Вопрос № 911497 - Английский язык

Дополните диалог:
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.

Дополните диалог:
Alice: Paul, take that pipe, 1_______. It is rather light.
Paul: 2 _______! It is very light. What material is it made of?
Alice: It is made of plastic.
Paul: 3_______?
Alice: Well, it is a rigid material, but it is less flexible than rubber. 4_______, it is the lightest and the least expensive material.

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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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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 …

Заполните пропуски в инструкции следующими словами:
1) 1_______ the concrete well before you use it.
2) Don’t open the tin until you’ve 2_______ it.
3) You should not plaster the wall until you’ve installed the 3_______.
4) Ladders made of 4_______ must never be used near electrical wires.