Определите является ли утверждение: The ceiling bolts often loosen.: ответ на тест 306333 - Английский язык

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A ceiling can be a simple, level plane. Or it can be two or more sloping planes. It should be noted that these planes correspond to the form of the roof construction above.
The ceiling surface is an important functional component in any room. It can have a luminous surface or a richly ornamented and decorated surface. It is of importance to note that it should be constructed in such a way as to help control the spread of light and sound about the room. One more important feature of the ceiling surface is its resistance to the spread of fire.

Прочитайте текст и выберите утверждение, соответствующее содержанию текста
A ceiling can be a simple, level plane. Or it can be two or more sloping planes. It should be noted that these planes correspond to the form of the roof construction above.
The ceiling surface is an important functional component in any room. It can have a luminous surface or a richly ornamented and decorated surface. It is of importance to note that it should be constructed in such a way as to help control the spread of light and sound about the room. One more important feature of the ceiling surface is its resistance to the spread of fire.

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Optoelectronics are high developed in the UK.

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The preventive measures were taken to treat waterborne diseases.

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Acid rains fall in Europe more often than in the rest part of the world.

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Losses due to heating can occur in any system.