Прочитайте текст и выполните задания Training in Britain 1. Not all British students study full time...: ответ на тест 893202 - Английский язык

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Training in Britain
1. Not all British students study full time at university or college. Many people combine their studies with work. Some companies release their staff for training one or two days a week or two month a year. Large companies often have their own in-house training schemes.
2. The British government is very enthusiastic about such training schemes, in particular because so few people go to university. Only 25 per cent of the student population goes on to higher education.
3. If you unemployed, there are two forms of training schemes: employment training for people who have been out of work for a long time and Youth Training Schemes for school-leavers who cannot find a job.
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Training in Britain
1. Not all British students study full time at university or college. Many people combine their studies with work. Some companies release their staff for training one or two days a week or two month a year. Large companies often have their own in-house training schemes.
2. The British government is very enthusiastic about such training schemes, in particular because so few people go to university. Only 25 per cent of the student population goes on to higher education.
3. If you unemployed, there are two forms of training schemes: employment training for people who have been out of work for a long time and Youth Training Schemes for school-leavers who cannot find a job.
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Cable television
1. Cable television is a system of providing television to consumers via radio frequency signals transmitted to televisions through optical fibers or coaxial cables as opposed to the over-the-air method used in traditional television broadcasting (via radio waves) in which a television antenna is required.
2. The abbreviation CATV is often used to mean «Cable TV». It originally stood for Community Antenna Television, from cable television's origins in 1948.  In areas where over-the-air reception was limited by distance from transmitters or mountainous terrain, large «community antennas» were constructed, and cable was run from them to individual homes.
3. It is most commonplace in North America, Europe, Australia and East Asia, though it is present in many other countries, mainly in South America and the Middle East. Cable TV has had little success in Africa, as it is not cost-effective to lay cables in sparsely populated areas. So-called «wireless cable» or microwave-based systems are used instead.
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Satellite radio
1. A satellite radio or subscription radio (SR) is a digital radio signal that is broadcast by a communications satellite, which covers a much wider geographical range than terrestrial radio signals. Satellite radio offers a meaningful alternative to ground-based radio services in some countries, notably the United States. Mobile services, such as Sirius, XM, and Worldspace allow listeners to roam across an entire continent, listening to the same audio programming anywhere they go.
2. Radio services are usually provided by commercial ventures and are subscription-based. The various services are proprietary signals, requiring specialized hardware for decoding and playback. Providers usually carry a variety of news, weather, sports, and music channels, with the music channels generally being commercial-free.
3. In areas with a relatively high population density, it is easier and less expensive to reach the bulk of the population with terrestrial broadcasts. Thus in the UK and some other countries, the contemporary evolution of radio services is focused on Digital Audio Broadcasting (DAB) services or HD Radio, rather than satellite radio.
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Fiber-optic communication
1. In fiber-optic communications information is transmitted by sending light through optical fibers. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optic communication systems have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age.
2. Optical fiber is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals. Due to much lower attenuation and interference, optical fiber has large advantages over existing copper wire in long-distance and high-demand applications. However, infrastructure development within cities was relatively difficult and time-consuming, and fiber-optic systems were complex and expensive to install and operate.
3. Due to these difficulties, fiber-optic communication systems have primarily been installed in long-distance applications, where they can be used to their full transmission capacity, offsetting the increased cost. Since 2000, the prices for fiber-optic communications have dropped considerably.
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Human perception of motion
1. A television system involves equipment located at the source of production, equipment located in the home of the viewer, and equipment used to convey the television signal from the producer to the viewer. The purpose of all of this equipment is to extend the human senses of vision and hearing beyond their natural limits of physical distance.
2. A television system must be designed, therefore, to embrace the essential capabilities of these senses, particularly the sense of vision. The aspects of vision that must be considered include the ability of the human eye to distinguish the brightness, colours, details, sizes, shapes, and positions of objects. Aspects of hearing include the ability of the ear to distinguish the pitch, loudness, and distribution of sounds.
3. In working to satisfy these capabilities, television systems must strike appropriate compromises between the quality of the desired image and the costs of reproducing it. They must also be designed to override, within reasonable limits, the effects of interference and to minimize visual and audial distortions in the transmission and reproduction processes.
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