题目

    Most people feel lonely sometimes, but it usually only lasts between a few minutes and a few hours. This kind of loneliness is not serious. In fact, it is quite normal. For some people, though, loneliness can last for years.   16      The first kind of loneliness doesn’t last long. This is the most common type.   17   The second kind is situational, it is a natural result of a particular situation. For example, family problem, the death of loved one, or moving to a new place. Although this kind of loneliness can cause physical problems, such as headaches and sleeplessness, it usually does not last for more than a year. The third kind of loneliness is the most serious.   18   People who experience habitual loneliness have problems socializing and becoming close to others. Unfortunately, many of them think there is little or nothing they can do to improve their condition. Psychologists agree that one important factor in loneliness is a person’s social contacts.   19 _ For instance, our families give us emotional support, our parents and teachers give us guidance, and our friends share similar interests and activities. However, psychologists have found that, though lonely people may have many social contacts, they sometimes feel they should have more. They question their popularity.      Psychologists are trying to find ways to help habitually lonely people for two reasons: they are unhappy and unable to socialize and there is a connection between habitual loneliness and serious illness such as heart disease,    20      A. we live in a big family and we love our family members.     B. while temporary and situational loneliness can be a sad, and sometimes dangerous condition.     C. It usually disappears quickly and does not require any special attention.     D. Psychologits are studying this complex phenomenon, and have identified three different types of loneliness.     E. We depend on various people for different reasons.     F. Unlike the first two types, it usually lasts more than two years and has no specific cause.     G. and temporary and situational loneliness also need to pay attention to. 答案：DCFEB

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