Прочитайте текст и заполните пропуски подходящими по смыслу словами Plant culture began a great many...: ответ на тест 781896 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами
Plant culture began a great many years ago. The most 1_______ plants in the world are said to have been grown 4,000 years ago.
There 2_______ very many species of plants. But the best known to most people are those that are useful to men. They are grown and cultivated by 3_______ and are called farm crops. These crops are used for many different purposes.
Some are used directly by man, some are consumed by animals, and others are used in industry and 4_______. We can certainly expect new uses to be found and the value of other plants to be discovered.

Прочитайте текст и заполните пропуски подходящими по смыслу словами
Plant culture began a great many years ago. The most 1_______ plants in the world are said to have been grown 4,000 years ago.
There 2_______ very many species of plants. But the best known to most people are those that are useful to men. They are grown and cultivated by 3_______ and are called farm crops. These crops are used for many different purposes.
Some are used directly by man, some are consumed by animals, and others are used in industry and 4_______. We can certainly expect new uses to be found and the value of other plants to be discovered.

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Every green plant is a ‘factory’. It’s a sugar ‘factory’. It works from early day to dark every day, even on Sunday.
The 1_______ must have two things for making sugar: water and carbon dioxide. Carbon dioxide comes from the air. It is one of the gases the air is made of. Water comes from the 2_______.
As soon as 3_______ from the ground gets to a leaf it goes all over the leaf. Water and carbon dioxide are put together to make sugar. Most factories run on electricity. The green factories run on sunshine.
After the plant has made 4_______, it makes the other kinds of food it needs.
Without green plants there wouldn’t be any sugar or any other food for men and animals. Green plants are the world’s most important ‘factories’.

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The digestive 1_______ consists of the mouth, the gullet, the stomach, the small intestine, and the large intestine. The mucous membrane of the 2_______ tract has glands in it. They secrete digestive fluids. 3_______ and sheep have much more complicated digestive tracts than other animals. Their 4_______ consist of four compartments. The horse, the pig and some other animals have a simple stomach. It consists of only one compartment.

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It is a cattle-breeding farm situated in the central 1_______ of our country. As one approaches the farm, forest gradually gives way to open countryside. One can see large fields and meadows of the farm. The 2_______ breeds different kinds of animals, the cattle being the leading type there. All the animals belong to high-productive breeds.
Most of the 3_______ of the farm is under the pastures. The main pasture grasses are alfalfa and clover. Cattle are pastured only in summer. In winter they are kept in cattle-sheds and fed with high-quality corn and grass 4_______ and legume hay. During the winter period breeders must pay great attention to the quality of the feed.

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1_______ is very important for farm animals. The necessary amount of water being unavailable, the cattle may be in poor condition. The 2_______ of water required by livestock depends on the nature of the feed, the size and the activity of the animal and the season. Milk containing about 87 per cent of water, dairy cows must 3_______ large quantities of water for the production of milk. A high-yielding 4_______ is given 8-10 gallons of water per day.