Вопрос № 142537 - Английский язык

The United States of America covers the central part of North America. Besides, Alaska and Hawaii belong to the USA. Its territory is about 9,328,000 square kilometers. The population of the United States is about 265 million people.
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.
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The United States of America covers the central part of North America. Besides, Alaska and Hawaii belong to the USA. Its territory is about 9,328,000 square kilometers. The population of the United States is about 265 million people.
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.
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What countries does the USA border on?

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1. New York is ____ than Moscow.
2. This is ____ park in London.
3. The new cinema in our district is ____.
4. Population in London is not ____ in Tokyo, which is the most populated city in the world.

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In the USA there are three levels of organization of medical service: the private doctor, the medical institution or hospital and the United State Public Health Service.
The average American has a doctor of his own, whom he calls his ‘family doctor’. The doctor gives the patient regular examinations, vaccinations and medical advice. This doctor receives pay directly from the patient.
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How many levels of organization of medical service are there in the USA?

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A microwave oven
1. A microwave oven works by passing non-ionizing microwave radiation, usually at a frequency of 2.45 gigahertz (a wavelength of 12.24 centimetres), through the food. Microwave radiation is between common radio and infrared frequencies. Water, fat, and other substances in the food absorb energy from the microwaves in a process called dielectric heating.
2. Many molecules (such as those of water) are electric dipoles, meaning that they have a positive charge at one end and a negative charge at the other, and therefore rotate as they try to align themselves with the alternating electromagnetic field of the microwaves. This molecular movement represents heat which is then dispersed as the rotating molecules hit other molecules and put them into motion.
3. Microwave heating is more efficient on liquid water than on fats and sugars (which have a smaller molecular dipole moment), and also more efficient than on frozen water (where the molecules are not free to rotate).  Microwave heating is sometimes explained as a resonance of water molecules, but this is incorrect: such resonance only occurs in water vapor at much higher frequencies, at about 20 GHz.
4. A common misconception is that microwave ovens cook food from the "inside out". In reality, microwaves are absorbed in the outer layers of food in a manner somewhat similar to heat from other methods. The misconception arises because microwaves penetrate dry non-conductive substances at the surfaces of many common foods, and thus often induce initial heat more deeply than other methods. Depending on water content, the depth of initial heat deposition may be several centimetres or more with microwave ovens, in contrast to infrared or convection heating, which deposit heat thinly at the food surface. Penetration depth of microwaves is dependent on food composition and the frequency, with lower microwave frequencies (longer wavelengths) penetrating better.
(Encyclopedia Wikipedia)
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Locomotives on some railroads are known to be equipped with apparatus located in the cab, which gives a continuous indication to the engineman identical with that shown by wayside signals.