Прочитайте текст и выполните задания. James Watt 1. James Watt was a Scottish inventor and mechanica...: ответ на тест 1088116 - Английский язык

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James Watt
1. James Watt was a Scottish inventor and mechanical engineer whose improvements to the Newcomen steam engine were fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.
2. While working as an instrument maker at the University of Glasgow, Watt became interested in the technology of steam engines. He realized that contemporary engine designs wasted a great deal of energy by repeatedly cooling and re-heating the cylinder. Watt introduced a design enhancement, the separate condenser, which avoided this waste of energy and radically improved the power, efficiency, and cost-effectiveness of steam engines. Eventually he adapted his engine to produce rotary motion, greatly broadening its use beyond pumping water.
3. Watt attempted to commercialize his invention, but experienced great financial difficulties until he entered a partnership with Matthew Boulton in 1775. The new firm of Boulton and Watt was eventually highly successful and Watt became a wealthy man. In his retirement, Watt continued to develop new inventions though none were as significant as his steam engine work.
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James Watt
1. James Watt was a Scottish inventor and mechanical engineer whose improvements to the Newcomen steam engine were fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.
2. While working as an instrument maker at the University of Glasgow, Watt became interested in the technology of steam engines. He realized that contemporary engine designs wasted a great deal of energy by repeatedly cooling and re-heating the cylinder. Watt introduced a design enhancement, the separate condenser, which avoided this waste of energy and radically improved the power, efficiency, and cost-effectiveness of steam engines. Eventually he adapted his engine to produce rotary motion, greatly broadening its use beyond pumping water.
3. Watt attempted to commercialize his invention, but experienced great financial difficulties until he entered a partnership with Matthew Boulton in 1775. The new firm of Boulton and Watt was eventually highly successful and Watt became a wealthy man. In his retirement, Watt continued to develop new inventions though none were as significant as his steam engine work.
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James Watt enhanced the Newcomen’s steam engine design …

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A rover
1. A rover is a space exploration vehicle designed to move across the surface of a planet or other celestial body. Some rovers have been designed to transport members of a human spaceflight crew; others have been partially or fully autonomous robots. Rovers usually arrive at the planetary surface on a lander-style spacecraft.
2. Rovers have several advantages over stationary landers: they examine more territory and they can be directed to interesting features. If they are solar powered, they can place themselves in sunny positions to weather winter months. They can also advance the knowledge of how to perform very remote robotic vehicle control which is necessarily semi-autonomous due to the finite speed of light.
3. Their advantages over orbiting spacecraft are that they can make observations to a microscopic level and can conduct physical experimentation. Disadvantages of rovers compared to orbiters are the higher chance of failure, due to landing and other risks.
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Twilight
1. Twilight is the illumination that is produced by sunlight scattering in the upper atmosphere, illuminating the lower atmosphere when the Sun itself is not directly visible because it is below the horizon, so that the surface of the Earth is neither completely lit nor completely dark.
2. The further the Sun is below the horizon, the dimmer the twilight (other things such as atmospheric conditions being equal). When the Sun reaches 18 degrees below the horizon, twilight’s brightness is nearly zero. Evening twilight ends and night begins. When the Sun again reaches 18 degrees below the horizon, night ends and morning twilight begins.
3. Twilight is defined according to the solar elevation angle, which is the position of the geometric center of the sun relative to the horizon. There are three established and widely accepted subcategories of twilight: civil twilight (brightest), nautical twilight («first light»), and astronomical twilight (darkest).
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Market Economies
1. In a true market economy the government plays no role in the management of the economy, the government does not intervene in it. The system is based on private enterprise with private ownership of the means of production and private supplies of capital, which can be defined as surplus income available for investment in new business activities. Workers are paid wages by employers according to how skilled they are and how many firms wish to employ them. They spend their wages on the products and services they need. Consumers are willing to spend more on products and services, which are favoured. Firms producing these goods will make more profits and this will persuade more firms to produce these particular goods rather than less favoured ones.
2. Thus, in a market economy consumers decide what is to be produced. Consumers will be willing to pay high prices for products they particularly desire. Firms, which are privately owned, see the opportunity of increased profits and produce the new fashionable and favoured products.
3. Such a system is, at first view, very attractive. The economy adjusts automatically to meet changing demands. No planners have to be employed, which allows more resources to be available for production. Firms tend to be highly competitive in such an environment. New advanced products and low prices are good ways to increase sales and profits. Since all firms are privately owned they try to make the largest profits possible.
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Neoclassical Economics
1. The most remarkable feature of neoclassical economics is that it reduces many broad categories of market phenomena to considerations of individual choice and, in this way, suggests that the science of economics can be firmly grounded on the basic individual act of subjectively choosing among alternatives.
2. Neoclassical economics began with the so-called marginalist revolution in value theory that emerged toward the end of the nineteenth century. Strictly speaking, neoclassical economics is not a school of thought (in the sense of a well-defined group of economists following a single great master) but more a loose amalgam of subschools of thought, each revolving around such acknowledged masters as Alfred Marshall in England, Leon Walras in France, and Carl Menger in Austria.
3. In England there was established the Cambridge school – a variant of neoclassical economics that stressed continuity with the past achievements of the classical school. In France, the general equilibrium school was founded in 1874. This subschool investigated the mathematical conditions under which all markets could be in equilibrium simultaneously. The Austrian subschool focused on the essential problems of economic organization.
4. What these subschools have in common is the importance they attach to explaining the coordinating features of market processes in terms of plans and subjective evaluations carried out by individuals in the market subject to the constraints of technological knowledge, social custom and practice, and scarcity of resources.
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