Вопрос № 45162 - Английский язык

Заполните пропуск. The Great Wall of China is a long way _______ any major city.

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The Great Wall of China is so large that the men who landed on the moon could see it. It is the largest 1 _______ in the world.
It begins at Shanhaikun on the Yellow Sea and ends at Chaiyukan in the Gobi Desert. It is almost three thousand kilometers long. It is not only a wall, it has many thousands of 2 _______.
The Chinese people started building walls as early as 600 BC to keep out their enemies. However, it was the first emperor of China, Ch’in Shih Hwang-ti, who started the great Wall in about 214 BC. We get the word ‘China’ from his name.
Chinese workers built some of the Great Wall while Ch’in Shih Hwang-ti was emperor, bur most of it was 3 _______ much later, between 202 BC and 220 AD, and between 581 AD and 618 AD. After this time, no more work was done on the wall for hundreds of years, and much of it became broken. Then in the 15th century, the first of the Ming emperors started 4 _______ another wall near the first one. It is this wall that thousands of tourists visit every year.

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A time-management consultant helps people to organize their work in a(n) _______ way.

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Barter markets are the survival of primitive economies.

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You should eat more, _______ you’ll make yourself ill.

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Plastic Materials
1. Plastic materials are not found in nature. Plastic is formed by extrusion or injection molding under very high pressure. It can be molded into any desired shape. Organic plastics are divided into two general groups: thermosetting and thermoplastic. The thermosetting group becomes rigid through a chemical change that occurs when heat is applied. These plastics cannot be remolded. The thermoplastic group remains soft at high temperatures and must be cooled before becoming rigid. This group is not used generally as a structural material.
2. Plastics are rapidly becoming important construction materials because of their great variety, strength, durability and lightness. Plastics are light. The benefits of light weight coupled with good strength and absence of corrosion offer tremendous potential as alternatives to traditional building materials. A given volume of polythene weights less than one-eighth of an equal volume of iron and less than half of the same volume of aluminum.
3. Plastics are used in the industry and in the household: from rockets and electronics to toys and house ware. Plastic products offer many advantages over the materials they replace, such as ease of handling, lower maintenance costs and rapidity of assembly. The insulation and dielectric properties of plastics led to their early use in the electrical engineering industry, which was followed by special application in mechanical engineering.
4. Using of plastics as materials for a construction in the form of sheets, rods or tubes is substituting the conventional metals. Plastics offer a lot of properties for the designs. Plastics have now been developed to such an extent that they can be applied to almost every branch of building, from the laying of foundations to the final coat of paint.
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