, for purpose of locomotion. These cilia are fixed either at one end of the cell or are arranged over the whole surface of the cell. The size of the cells is microscopic. The pathogen is thus visible with the aid of microscope only. Bacteria multiply by simple fission. Bacteria diseases are usually caused by the penetration of bacteria into injured plant parts. By excreting certain chemical agents bacteria break up cell unions, loosen them or kill part of the cells.

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The rest you see – all one billion of them – are bacteria. Oldest of life-forms (for two billion years the only life on earth), they are structurally the simplest, lacking the cell nucleus found in other microbes. Most reproduce by fission. Bacteria are the planet’s most abundant, most varied, most versatile, and most useful organisms – and among its most deadly.
These microbes dwell among us – and within us – in astronomical numbers.
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How do most bacteria multiply?

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When America was discovered by white man, the Indians were collecting the juice of the hard maple, thus making maple syrup. 1_______.The production of maple syrup has been an industry since in the regions where hard maples are common, principally the northeastern United States.
2_______. By additional heating at about 120 C, a flavor can be developed. 3_______. Maple sugar is sucrose of about 90-95 % purity. 4_______.

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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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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 …