2013
高考英语重庆八中二轮阅读理解精选训练（06）及答案 a even plants can run a fever, especially when they're under attack by insects or disease. but unlike human, plants can have their temperature taken from 3,000 feet away—straight up. a decade ago, adopting the infrared(红外线)scanning technology developed for military purposes and other satellites, physicist stephen paley came up with a quick way to take the temperature of crops to determine which ones are under stress. the goal was to let farmers precisely target pesticide(杀虫剂)spraying rather than rain poison on a whole field, which invariably includes plants that don't have pest problems.
