What is a dream? Прочитайте текст. Для каждого предложения АЕ выберите один правильный вариант ответа из четырех предложенных (1, 2, 3 или 4). The dictionary defines this word 'dream' as 'a series of thoughts, images, and feelings that you experience when you are asleep'. In other words, dreams are imaginary sleeping visions. People spend one third of their lives asleep but they don't fully understand the purpose of dreams. Some scientists think that dreams allow us to solve prob-lems, to create new ideas and to find answers to the most compli cated questions. For example, a famous Russian scientist Dmitri Mendeleyev invented the periodic table after he had seen it in his dream. The modern theory is that dreams are the brain's way of organizing the events of the day and deleting the information that it doesn't need. It is like the cleaning-up operations of computers. Our dreams depend on our emotional state as well. When we are depressed, we usually have dreams which make our sleep disturbed. When we fear something, we may have a nightmare. We can experience intense feelings while sleeping: a sense of joy, excitement or anxiety, and alarm. The more we think about a person, the more likely we are to dream about him. If we are preoccupied with some problems, we will continue thinking about them while sleeping. People's dreams have various scripts but there are some common themes. For example, most people dream about flying, being chased, falling or not being able to move. People have always sought mean-ing in dreams and considered them to be predictions of the future. There are a lot of books trying to interpret our dreams and to explain what the future holds. So if we dream about being chased, we are running away from something in real life. A dream about crossroads symbolizes that soon we will have to make an important decision about business or love. Finding money may symbolize a birth. Crossing a river means a fundamental change of lifestyle. Doctors assert that if a person wants to be healthy and to live long, he must sleep 8 hours per night. But some people (for example night-shift workers) are deprived of normal sleep. Some of us suffer from insomnia because the natural rhythm of sleep may be occasioned by noise, anxiety, exces-sive tiredness or excitement and many other factors. But a person needs his amount of sleep and he can do without it only temporarily. If he has missed a lot of sleep, he looks tired, becomes absent-minded and makes many mistakes. So sleep is important both to our body and mind. A. The latest theory says that the purpose of dreams is to … 1) find answers to any question. 2) invent new theories. 3) clean the brain. 4) organize the events for the future. B. Having dreams depend on … 1) good health. 2) personal preferences. 3) personal emotions. 4) intense feelings. 27