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Magnets can be natural and artificial. The Earth, for example, contains magnetic substances in its nucleus. These substances, which are also in our body, make our planet a big natural magnet. That’s why when you hang a bar magnet from a thread in a horizontal position, its north pole points to the geographic north pole of the Earth. A bar magnet is an artificial magnet. This type of magnets are usually made from a combination of elements that contain iron, cobalt or nickel.
I _______ ski very well when a boy.
1_______.
The Analog computer is almost an extinct type of computer these days. It is different from a digital computer in respect that it can perform numerous mathematical operations simultaneously. 2_______. It utilizes mechanical, hydraulic, or electrical energy or operation.
Hybrid computers are, as the name suggests, a combination of both Analog and Digital computers. 3_______. But the problem is that they are too slow and incapable of large scale mathematical operation. 4_______.
Student: «Shall I read the text again for the next time?»
Teacher: «_______________».
Landmark Inventions of the Millennium
1. The last 1,000 years have produced an incredible number and variety of scientific and technological breakthroughs – but which of these were the most important? Narrowing a list of the thousands of inventions made since the year 1000 to the ten greatest requires some exact criteria. The qualifying inventions either provided radically new ways to do an important job, or they made possible tasks that were previously unimagined. Their impact was felt, if not right away then eventually, by a large portion of humanity. These developments have made possible significant new technological innovations and scientific discoveries. And finally, they have had an enduring effect on the world.
2. The inventions that meet these criteria, in chronological order, are the compass, the mechanical clock, the glass lens, the printing press, the steam engine, the telegraph, electric power, wireless communications, antibiotics, and the transistor. Missing from this list are many extremely significant technological advances, including the airplane, telephone, automobile, and computer. In many cases these inventions were omitted because they are based on earlier developments or breakthroughs.
3. In considering the ten most significant inventions of the past 1,000 years, a subtle distinction must be made: the difference between «invention» and «discovery» is not as clear as one might think. A discovery can be as simple as the observation of a previously unnoticed phenomenon, while an invention is a human-devised machine, tool, or apparatus that did not previously exist.
Albion is _______.
My son _______ walk now.
A large modern supermarket has been opened recently not far from my block of flats and most often I go shopping there. I am its regular customer now.
When you come into the supermarket, you have to take a food basket or a shopping cart to put all the products you buy.
All the necessary foodstuffs can be bought here: meat, fish, milk, grocery, baked items, sweets, cooked sausages, smoked foods, vegetables and fruit.
In the meat aisle the customers can buy beef, pork, mutton, veal, poultry and game.
There is always a rich choice of fish there: live carp, pike, bream and sheat fish. There is much fresh-frozen fish: perch, cod, plaice and some other like pike-perch and sturgeon. There is herring, kipper and much tinned fish too.
If your computer didn’t come with an internal modem, consider buying an 1_______ one, because it is much easier to install and 2_______. For example, when your 3_______ gets stuck (not an unusual occurrence), you need to turn it off and on to get it working properly. With an 4_______ modem, that means restarting your computer – a waste of time. With an external modem it’s as easy as flipping a switch.
Electrical engineering
1. Electricity has been a subject of scientific interest since at least the early 17th century. The first electrical engineer was probably William Gilbert who designed the versorium: a device that detected the presence of statically charged objects. He was also the first to draw a clear distinction between magnetism and static electricity and is credited with establishing the term electricity. In 1775 Alessandro Volta‘s scientific experimentations devised the electrophorus, a device that produced a static electric charge, and by 1800 Volta developed the voltaic pile, a forerunner of the electric battery.
2. Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics, and electromagnetism. This field first became an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electric power distribution and use. It now covers a wide range of subfields including electronics, digital computers, power engineering, telecommunications, control systems, RF engineering, and signal processing.
3. Electrical engineering may include electronic engineering. Where a distinction is made, usually outside of the United States, electrical engineering is considered to deal with the problems associated with systems such as electric power transmission and electrical machines, whereas electronic engineering deals with the study of electronic systems including computers, communication systems, integrated circuits, and radar. From a different point-of-view, electrical engineers are usually concerned with using electricity to transmit electric power, while electronic engineers are concerned with using electricity to process information.
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Jake was responsible for _______ mail.
Customer: «This soup is cold».
Waiter: «_____________».
The USA is washed by the Pacific Ocean in the west and the Atlantic Ocean and the Gulf of Mexico in the east. It borders on Canada in the north and on Mexico in the south. The most important rivers in the USA are the Mississippi, the Colorado, the Ohio, and the Hudson River. The main mountain chains are the Cordillera in the west and the Appalachian Mountains in the east. Between these two mountain chains lie the central lowlands, called the prairie. To the north of the country, on the border with Canada, the Great Lakes are situated. They include the Lake Superior, the Lake Ontario, the Lake Eire, the Lake Huron and the Lake Michigan.
Everyone knows that tea is the most popular drink in Britain. 1_______. The Dutch brought the first tea to Europe in 1610. 2_______. At that time a pound of the cheapest tea cost about one-third of skilled worker's weekly wages. 3_______. Later, tea-drinking developed into a fashionable social ritual. Tea parties were popular at home and soon the ritual of «afternoon tea» was firmly established.
4_______. Tea in Britain is brewed in a teapot. Then one spoonful of tea per person and one for the pot are added. Most people in Britain prefer a rich, strong cup of tea with milk, and sugar is sometimes added to taste.
Customer: «How much does this scarf cost?»
Shop-assistant: «_______________».
It is the _______ building in the town.
Professor: «You’d better not miss my lectures».
Student: «___________».
Thousands of people visit the UK every year. They 1_______ to have a holiday, to see the sights, to study, or to work.
People who live within the EEA (European Economic Area) only need a passport to get into the UK, but the passport must be valid for 2_______ months.
People who live outside the EEA need a 3_______. To apply for a visa, you need your passport, an extra passport photo, and a return ticket. You will also need to prove that you have a permanent 4_______ in your own country. Americans, Australians and people from Commonwealth countries do not need a visa.
Speaking English gives people many privileges in society, enabling them to communicate successfully with those who don’t know your mother tongue. In order to possess these privileges school teachers and methodologists propose to introduce six hours of learning English a week for all Russian schools and introduce this subject from the first year in primary schools. Learning English should become more intensive to make Russian citizens more communicative.
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Automation
1. Automation is the use of control systems in concern with other applications of information technology to control industrial machinery and processes, reducing the need for human intervention. In the scope of industrialization, automation is a step beyond mechanization.
2. Automation plays an increasingly important role in the world economy and in daily experience. Engineers strive to combine automated devices with mathematical and organizational tools to create complex systems for a rapidly expanding range of applications and human activities.
3. Many roles for humans in industrial processes presently lie beyond the scope of automation. Tasks requiring subjective assessment or synthesis of complex sensory data, such as scents and sounds, as well as high-level tasks such as strategic planning, currently require human expertise. In many cases, the use of humans is more cost-effective than mechanical approaches even where automation of industrial tasks is possible.
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How does automation benefit to people?
Receptionist: «Yes, Mr Brown. A single room with a bath for two nights, is that right?»
Guest: «_____________».
What happened in the house next door to Bill and Lora’s on a Friday night?
It was quite late on a Friday night. Bill and Lora were having supper in their new house. They did not take much notiсe when they heard some noise in the house next door.
From the windows they could see figures in the front garden.
Bill and Lora assumed that their neighbours were having some sort of party.
‘That’s all right’, said Ben. ‘Our neighbours do not like big parties.’
‘Yes, I agree’, answered his wife. ‘I am sure they will not disturb us long.’ Soon they heard the front door shut and the house went very quiet.
Bill and Lora went to bed and forgot all about it. At breakfast early the next day, they heard someone shouting loudly.
Their neighbours arrived back home and discovered that some thieves had taken all their furniture and valuables from the house.
Guest: «It was a lovely party!»
Hostess: «_______________».
Partner1: «I plan to go to London for three days. There will be an exhibition. Will you join me?»
Partner2: «________________»
Chickens are on most tables today. Modern methods of rearing and refrigeration have made birds of uniform quality available everywhere and we eat them probably more than any other meal. Most people now buy frozen ones which are inexpensive and ready to cook. You can buy whole birds or chicken pieces. For a family a whole bird is a saving as it will provide more than one meal. Chicken pieces are good for a quick meal. The most economical joints are the drumsticks and thighs – there is a lot of meat on them.
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Modern methods of rearing and refrigeration have made birds of uniform quality available everywhere and …
What is it also important to have for dinner?
There is no doubt that dinner is the biggest meal of the day. It consists of several courses. For the first course you may have some soup – noodle, mushroom or cabbage soup, or may be some fish soup for a change. For the main course you may have meat, chicken or fish dishes, for example steak or fried fish with spaghetti or potatoes (boiled or fried). It is also important to have vegetables – green peas, carrots, tomatoes, cucumbers. For dessert you may have some fruit, fruit juice, or just a cup of tea with a slice of cake. In many houses the midday meal is the chief one of the day, and in the evening people have much simplier supper – sausages, beefsteak, eggs, or just bread and cheese, a cup of cocoa or stewed fruit, and nuts.
Automation
1. Automation is the use of control systems in concern with other applications of information technology to control industrial machinery and processes, reducing the need for human intervention. In the scope of industrialization, automation is a step beyond mechanization.
2. Automation plays an increasingly important role in the world economy and in daily experience. Engineers strive to combine automated devices with mathematical and organizational tools to create complex systems for a rapidly expanding range of applications and human activities.
3. Many roles for humans in industrial processes presently lie beyond the scope of automation. Tasks requiring subjective assessment or synthesis of complex sensory data, such as scents and sounds, as well as high-level tasks such as strategic planning, currently require human expertise. In many cases, the use of humans is more cost-effective than mechanical approaches even where automation of industrial tasks is possible.
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People need automation nowadays because …