Вопрос № 911499 - Английский язык

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Robert Stephenson, the son of George Stephenson was a British 1_______ engineer. He is mostly well-known for the construction of several notable 2_______.
He was born in 1803. He was educated in Newcastle and at the University of Edinburgh. In 1829 he assisted his father in 3_______ a locomotive known as the Rocket, and four years later he was appointed construction engineer of the Birmingham and London 4_______, 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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George Stephenson was a British inventor and engineer. He is famous for building the first practical railway locomotive.
Stephenson was born in 1781 in England. During his youth he worked as a fireman and later as an engineer in the coal mines of Newcastle. He invented one of the first miner’s safety lamps independently of the British inventor Humphrey Davy. Stephenson’s early locomotives were used to carry loads in coal mines, and in 1823 he established a factory at Newcastle for their manufacture. In 1829 he designed a locomotive known as the Rocket, which could carry both loads and passengers at a greater speed than any locomotive at that time. The success of the Rocket was the beginning of the construction of locomotives and laying the railway lines.

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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.

Заполните пропуски в инструкции следующими словами:
1) Don’t use 1_______ which are cracked.
2) 2_______ that are bent should not be used.
3) Burnt wires must be 3_______.
4) You 4_______ clean your tools before you use them.

Заполните пропуски в инструкции следующими словами:
1) 1_______! There are bricks on the shelf.
2) Don’t 2_______ that wood. There’s a nail in it.
3) Don’t hammer that 3_______. It’s bent.
4) Don’t pull that board. There are 4_______ on it.