内容正文:
2019年高考二轮复习 科普类阅读
教材版本
全国通用
课时说明(建议)
2课时
知识点
细节理解 词义猜测 推理判断 主旨大意
复习目标
了解科普类文章的题目类型
掌握各类型题目的解题思路及技巧
复习重点
科普类阅读题目的解题思路及技巧
复习难点
推理判断题及主旨大意题的解题技巧
一、高考回顾
(2018,全国卷I D)
We may think we're a culture that gets rid of our worn technology at the first sight of something shiny and new, but a new study shows that we keep using our old devices(装置) well after they go out of style. That’s bad news for the environment — and our wallets — as these outdated devices consume much more energy than the newer ones that do the same things.
To figure out how much power these devices are using, Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life — from when its minerals are mined to when we stop using the device. This method provided a readout for how home energy use has evolved since the early 1990s. Devices were grouped by generation — Desktop computers, basic mobile phones, and box-set TVs def