Прочитайте текст и заполните пропуски подходящими по смыслу словами. Scientists have recently come t...: ответ на тест 911703 - Английский язык

Прочитайте текст и заполните пропуски подходящими по смыслу словами.
In explaining the watery solution of sugar, it has been stated that the 1_______ of such solutions divides the sugar into particles, called 2_______, so small that they cannot be seen with the naked eye. These molecules are distinguished by the great speed at which they 3________. Molecules, which are found in all substances, travel fastest in gases, less rapidly in 4_______, and very slowly in solids.

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In explaining the watery solution of sugar, it has been stated that the 1_______ of such solutions divides the sugar into particles, called 2_______, so small that they cannot be seen with the naked eye. These molecules are distinguished by the great speed at which they 3________. Molecules, which are found in all substances, travel fastest in gases, less rapidly in 4_______, and very slowly in solids.

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What is a crystal? A crystal is a 1_______ solid made by a natural process. Many substances absorb water from solutions when they crystallize; that is, they unite chemically with a definite proportion of 2_______. The water with which any substance unites during the process of crystallization is called the water of crystallization.
Certain 3_______ substances, for example, washing soda, give up their water of crystallization when they are exposed air; they are then reduced to 4_______. Substances that have this property are called efflorescent, and the process is called efflorescence.

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The story of the 1_______ of electricity is connected with the name of Thales, the Greek philosopher. The story goes that one day Thales rubbed a piece of amber against his sleeve and found to his great surprise that it 2_______ small bits of dried leaves. After further experimenting he concluded that this attractive 3_______ was a property that amber alone possessed. He called this characteristic “electricity” because the Greek word for amber was 4_______.

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Most people describe water as a 1_______ liquid. They know that in very cold conditions it becomes a solid called 2_______, and heated on a fire becomes a vapour called steam. But water, they say, is a liquid. Now we know that water consists of molecules composed of two 3_______ of hydrogen and one atom of oxygen, which we describe by the formula H2O. This is equally true of the solid called the ice and the gas called steam. Chemically there is no difference between the gas, the liquid, and the solid, all made up of 4_______ with the formula H2O.

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How is a body that exhibits magnetism called?
It has been known for centuries that certain black, heavy stones have the property of attracting iron, this property being called magnetism. A body that exhibits magnetism is called a magnet. The two parts of a magnet that show the strongest magnetism are called the North pole and the South pole. Magnets not only affect ordinary iron, but they affect one another. When a pole of one magnet is brought towards a pole of the second magnet, they will repel if both are north poles or both are south poles, but they will attract if one is a north pole and the other a south pole.