Nhằm giúp các bạn có thêm tài liệu ôn tập kiến thức, kĩ năng cơ bản, và biết cách vận dụng giải các bài tập một cách nhanh nhất và chính xác. Hãy tham khảo IELTS Academic Reading Sample 139 - Highs - Lows để tích lũy kinh nghiệm giải đề các bạn nhé! | You should spend about 20 minutes on Questions 26-40 which are based on Reading Passage 139 below HIGHS amp LOWS Hormone levels - and hence our moods may be affected by the weather. Gloomy weather can cause depression but sunshine appears to raise the spirits. In Britain for example the dull weather of winter drastically cuts down the amount of sunlight that is experienced which strongly affects some people. They become so depressed and lacking in energy that their work and social life are affected. This condition has been given the name SAD Seasonal Affective Disorder . Sufferers can fight back by making the most of any sunlight in winter and by spending a few hours each day under special full-spectrum lamps. These provide more ultraviolet and blue-green light than ordinary fluorescent and tungsten lights. Some Russian scientists claim that children learn better after being exposed to ultraviolet light. In warm countries hours of work are often arranged so that workers can take a break or even a siesta during the hottest part of the day. Scientists are working to discover the links between the weather and human beings moods and performance. It is generally believed that tempers grow shorter in hot muggy weather. There is no doubt that crimes against the person rise in the summer when the weather is hotter and fall in the winter when the weather is colder. Research in the United States has shown a relationship between temperature and street riots. The frequency of riots rises dramatically as the weather gets warmer hitting a peak around 27-30 C. But is this effect really due to a mood change caused by the heat Some scientists argue that trouble starts more often in hot weather merely because there are more people in the street when the weather is good. Psychologists have also studied how being cold affects performance. Researchers 4 compared divers working in icy cold water at 5 C with others in water at 20 C about swimming pool temperature . The colder water made
