专题一 第2讲 第4节 专题一 阅读理解 第2讲 第4节 主旨大意题-【金版教程】2023高考英语大二轮专题复习冲刺方案全书word（老教材，全国统考版）

第四节　考点4　主旨大意题 考法一　标题判断题——“精准定位”法 典例片段　(2022·全国乙卷) Can a small group of drones (无人机) guarantee the safety and reliability of railways and, at the same time, help railway operators save billions of euros each year? That is the very likely future of applying today's “eyes in the sky” technology to making sure that the millions of kilometres of rail tracks and infrastructure (基础设施) worldwide are safe for trains on a 24/7 basis. Drones are already being used to examine high­tension electrical lines. ... That includes huge savings in maintenance costs and better protection of railway personnel safety. ... By using the latest technologies, drones could also start providing higher­value services for railways, detecting faults in the rail or switches, before they can cause any safety problems. ... Which is the most suitable title for the text? A．What Faults Can Be Detected with Drones B．How Production of Drones Can Be Expanded C．What Difficulty Drone Development Will Face D．How Drones Will Change the Future of Railways ①找主题词：定位到第一段中的“the very likely future of applying today's ‘eyes in the sky’”。 ②信息理解：文章开头提出问题“一小群无人机能否在保证铁路安全可靠的同时，帮助铁路运营商每年节省数十亿欧元？”第二段讲到了使用无人机检查高压电线路；第三段讲到了使用无人机节省维护成本并更好地保护铁路人员安全；第四段讲到了通过使用最新的技术，无人机还可以开始为铁路提供更高的价值。 ③总结概括：文章从不同的方面介绍了无人机的应用将如何改变铁路的未来。D项最适合作本文标题。故选D。 考法二　段落大意题——“首尾兼顾”法 典例片段　(2022·新高考Ⅰ卷) (第五段)Analyses of a language database also confirmed that there was a global change in the sound of world languages after the Neolithic age, with the use of “f” and “v” increasing remarkably during the last few thousand years.These sounds are still not found in the languages of many hunter－gatherer people today. What is paragraph 5 mainly about? A．Supporting evidence for the research results. B．Potential application of the research findings. C．A further explanation of the research methods. D．A reasonable doubt about the research process. ①题干定位：定位到第五段。 ②信息理解：根据第五段中的“一项语言数据库的分析也证实，在新石器时代之后，世界语言的发音发生了全球性的变化”可推知，本段是为上文的研究结果提供证据支持。 ③总结概括：第五段主要与研究结果的支持性证据有关。故选