Вопрос № 126047 - Английский язык

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1. I came _____ Australia.
2. He is sitting _____ the tree.
3. The school year begins _____ September.
4. She stopped _____ the door.

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The 1______ year begins in September and ends on the first of July. It is divided into two 2______. During the year students 3______ lectures and classes and do laboratory work. At the end of each term they take their tests and 4______.

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I am going to work in the _____________ of atomic energy.

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Don't argue with her, you ______ respect her age.

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Louis Pasteur was born in 1822. He was a prominent French chemist, one of the founders of modern microbiology.
His research work helped much to establish the field of bacteriology. In his early years Pasteur devoted his energies to the discovery of microorganisms in wine and beer production. He introduced the idea of heat sterilization (pasteurization) for these products and milk too.
In later life he became interested in hydrophobia. Working in this field he developed the principle that viral pathogenic properties could be attenuated by passing the virus through the body of a proper animal. On the basis of these observations he developed a vaccine for hydrophobia.
Continuing his investigation L. Pasteur discovered the method to prevent some infectious diseases by introducing attenuated causative agents. This method is known as vaccination. It has helped to fight against many infectious diseases.
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In later life he became interested in _______.

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The quality of concrete is known to depend on the properties of materials it consists of. The amount of constructing materials is also of great importance. Among the kinds of concrete used in modern construction there are plain concrete and reinforced, or ferro-concrete. The usage of plain concrete is practically limitless. As to ferro-concrete, it is mostly used for construction of foundations, columns, girders and beams. This kind of concrete is also rather popular for constructing bridges, dams and dock walls.
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The usage of what construction material is practically limitless?