Unit 6 Section Ⅱ “Understanding 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）

本讲义围绕太空探索主题，系统梳理阅读单词（如hazardous、rekindle）、重点单词（如scream、suspend）、构词规律（n. + -al→adj.）、高级词块（如set foot on、become accustomed to）及核心句式（there was no doubt that...），构建“词汇积累-构词拓展-句式应用-语用巩固”的学习支架，助力学生从基础认知到综合运用。 资料亮点在于分层设计词汇学习（知其义、写其形、悉其变）和句式讲解（用法感知+应用融会），提升语言能力；通过构词规律串记（如emotion→emotional）培养思维品质（归纳分析）；语法填空练习强化学习能力（策略运用）。实例如“become accustomed to”的用法练习，课中辅助教师系统授课，课后帮助学生回顾巩固，弥补知识盲点。

Section Ⅱ　“Understanding ideas”的新知学习环节 一、阅读单词——知其义 1．a vague notion　　　　　 一个模糊的概念 2．a hazardous undertaking 危险的任务 3．be replaced by the space shuttle 被航天飞机所代替 4．a pleasant excursion 一次怡人的短途出行 5．rekindle interest in the space programme重新激起(人们)对太空计划的兴趣 二、重点单词——写其形 1．cast a shadow on people's hearts给人们心里蒙上了阴影 2．scream with excitement 兴奋地喊叫着 3．be suspended for nearly three years 中止了近三年时间 4．the crew of Challenger “挑战者”号的机组人员 三、活用单词——悉其变 1. 2. 3. 四、拓展构词——明其规(依据规律串记单词) exceptional：“n.＋­al”→adj.　 ①emotion→emotional　　　　情感的 ②tradition→traditional 传统的 ③nation→national 国家的 五、高级词块——通其用 1．set_foot_on　　　　　　 踏上；登上 2．become_accustomed_to 习惯于(做)某事 3．one's_heart_in_one's_mouth 提心吊胆；心提到了嗓子眼儿 4．aware_of 明白，了解；知道；意识到 5．go_wrong (情况)出岔子；出差错 6．one_giant_leap 一大步 7．make_it 获得成功 8．take_off 起飞；脱下 9．tune_in 收看；收听 10．a_sense_of_excitement 兴奋感 11．on_board 在船上(或飞机上、火车上) 12．go_into_shock 震惊；休克 13．cast_a_shadow_on/over 给……蒙上阴影 14．wave_to 向……挥手 15．take_one's_place 占有一席之地；代替；就位；名副其实 16．inspire_sb._to_do_sth. 激励某人做某事 17．call_to 呼唤 18．reach_for_the_stars 有摘星之志 1．Ever since Neil Armstrong first set foot on the Moon back on 20 July 1969, people have become accustomed to the notion of space travel. 自从1969年7月20日尼尔·阿姆斯特朗首次登月以来，人们已习惯于太空旅行这个概念。 ★become accustomed to习惯于(做)某事 |用|法|感|知| •My eyes slowly grew accustomed to the dark. 我的眼睛慢慢适应了黑暗。 •You ought to accustom yourself to getting up early. 你应该使自己习惯于早起。 •People in north China become accustomed to posting paper­cut on their windows. 在中国北方，人们习惯于在窗户上贴剪纸。 (1)be/become/get/grow accustomed to (doing) sth. 习惯于(做)某事 be/get used to (doing) sth. 习惯于(做)某事 (2)accustom sb./oneself to (doing) sth.使某人/自己习惯于(做)某事　　 |应|用|融|会| (单句语法填空/完成句子) ①Accustoming himself to living (live) in the countryside, Mr King found it hard to live in the city. ②He quickly got_(grew/became)_accustomed_to/accustomed_himself_to_the_strong _academic_atmosphere and colorful activities in the college. 他很快适应了大学里的浓厚的学术氛围和丰富多彩的活动。 2．The Challenger had exploded in mid­air and we all started screaming. “挑战者”号在半空中爆炸了，我们都开始尖叫。 ★scream v．(因疼痛、惊恐、兴奋等)尖声大叫 n．尖叫 |用|法|感|知| •When the winning goal was scored, the entire crowd screamed out with excitement, their cheers echoing through the stadium. 当制胜球被踢进时，全场观众因兴奋而尖叫，欢呼声在体育场内回荡。 •The scientists at the conference will scream for environmental protection. 出席会议的科学家们会强烈呼吁保护环境。 •Lucy let out a scream of terror when she saw the flood was coming towards them. 看到洪水正朝她们袭来，露西发出了惊恐的尖叫声。 (1)scream (out) in/with sth. (因伤痛、害怕、激动等)尖叫 scream (out) for sth./sb. (向某人或为某事)高声喊，大声叫 scream (sth.) (out) at sb. 朝某人大声喊叫 (2)let out a scream 尖叫　　 |应|用|融|会| (单句语法填空/完成句子) ①The boy screamed with excitement as I gave him a lovely toy dog. ②The sudden crash from the kitchen made_her_let_out_a_scream,_and she froze, not daring to move. 厨房里突然传来的碰撞声让她发出一声尖叫，她僵在原地，不敢动弹。 But there was never any doubt that manned flights would continue, and on 29 September 1988, the space shuttle programme resumed with the successful launch of Discovery. 但是毫无疑问，载人飞行绝不会就此停止。1988年9月29日，随着“发现”号的成功发射，航天飞机项目重新启动。 本句中的there was never any doubt that ...＝there was no doubt that ...“毫无疑问……”，that引导同位语从句，对doubt的内容进行解释说明，其中there不能用it代替。 (1)doubt作名词用时，若用在否定句和疑问句中，后面接that引导的同位语从句；若用在肯定句中，后面接whether引导的同位语从句。 (2)doubt作动词用时，若用在否定句和疑问句中，后面接that引导的宾语从句；若用于肯定句中，后面一般接if或whether引导的宾语从句。 “两层级”学通用活句式 (1)通过“句法训练”弄明句式结构(单句语法填空) ①There is still some doubt whether the autumn sports meet will be held in our school. ②I don't doubt that she can do it well, but I doubt whether/if she is willing to do it. (2)通过“句式仿写”做到熟练运用 ③毫无疑问，近视在我们国家的年轻人中是一个严重的问题。 There_is_never_any/no_doubt_that nearsightedness is a serious problem among the youth of our country. ④我正在为两个孩子和我自己打包午餐，突然我开始怀疑这样做是否必要。 I was packing lunch for my two children and myself when I suddenly began to doubt_if/_whether_this_was_necessary. 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。 After Apollo 11 successfully ①landed (land) on the Moon，people seemed to have become ②accustomed (accustom) to the notion of space travel. When the Challenger space shuttle took off ③on 28 January 1986, millions of people tuned in to witness its take­off on TV.It was so special because an ordinary teacher on board planned to give two lessons from orbit ④to_rekindle (rekindle) interest in the space programme. ⑤Tragically (tragic), the shuttle exploded just over a minute after ⑥its (it) taking off and all seven astronauts on board ⑦were_killed (kill)． The whole world were shocked at the ⑧loss(lose) of it.As a result, space shuttle flights were suspended for nearly three years, ⑨but manned flights would never stop. On 29 September 1988, the Discovery was successfully launched into space. In reality, humans have been trying to reach for the stars, ⑩however distant they might seem. 学科网（北京）股份有限公司 $