Прочитайте текст и выберите утверждение соответствующее содержанию текста In the laboratory there we...: ответ на тест 607215 - Английский язык

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In the laboratory there were six volunteers fast asleep with wires attached to their heads. The wires were connected to a monitor. The monitor was measuring the brain’s electrical activity and showed which of the four stages of sleep the volunteers were in.
I wanted to know what happened in the different stages. Dr Hernandez explained:
“After we have slept through the four stages – which takes about 40 minutes – we then go backwards through the stages again, four, three, two, one. Stage four is the deepest sleep. Each stage is deeper than the one before. Look now at the volunteers’ eyes. Those rapid eye movements (REM) are telling us that they are dreaming. If we wake them up now they’ll remember their dreams quite clearly.”

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In the laboratory there were six volunteers fast asleep with wires attached to their heads. The wires were connected to a monitor. The monitor was measuring the brain’s electrical activity and showed which of the four stages of sleep the volunteers were in.
I wanted to know what happened in the different stages. Dr Hernandez explained:
“After we have slept through the four stages – which takes about 40 minutes – we then go backwards through the stages again, four, three, two, one. Stage four is the deepest sleep. Each stage is deeper than the one before. Look now at the volunteers’ eyes. Those rapid eye movements (REM) are telling us that they are dreaming. If we wake them up now they’ll remember their dreams quite clearly.”

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There is a state service in Britain called the National Health Service (NHS). Anyone can go see a GP and this costs nothing. (The service is free for foreigners too in an emergency.) If the doctor thinks you need some medicine, he writes you a prescription, which you take to the chemist’s. Most people have to pay a small charge for a prescription. Although medical treatment, including hospital treatment, costs NHS patients almost nothing, there are some problems: you often have to sit in crowded waiting rooms with a lot of ill people; doctors and nurses are overworked; people may have to wait for months for a minor operation because there aren’t enough hospital beds. People who have serious illnesses, however, get immediate medical treatment.

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Some people go to private doctors to get private treatment, though this is expensive.
Health service isn’t paid for in the United States. There is no government health service. People buy insurance, but it doesn’t pay for everything. Hospital rooms can cost as much as two hundred dollars a day, and very often the patients have to buy their own necessities. Sometimes they pay for their treatment for the rest of their lives.

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Doctor Lennox is a radio doctor. She answers listeners’ questions about medical problems.
Hello, Doctor Lennox. Well, three days ago I fell over and cut my arm. There was a little blood, but it quickly stopped and I forgot about it. Now the wound is painful and red. It hurts when I touch it. I also think I may have a fever. I feel a little hot and quite weak. Do you think I should see my doctor?

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Doctor Lennox is a radio doctor. She answers listeners’ questions about medical problems.
Doctor Lennox, I am a 43-year-old woman. A few months ago, I was walking upstairs when I suddenly felt very faint and almost fell over. Now, whenever I do just a little exercise I get out of breath very quickly. Even when I’m sleeping, I have breathing problems. I wake up in the middle of the night and can’t get back to sleep. I’m really worried because I have never had insomnia in my life before. I don’t have a pain in my chest, so I don’t think I have heart problems. I’m very worried. What do you think?