Unit 5 Section Ⅳ “Developing ideas”的课文习读环节-【新课程学案】2025-2026学年高中英语选择性必修第四册教师用书word（外研版）

本高中英语讲义聚焦“人类深海探索”说明文阅读，构建“泛读-精读-技能提升”学习支架，通过理清文脉结构、匹配段落主旨等泛读任务建立文本整体认知，再以细节理解题、阅读表达题深化精读，最后结合语篇分析及用词、句式、修辞赏析提升语言能力。 该资料以分层设计驱动核心素养发展，语言赏析环节（如“little if any”“complete darkness”等）强化语言能力，阅读表达题（如“驱动海洋探索的因素”）培养思维品质，阅读策略指导（关注首尾段抓主旨）提升学习能力。课中助力教师引导学生逐步深入文本，课后帮助学生巩固语言知识与阅读方法，有效查漏补缺。

Section Ⅳ　“Developing ideas”的课文习读环节 泛读课文，完成以下学习任务 (一)理清文脉结构 (二)把握主旨大意 1．What's the main idea of the text? A．There are millions of shipwrecks lying under waters. B．Human exploration deep into the sea. C．The tough environment of the sea bed. D．Some new discoveries made by the scientists in the deep sea. 答案：B 2．Match the main idea with each paragraph. Para.1　　A．The amazing biological discoveries. Para.2 B．Introduction to the topic. Para.3 C．Humankind is entering a new age of oceanic discovery. Para.4 D．The ruins of Neápolis. Para.5 E．The discovery of natural resources in the oceans. 答案：Paras.1～5　BDAEC 精读课文，完成以下学习任务 (一)阅读理解 1．About what time did the Esmeralda set sail? A．In 1920.　　　　　　　 B．In 1520. C．In 1820. D．In 1620. 2．What caused the ancient Roman city of Neápolis to be buried underwater according to the text? A．A terrible earthquake. B．A volcanic eruption. C．A tsunami. D．A hurricane. 3．What challenges must scientists overcome if they dive deep into the sea? A．The high pressure of the water. B．The darkness under the water. C．The extreme cold under the sea. D．All of the above. 4．Which of the achievements makes China one of the world's top ocean explorers? A．The discovery of “fire ice”． B．The discovery of the ruins of Neápolis. C．The discovery of the Esmeralda. D．China's vessel, Jiaolong, holds the record for the deepest dive by a manned submarine. 5．What can be inferred from the last paragraph? A．The depths of the ocean are within the range of human exploration. B．It is better for a country to explore the ocean alone. C．Ocean exploration requires international cooperation. D．Man has become familiar with the underwater world. 答案：1～5　BCDDC (二)阅读表达 1．What do you think drives the exploration of the oceans? In_my_opinion,_it's_human_curiosity_and_desire_for_unknown_knowledge_that__drive_the_exploration_of_the__oceans. 2．As a middle school student, what do you think of the role of the ocean? The ocean is very important to human beings. For example, it has a huge biological system, which produces a lot of oxygen for the earth. It is also the largest base of marine protein supply. There are huge mineral resources and inexhaustible marine chemical and energy resources in the ocean, etc. |阅|读|技|能|提|升| 本文的语篇类型为说明文。文章为“总—分—总”结构，课文描述了人类进行深海探索时的各种发现，介绍了深海蕴藏的丰富资源，并在尾段部分呼吁人类通过国际合作共同进行深海探秘。阅读时应首先关注文章首段和尾段，快速提取文本传递的关键信息，从而快速了解文章的主旨大意。 (一)赏用词之妙 1．Today, some 500 years after the Esmeralda set sail, there is little — if any — land on our planet left unexplored. 赏析：本句中的 little与if any相搭配，强调了我们星球上尚未被探索的土地已是少之又少。 2．However, we are only beginning to overcome the challenges of pressure, darkness and extreme cold at vast depths. 赏析：darkness and extreme cold描写了海洋深处的极端环境，与前面的challenges相呼应。此外，vast 一词写出了海洋的广袤无垠。 3．Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration. 赏析：本句中的 complete, enormous, intense以及beyond the reach of写出了深海区域环境的恶劣，超出了人类探索所能企及的范围。 ①Her eyes stayed fixed on the old photo, showing_little_change_in_expression,_if_any,_for a long while. 她的目光一直停留在那张旧照片上，许久都没有什么表情变化，即便有，也微乎其微。 ②Overcoming this difficulty will be a_great_challenge,_but I believe we can succeed with joint efforts. 克服这个困难将是一项巨大的挑战，但我相信通过共同努力我们能够成功。　　 (二)赏句式之高 In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction. 赏析：本句中使用了介词短语置于句首引起的倒装结构，where引导的定语从句，that引导的定语从句及as if引导的方式状语从句，既增加了句式的层次性，彰显了多样化表达，又将各种细节交代得详尽、具体。 In_no_way_can_we overlook the importance of environmental protection. 我们绝不能忽视环境保护的重要性。　　 (三)赏修辞之功 1．The remaining streets and buildings offer a window into a fascinating period in our history. 赏析：此处运用了比喻的修辞手法，将奈阿波利斯废墟的残垣断壁比作探究过往历史的一个窗口，形象地说明了其存在的价值。 2．Fragments of the past lying deep beneath the oceans are still waiting to be discovered. 赏析：本句中使用了拟人的修辞手法，形象地说明了广袤的海洋深处散落着许多尚待发现的神秘之处。 学科网（北京）股份有限公司 $