And it is not just robins that are being kept awake by artificial light. Blackbirds and seagulls are also being more nocturnal. Dr Dominoni said, “In Glasgow where I live, gulls are a serious problem. I have people coming to me saying ‘You are the bird expert. Can you help us kill these gulls？’. During the breeding (繁殖) season, between April and June, they are very active at night and very noisy and people can't sleep.”

　　Although Dr Dominoni has only studied light pollution, other research concluded that robins living in noisy cities have started to sing at night to make themselves heard over loud noise.

　　However, some birds thrive (兴旺) in noisy environments. A study from California Polytechnic State University found more hummingbirds in areas with heavy industrial machinery. It is thought that they are capitalising on their predators (天敌) fleeing to quieter areas.

　　语篇解读　本文是一篇研究类文章。夜间灯光及嘈杂的城市环境导致知更鸟整夜长鸣，这不仅会消耗它们的能量，而且对它们的健康有害。

　　1.According to Dr Dominoni's study, what causes robins to sing so much？

　　A. The breeding season.

　　B. The light in modern life.

　　C. The dangerous environment.

　　D. The noise from heavy machinery.

　　答案与解析　B　考查细节理解。根据第二段中的“light from street lamps, takeaway signs and homes is affecting the birds' biological clocks, leading to them being wide awake when they should be asleep”可知答案为B。

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