Прочитайте текст. This tank has two pipes and a cover. The tank is made of plastic. The cover is mad...: ответ на тест 911497 - Английский язык

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Paul: Look. There is a box of nuts and 1_______. They are made of steel.
Julia: And that wire is made of copper, isn’t it?
Michael: Yes, it is. What about this 2_______? Is it made of copper too?
Paul: No, it is not. It is made of 3_______ and steel. The handle is made of wood and the head is made of steel.
Julia: Michael, give me that beaker, please.
Michael: Be careful, Julia. Don’t drop it. It is made of 4_______. Put it here on this shelf.

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Paul: Look. There is a box of nuts and 1_______. They are made of steel.
Julia: And that wire is made of copper, isn’t it?
Michael: Yes, it is. What about this 2_______? Is it made of copper too?
Paul: No, it is not. It is made of 3_______ and steel. The handle is made of wood and the head is made of steel.
Julia: Michael, give me that beaker, please.
Michael: Be careful, Julia. Don’t drop it. It is made of 4_______. Put it here on this shelf.

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Pipes are made of three main materials:
1) Metal. This is the strongest material, but it is also the heaviest, and the most rigid. It is also the most expensive of the three materials.
2) Rubber. This is the most flexible of three materials. But it is the weakest.
3) Plastic. This is the lightest material. It is also the least expensive of the three.
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Metal is …

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Robert Stephenson, the son of George Stephenson was a British civil engineer. He is mostly well-known for the construction of several notable bridges.
He was born in 1803. He was educated in Newcastle and at the University of Edinburgh. In 1829 he assisted his father in constructing a locomotive known as the Rocket, and four years later he was appointed construction engineer of the Birmingham and London Railway, completed in 1838.
Stephenson built several famous bridges, including the Victoria Bridge in England, the Britannia Bridge in Wales, two bridges across the Nile in Egypt and the Victoria Bridge in Montreal, Canada.
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Robert Stephenson is mostly well-known for the construction of …

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Numerals are signs or symbols for graphic representation of numbers. The earliest forms of numerical notation were simply groups of straight lines, either vertical or horizontal, each line corresponding to the number 1. Such a system was inconvenient when dealing with large numbers.
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Numerals are …

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Ductility is the ability of a material to deform without breaking. One of the great advantages of metals is their ability to be formed into the shape that is needed, such as car body parts. Materials that are not ductile are brittle. Ductile materials can absorb energy by deformation but brittle materials cannot.
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Ductility is the ability of a material to …