Unit 6 Section Ⅴ “Developing ideas”的新知学习环节-【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）

本高中英语讲义围绕词汇与句式核心知识点，构建“阅读单词知义—重点单词写形—活用单词悉变—拓展构词明规—高级词块通用”的递进式学习支架，系统梳理词汇从基础认知到灵活运用的脉络，辅以核心句式（如“be composed of”“be close to”）的用法感知与应用。 资料特色在于融合语言能力与文化意识培养，通过“in-前缀反义构词”“词块应用结合‘天眼’‘三星堆’实例”等设计，提升学生词汇拓展与语境运用能力，句型转换仿写（如“sb. be believed to do”）发展思维品质。课中助力教师系统授课，课后语法填空练习帮助学生查漏补缺，强化知识掌握。

Section Ⅴ　“Developing ideas”的新知学习环节 一、阅读单词——知其义 1．a distant galaxy 一个遥远的星系　　 2．float in a vast cosmic ocean 漂浮在宇宙的汪洋中 3．subatomic particles 亚原子粒子 4．the muscles of the lower back　 腰部的肌肉 5．season with pepper 用胡椒粉调味 6．a brand­new disc 一张崭新的光盘 二、重点单词——写其形 1．angle the telescope　　 　　 斜置望远镜 2．a straightforward process 一个简单的过程 3．require self­discipline 需要自律 4．walk a mile to fetch water 步行一英里去取水 5．sneeze all night 整晚一直打喷嚏 三、活用单词——悉其变 1. 2. 四、拓展构词——明其规(依据规律串记单词) invisible：in­＋adj.→adj.(反义)　 ①correct→incorrect　　　　 不正确的 ②active→inactive 不活跃的 ③accurate→inaccurate 不准确的 ④consistent→inconsistent 不一致的 五、高级词块——通其用 1．in_reality　　　　　　　 现实中；事实上，实际上 2．the_naked_eye 肉眼 3．in_ancient_times 在古代 4．similar_to 和……类似 5．work_out 计算出 6．at_a_speed_(of_...) 以(……的)速度 7．be_engaged_in 从事于，忙于 8．be_composed_of 由……组成/构成 9．look_back_at_a_past 回顾过去 10．quest_for 寻找，探索 11．be_close_to 靠近，接近；与……关系密切 12．be_strapped_to 被绑在…… 13．protect_..._from_... 保护……免受…… 14．come_in_handy 派得上用场 15．be_rinsed_off 被冲洗掉 1．The 500­metre dish of the “Eye of Heaven”， as it is known, is being used in the search for dark matter, thought to be composed of subatomic particles invisible to ordinary telescopes.众所周知，这个被称为“天眼”的500米口径巨盘用于探寻暗物质。暗物质被认为由亚原子粒子组成，一般望远镜是观测不到的。 ★be composed of由……组成/构成 |用|法|感|知| •A good initiative proposal should be composed of clear goals and feasible measures. 一份好的倡议提案应该由明确的目标和可行的措施组成。 •Mozart composed his last opera shortly before his death. 莫扎特去世前不久创作了他的最后一部歌剧。 归纳点拨 (1)compose v．组成，构成(一个整体)；创作 (2)composer n. 作曲家；作曲者 联想发散 “由……组成”的词或短语： comprise, be comprised of, consist of, be made up of等。 |应|用|融|会| (单句语法填空) ①Every substance, no matter what it is, is composed of very small particles called molecules. ②Jack is a well­known music composer (compose), and his musical inspirations arise from everyday life. 2．So much of the universe remains unexplored that we are still close to the start of this incredible journey of discovery. 宇宙还有很多的未知领域，我们才刚刚接近这段奇幻发现之旅的起点。 ★be close to靠近，接近；与……关系密切(表示状态)；差不多 |用|法|感|知| •Open the door and walk out to get close to nature. 打开门，走出去，亲近一下大自然。 get close to　　　　　　　 接近，靠近(表示动作) keep close to 紧跟 stand/sit close to 靠近……站着/坐着 stay close to 紧贴着，靠近 live close to 住得离……近 come close to doing sth. 差一点儿做某事　　 |应|用|融|会| (单句语法填空/完成句子) ①Pupils are warned not to stay close to the walls, for they are in danger of collapse. ②Be careful when playing in the park, and keep_close_to_your_team. 在公园游玩时注意安全，并且要紧跟你的团队。 ③Now I am sitting in a tall tree close_to_our_backyard enjoying the bright afternoon sunshine. 现在我正坐在我们后院附近的一棵大树上，享受着午后明媚的阳光。 For example, the mysterious large­eyed, bronze statues of the ancient Shu Kingdom, discovered at the Chinese archeological site at Sanxingdui, were believed to have been able to look across great distances into the stars. 例如在中国考古遗址三星堆发掘的古蜀国神秘的巨目铜像，古时的人们认为它能够看到遥远的星空。 Sb./Sth.＋be＋believed＋to do “相信某人/某物做”。 (1)Sb./Sth.＋be＋believed＋to do可以转换成It is/was＋believed＋that sb./sth.do，该句式中it是形式主语，that从句是真正的主语。 (2)在“主语＋be＋said/believed ...＋to do”结构中，不定式的形式取决于它与谓语动作发生的先后顺序。之后或几乎同时发生，常用一般式(to do)；强调同时发生还可用进行式(to be doing)；先于谓语动作发生用完成式(to have done)。 (3)常用于此句型的过去分词有said, announced, believed, reported, known, hoped等。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①It is believed that he is sleeping at home now. →He is_believed_to_be_sleeping at home now. ②The book is known to have been translated into ten languages. →It_is_known_that_the_book_has_been_translated_into ten languages. ③It was said that she wrote a report about wildlife protection the other day. →She was_said_to_have_written_a_report about wildlife protection the other day. (2)通过“句式仿写”做到熟练运用 ④据说，数百幅古代艺术家创作的中国画将进行展出，参观者将从中感受到丰富多彩的中国文化。 →It's_said_that_hundreds_of_Chinese_paintings_by_ancient_artists_will_be_on_display,_from which visitors will feel the colourful Chinese culture. →Hundreds_of_Chinese_paintings_by_ancient_artists_are_said_to_be_on_display,_from which visitors will feel the colourful Chinese culture. ⑤据报道，这些关于中国传统文化的纪录片在国外很受欢迎。 →It_is_reported_that the documentaries about the traditional culture of China are well received outside China. →The documentaries about the traditional culture of China are_reported_to_be well received outside China. 根据课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。 The night sky has been an endless source of ①fascination (fascinate) since the start of human history. ②In reality，humans can see very little of the night sky with the naked eye.Our power ③to_investigate(investigate) and understand space changed dramatically when the first telescope was angled at the night sky.We understood that the universe is far ④larger (large) than was previously imaginable. Almost 400 years after the first Earth­based telescope ⑤was_invented (invent)，the Hubble Space Telescope was launched into orbit, ⑥giving (give) astronomers the first breathtakingly beautiful images of our universe taken from beyond Earth.To see even further into the universe, many ⑦countries(country) are now engaged in building ever more advanced telescopes.⑧Currently (current)，China operates the world's largest and most powerful radio telescope, ⑨the FAST telescope, completed in 2016. The Hubble and the space telescopes constructed after it will allow us to see further and further into space.So much of the universe remains unexplored ⑩that we are still close to the start of this incredible journey of discovery. 学科网（北京）股份有限公司 $