结构推理 He was indefatigable. When he fixed his eye on his prey he hunted it with the persistence of a botanist who will expose himself to dangers of flood, earthquake, fever and hostle natives to find an orchid of peculiar rarity.  (重组法)
【正确答案】他那种锲而不舍的精神倒很象一位植物学家：精微观察，四处寻觅，为了找到一株珍稀的兰花，任什么险阻——洪水、地震、瘟疫、杀气腾腾的土人……一切都不在话下。
【答案解析】