Unit 6 Section Ⅱ Starting out & Understanding ideas(Ⅱ)-【创新教程】2025-2026学年高中英语选择性必修第四册五维课堂同步课件PPT（外研版）

该高中英语课件聚焦太空探索主题，涵盖核心词汇（如shadow, witness）、重点短语（become accustomed to）及经典句式（不定式作定语、no matter how让步状语从句），通过“挑战者”号事件导入，连接已学太空词汇，搭建从基础词汇到复杂句式的学习支架，帮助学生构建知识脉络。 其亮点在于“学以致用”分层练习（单句语法填空、句式升级），结合“挑战者”号案例提升语言能力，通过句式分析培养思维品质，知识积累模块助力学习能力。学生能提升语言运用与探究能力，教师可高效落实重难点教学。

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(2)一句多译/句式升级 我必须尽快地适应新的工作。 ④I must get accustomed to the new job as soon as possible. ⑤I must accustom myself to the new job as soon as possible. ⑥Because he was accustomed to climbing the steep mountain，he had no difficulty reaching the top. →Accustomed to climbing the steep mountain，he had no difficulty reaching the top.(升级为过去分词作状语) 2．unexceptional adj.平常的 (教材P62)Following the Moon landings，space travel rapidly became unexceptional to the public, as innovations succeeded each other. 登月后，随着新事物接连出现，宇宙航行迅速成为公众眼中的寻常之事。 ◆[佳句感知] Since then，Michael has lived an unexceptional life. 自那以后，迈克尔过着平淡的生活。 [知识积累] (1)unexceptional adj.平常的 (2)exceptional adj.杰出的；罕见的 (3)exception n．例外 no exception 不例外 without exception毫无例外；无一例外 ◆[学以致用] (1)单句语法填空 ①This deadline will be extended only in exceptional (exception)circumstances. ②The problem of environmental protection affect all countries，and China is no exception(except)． ③You must all take the examination without exception. (2)完成句子 ④Nobody had much money at the time and I was no exception. 那时候谁都没有很多钱，我也不例外。 3．witness v．目击；证明；见证 n．目击者，见证人；证人 (教材P62)But this was going to be no ordinary excursion，and millions of people tuned in to witness the take­off on TV. 然而这将不是一次普通的航行，数百万人打开电视，共同见证这次发射。 ◆[佳句感知] The 21st century witnesses the rapid development of information technology. 21世纪见证着信息技术的快速发展。 [知识积累] be(a) witness to sth.看见(某事发生)；为……提供证据 bear/give witness to sth.为……作证，证明 ◆[学以致用] (1)单句语法填空 ①Police have appealed for witnesses (witness)to come forward and tell them the truth. ②His good health is a witness to the success of the treatment. (2)佳句写作 ③I bore/gave witness to his innocence，which I thought was right. 我证明了他的无辜，而且我认为这样做是对的。 ④The past decades has witnessed the great changes of our great country. 过去的几十年见证了我们伟大国家的巨大变化。 4．shadow n．坏影响；阴影 (教材P62)It was the most disastrous space accident ever，and it cast a shadow on people's hearts. 这是有史以来最惨烈的航天事故，给人们心里蒙上了阴影。 ◆[佳句感知] Don't let today's disappointment cast a shadow on tomorrow's dreams. 别让今天的失望给明天的梦想带来了阴影。 [知识积累] cast a shadow/shadows on 给……蒙上阴影 in/under the shadow of sth.　在某事的阴影下 in sb.’s shadow＝in the shadow of sb.在某人的光环之下 ◆[学以致用] (1)单句语法填空 ①The accident cast a shadow on the safety of the fast expanding subway network. ②These people have been living for years under the shadow of fear. (2)完成句子 ③As a child, the strange shadow that trees throw on cast a shadow on him. 小时候树在湖上投下了奇怪的影子给他的心理蒙上阴影。 ④Kate grew up in the shadow of her film star sister. 凯特是在她当电影明星的姐姐的光环下长大的。 5．take one's place 得到应有的社会地位，名副其实；就位，入座；代替，替换 (教材P63 )It has now been over 30 years since the loss of Challenger and although the lives of its crew were cut tragically short, they take their place alongside the other heroes of space exploration，such as Gagarin, Tereshkova, Armstrong and Yang Liwei. “挑战者”号失事至今已有30多年了。虽然“挑战者”号的机组人员英年早逝，但他们与加加林、捷列什科娃、阿姆斯特朗和杨利伟等进行太空探索的英雄们一道，都在历史上占有一席之地。 ◆[佳句感知] He is ready now to take his place as one of the fastest swimmers in history. 现在，他已经准备好成为历史上最快的游泳运动员之一了。 [知识积累] take place发生，进行 in place of代替 in place在工作，准备就绪；在正确位置，准备妥当 in the first place(用于句首)第一 out of place位置不当；不得体，不适当 ◆[学以致用] (1)用place的相关短语完成句子 ①Everything seems to be in place for a successful peace conference. ② Tom was on business，so Mary was in place of him to arrange the meeting which would take place in their company. ③“Please take your places，everyone，”said John.“From now on，I will take the place of Mr Wang as the chairman of the meeting.” ④She couldn't attend the meeting so her assistant took her place. (2)词汇升级 ⑤John is ill and I want to know who is going to replace him. →John is ill and I want to know who will take the place of him/take his place/be in place of him. [经典句式] 1．句式提炼：动词不定式作定语 (教材P62)She planned to give two 15­minute lessons from orbit：the first to demonstrate the controls of the spacecraft and explain how gravity worked，and the second to describe the objectives of the Challenger Programme. 她计划在“挑战者”号沿轨道运行时讲两节课，每节15分钟。第一节课要展示航天器的操控装置，并解释一下引力是如何发挥作用的；第二节课要讲述“挑战者”号太空计划的目的。 [句式分析]　句中 to demonstrate...和 to describe...为 to do 不定式作定语，分别修饰the first 和the second。 ◆[佳句感知] He is always the first to bear hardships and the last to enjoy comforts. 他总是吃苦在前，享乐在后。 [知识积累] 英语中常用不定式短语作后置定语的情况： (1)被修饰词为序数词、形容词最高级或被序数词、形容词最高级修饰时； (2)抽象名词way，chance，ability，courage，opportunity，wish等后常用不定式作定语； (3)被修饰词前有the only，the very，the next等词对其进行修饰时。 ◆[学以致用] (1)单句语法填空 ①In 1931，Addams became the first American woman to win (win) the Nobel Peace Prize. ②There was no signal in that faraway village and all my attempts to contact (contact) you failed. ③She has only a little room to live (live) in. ④The ability to express (express) an idea is as important as the idea itself. (2)完成句子 ⑤I can speak fluent English and I am the first student in my class to go abroad for further study. 我能说一口流利的英语，我是班上第一个出国深造的学生。 ⑥I have the ability to keep the class in order because the experience of being a monitor for many years has made me a brilliant organizer. 我有能力使班级秩序井然，因为多年当班长的经验已经使我成为一个优秀的组织者。 2．句式提炼：no matter how引导的让步状语从句 (教材P62)The sacrifice of the Challenger calls to us, reminding us that we must continue to reach for the stars, no matter how distant they might seem. “挑战者”号的牺牲召唤着、提醒着我们，不管星空看起来多么遥不可及，我们都要持之以恒地去探索。 [句式分析]　本句是主从复合句。句中no matter how 引导让步状语从句。 ◆[佳句感知] No matter how old you are，you can sign up for the match. 无论你有多大，你都可以报名参加这场比赛。 [知识积累] (1)no matter how/when/where引导让步状语从句，相当于however，whenever，wherever。 (2)whatever，whoever，whichever，whomever既可引导名词性从句，也可引导让步状语从句；在引导让步状语从句时相当于no matter what/who/which/whom。 (3)“no matter＋疑问词”只能引导让步状语从句，可放在主句前或主句后。 ◆[学以致用] (1)单句语法填空 ①No matter what you do，you should put your heart into it. ②No matter which road you take，it will lead you to the station. ③Whatever she says will not make any difference to our arrangements. (2)完成句子 ④Whenever/No matter when you need help，I sincerely hope that you can get in touch with me without hesitation. 无论你何时需要帮助，我真诚地希望你能毫不犹豫地联系我。 ⑤However/No matter how busy I am，I will spare some time every day to help the exchange students from the USA with Chinese and tell them more about our customs and traditions. 无论我多么忙，每天我都会匀出一些时间帮助来自美国的交换生学习汉语，并且告诉他们更多的中国习俗和传统。 ⑥Whoever breaks the law will be punished. 任何人触犯法律都会受到惩罚。 $