Persevering with an overly challenging route is an experience some climbers will be able to relate to. Mountaineers say they sometimes get overcome by what's known as summit fever - the desire to reach the top - even if they have concerns about their climb. They might have spent months planning their trip - and considerable amounts of money, too.
做到实事求是，离不开调查研究这个基本功。
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Additional reporting by Danielle Kaye and Pritti Mistry
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Раскрыта необычная опасность блендера и кофемолкиНевролог Демьяновская: Блендер и кофемолка наносят урон слуху，推荐阅读雷电模拟器官方版本下载获取更多信息
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