Прочитайте текст Aluminium water oxygen and carbon dioxide are substances. Some substances are eleme...: ответ на тест 607552 - Английский язык

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Aluminium, water, oxygen, and carbon dioxide are substances. Some substances are elements and some substances are compounds. Elements have only one type of atom whereas compounds have more than one type.
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How many types of atom do elements have?

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Aluminium, water, oxygen, and carbon dioxide are substances. Some substances are elements and some substances are compounds. Elements have only one type of atom whereas compounds have more than one type.
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How many types of atom do elements have?

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Boats on canal go through locks to move up or down from one level to another. The locks have large lock gates to let the boats in and out. They also have smaller sluice gates; these open and close to control the water level. The scale on the side shows the depth of the water in metres.
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What does the scale on the side of the lock show?

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Engineering is putting knowledge of Nature to practical use. The end result of engineering is some physical thing: a machine, a tool, a gadget. Engineering is solving problems. It’s convenient to discuss engineering projects within the framework of five steps for solving problems: define the problem, identify possible solutions, select a solution, implement the solution, verify the solution.
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What is the end result of engineering?

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Mrs. Sara Winchester of San Jose, California, was a very strange woman who built one of the world’s most unusual houses. When she died in 1922, aged 85, she was living alone in a house that had more than 150 rooms and covered an area of land greater than 2,5 hectares.
Mrs. Winchester’s problem was that she believed that if she stopped adding rooms to her house, she would die. Therefore, she employed workmen to keep on building and was happy only when she heard the sound of building. The house, when she bought it in 1884, was quite small, but 38 years later it was huge.
When she bought it, the house had two floors. By the time she died, it had eight. It had three lifts, 48 fireplaces and nine kitchens – none of which was ever used. In total, there were 2,000 doors and 10,000 windows. There were also miles of secret passages and tunnels that no one, not even Mrs. Winchester, knew how to get in to or out of.
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What was Mrs. Winchester’s problem?

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Vernal is a small town in Utah, USA. In 1916 the owners of the bank in Vernal wanted a new building. They wanted the new bank to be made of bricks. However, the bricks came from a town that was very far away, and the brick makers wanted a lot of money to bring the bricks to Vernal.
The owners of the bank did not have enough money, so they found another way of getting the bricks to the town. They asked the brick makers to put them in the post. However, they could only post ten bricks at a time. There were too many packages for the postman in Vernal to take to the bank, and soon the post building was full of bricks. To help the postman, people in the town agreed to collect the bricks and take them to the new bank.
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What way of getting the bricks to the town did the owners of the bank find?