Тема Ознакомительное чтение с целью определения истинности утверждения
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Gifted education
1. Gifted education (also known as Gifted and Talented Education (GATE), Talented and Gifted (TAG), is a broad term for special practices, procedures and theories used in the education of children who have been identified as gifted or talented. There is no standard global definition of what a gifted student is.
2. Appropriateness of forms of gifted education is the most hotly debated aspect among educators. Some people believe that gifted education resources lack availability and flexibility. They feel that in the alternate methods of gifted education, the gifted students "miss out" on having a "normal" childhood, at least insofar as "normal childhood" is defined as attending school in a mixed-ability classroom. Others believe that gifted education allows gifted students to interact with peers that are on their level, be adequately challenged, and leaves them better equipped to take on the challenges of life.
3. While giftedness is seen as an academic advantage, psychologically it can pose other challenges for the gifted individual. A person who is intellectually advanced may or may not be advanced in other areas. Each individual student needs to be evaluated for physical, social, and emotional skills without the traditional prejudices which prescribe either "compensatory" weaknesses or "matching" advancement in these areas. A person with significant academic talents often finds it difficult to fit in with schoolmates. These pressures often wane during adulthood, but they can leave a significant negative impact on emotional development.
4. Social pressures can cause children to "play down" their intelligence in an effort to blend in with other students. "Playing down" is seen somewhat more frequently in socially acute adolescents. This behavior is usually discouraged by educators when they recognize it. Unfortunately, the very educators who want these children to challenge themselves and to embrace their gifts and talents are often the same people who are forced to discourage them in a mixed-ability classroom, through mechanisms like refusing to call on the talented student in class so that typical students have an opportunity to participate.
(Encyclopedia Wikipedia)
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Professional titles
1. Although many kinds of people working in or studying legal affairs are called lawyers, the word really describes a person who has the right to act in certain legal matters. Most countries have different groups of lawyers who each take a particular kind of examination in order to qualify to do particular jobs. In Japan, a lawyer must decide whether he wants to take the examination to become an attorney, a public prosecutor or a judge.
2. In England, the decision is between becoming a barrister or a solicitor. Barristers specialize in arguing cases in front of a judge and have the right to be heard, the right of audience, even in the highest courts. They are not paid directly by clients, but are employed by solicitors. Judges are usually chosen from the most senior barristers, when they are appointed they cannot continue to practice as barristers.
3. Solicitors do much of the preparation for cases which they then hand to barristers, as well as doing legal work which does not come before a court, such as drawing up wills, and dealing with litigation which is settled out of court. Solicitors also have a right of audience in lower courts, but in higher courts, such as the Court of Appeal, they must have a barrister argue their client's case.
4. In general, it can be said that a barrister spends most of his time either in a courtroom or preparing his arguments for the court and a solicit spends most of his time in an office giving advice to clients, making investigations and preparing documents. Many people believe that distinction between barristers and solicitors should be eliminated in England.
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Pricing Methods
1. Price is a very important weapon that can be used to persuade consumers to buy. Price is one of many factors that determine the demand for a product. What are the most common pricing methods adopted by firms?
2. Cost-plus pricing is a very simple pricing method and is perhaps the most common. A firm may calculate its average costs of producing a product and simply add a profit «mark up», say 10 %, on to average costs. This mark-up could be changed to allow for the effects of competition and economic conditions, e.g. where there is a lot of competition this mark-up may be lowered or when business is good the mark-up could be raised.
3. Marginal-cost pricing differs from the above in that the firm looks not at its average costs but marginal costs, i.e. the firm calculates the additional cost of producing the next unit or set of units of output and the firm charges a price (plus a ‘mark-up’) according to the marginal cost. A typical example is found in the shoe repair business. There appear to be no standard prices for repairing shoes. What tends to happen is that the cobbler examines the shoes and makes a quick estimate of how much material and time it will take to repair them. Larger shoes, those made of leather and those in greater disrepair have a higher marginal cost and therefore a higher price is charged for their repair.
4. Price discrimination: several firms are able to charge different prices for a similar product. This is known as price discrimination. British Rail (BR), for example, charges different consumers such as businessmen and women, children, senior citizens and students different prices and also charges different prices according to the time of journey, e.g. peak, off-peak, weekly and week-end.
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Flicker
1. The first requirement to be met in image analysis is that the reproduced picture shall not flicker, since flicker induces severe visual fatigue. Flicker becomes more evident as the brightness of the picture increases. If flicker is to be unobjectionable at brightness suitable for home viewing during daylight as well as evening hours, the successive illuminations of the picture screen should occur no fewer than 50 times per second. This is approximately twice the rate of picture repetition needed for smooth reproduction of motion. To avoid flicker, therefore, twice as much channel space is needed as would suffice to depict motion.
2. The same disparity occurs in motion picture practice, in which satisfactory performance with respect to flicker requires twice as much film as is necessary for smooth simulation of motion. A way around this difficulty has been found, in motion pictures as well as in television, by projecting each picture twice. In motion pictures, the projector interposes a shutter briefly between film and lens while a single frame of the film is being projected.
3. In television, each image is analyzed and synthesized in two sets of spaced lines, one of which fits successively within the spaces of the other. Thus the picture area is illuminated twice during each complete picture transmission, although each line in the image is present only once during that time. This technique is feasible because the eye is comparatively insensitive to flicker when the variation of light is confined to a small part of the field of view.
4. It is thus possible to avoid flicker and simulate rapid motion by a picture rate of about 25 per second, with two screen illuminations per picture. The precise value of the picture-repetition rate used in a given region has been chosen by reference to the electric power frequency that predominates in the region.
(Encyclopedia Britannica)
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Early Modernism
1. With the Industrial Revolution, the availability of newly-available building materials such as iron, steel, and sheet glass drove the invention of new building techniques. In 1796, Shrewsbury mill owner Charles Bage first used his ‘fireproof’ design, which relied on cast iron and brick with flag stone floors. Such construction greatly strengthened the structure of mills, which enabled them to accommodate much bigger machines. Due to poor knowledge of iron's properties as a construction material, a number of early mills collapsed. It was not until the early 1830s that Eaton Hodgkinson introduced the section beam, leading to widespread use of iron construction.
2. This kind of austere industrial architecture utterly transformed the landscape of northern Britain, leading to the description of places like Manchester and parts of West Yorkshire as “Dark satanic mills”. The Crystal Palace by Joseph Paxton at the Great Exhibition of 1851 was an early example of iron and glass construction, followed in 1864 by the first glass and metal curtain wall. A further development was that of the steel-framed skyscraper in Chicago around 1890 by William Le Baron Jenney and Louis Sullivan.
3. Around 1900 a number of architects and designers around the world began developing new solutions to integrate traditional precedents (classicism or Gothic, for instance) with new technological possibilities. The work of Louis Sullivan and Frank Lloyd Wright in Chicago, Victor Horta in Brussels, Antoni Gaudi in Barcelona, and Charles Rennie Mackintosh in Glasgow, among many others, can be seen as a common struggle between old and new. The work of some of these were a part of what is broadly categorized as Art Nouveau ("New Art").
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Competition and Market Conditions
1. Competition is the economic rivalry that occurs among businesses when producers in a given industry attempt to gain a larger share of the market. Economists use the term «market structure» to describe how competitive specific industries are. Perfect competition and pure monopoly are the opposite extremes of the market structure continuum.
2. Perfect competition has many sellers of the same product, while pure monopoly has only one. Perfect competition exists when there are many buyers and sellers, none of whom control prices. In contrast, pure monopoly exists when a single firm controls the total production or sale of a good or service.
3. The most competitive type of industry is that with perfect competition. Four conditions must be present in the market structure for perfect competition to exist.
First: a particular good or service must have many sellers and buyers available. In addition, each seller must account for just a small share of the overall sales in the market. The goal of these sellers is to attract enough buyers to their businesses to earn a profit.
Second: the good or service offered by one competing firm must be similar or identical to those offered by other firms. In such a situation, buyers may choose freely from the selection.
Third: buyers must have easy access to information on the products and prices available. This information allows buyers to make intelligent choices about which goods to purchase based on price and quality.
Fourth: entrance to and exit from the industry must be relatively easy and inexpensive. In a purely competitive market structure, firms can easily enter a profitable industry or leave an unprofitable one.
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Radar applications
1. The information provided by radar includes the bearing and range (and therefore position) of the object from the radar scanner. It is thus used in many different fields where the need for such positioning is crucial. The first use of radar was for military purposes: to locate air, ground and sea targets. This evolved in the civilian field into applications for aircraft, ships, and roads.
2. In aviation, aircraft are equipped with radar devices that warn of obstacles in or approaching their path and give accurate altitude readings. The first commercial device fitted to aircraft was a 1938 Bell Lab unit on some United Air Lines aircraft. Such aircraft can land in fog at airports equipped with radar-assisted ground-controlled approach systems in which the plane's flight is observed on radar screens while operators radio landing directions to the pilot.
3. Marine radars are used to measure the bearing and distance of ships to prevent collision with other ships, to navigate, and to fix their position at sea when within range of shore or other fixed references such as islands, buoys, and lightships. In port or in harbour, vessel traffic service radar systems are used to monitor and regulate ship movements in busy waters. Police forces use radar guns to monitor vehicle speeds on the roads.
4. Meteorologists use radar to monitor precipitation. It has become the primary tool for short-term weather forecasting and watching for severe weather such as thunderstorms, tornadoes, winter storms, precipitation types, etc. Geologists use specialized ground-penetrating radars to map the composition of Earth's crust.
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The Stage Model of Memory
1. Sensory memory is the earliest stage of memory. During this stage, sensory information from the environment is stored for a very brief period of time, generally for no longer than a half-second for visual information and 3 or 4 seconds for auditory information. We attend to only certain aspects of this sensory memory, allowing some of this information to pass into the next stage - short-term memory.
2. Short-term memory, also known as active memory, is the information we are currently aware of or thinking about. In Freudian psychology, this memory would be referred to as the conscious mind. Paying attention to sensory memories generates the information in short-term memory. Most of the information stored in active memory will be kept for approximately 20 to 30 seconds. The amount of information that can be stored in short-term memory can vary. An often cited figure is plus or minus seven items. While many of our short-term memories are quickly forgotten, attending to this information allows it to continue on the next stage - long-term memory.
3. Long-term memory refers to the continuing storage of information. In Freudian psychology, long-term memory would be call the preconscious and unconscious. This information is largely outside of our awareness, but can be called into working memory to be used when needed. Some of this information is fairly easy to recall, while other memories are much more difficult to access. The ability to access and retrieve information from long-term memory allows us to actually use these memories to make decisions, interact with others and solve problems.
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