Unit 4 Section Ⅵ “Extended reading”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二册教师用书word（译林版）

本讲义聚焦虚拟现实（VR）主题的英语新知学习，系统梳理从基础词汇（如definition, headset）到构词规律（v.+ment→n.）、高级词块（如at the forefront of, boil down to）及核心句式（before句式、状语从句省略、“疑问词+不定式”）的递进式知识脉络，搭建从词汇积累到语言应用的学习支架。 该资料以分层设计提升核心素养，语言能力方面通过词汇分层（知其义、写其形、悉其变）和词块应用（如“at the forefront of”结合环保主题佳句）强化语言理解与表达，思维品质上句式讲解采用“句法训练+仿写”（如before句式仿写全球变暖例句）培养分析创造能力。课中辅助教师系统授课，课后语法填空和仿写练习助力学生巩固查漏，提升学习效率。

Section Ⅵ　“Extended reading”的新知学习环节 一、阅读单词——知其义 1．a standard definition　　　　 标准定义 2．wear a VR headset 佩戴VR耳机 3．the temperature sensor 温度传感器 4．a fully immersive environment 一个完全沉浸式的环境 5．fine-tune the hardware and software 调试硬件和软件 二、重点单词——写其形 1．look after the twins 照顾那对双胞胎 2．your own virtual reality_clone 你自己的虚拟现实克隆人 3. 4．be optimistic_about the future of VR 对VR的未来抱有乐观心态 三、活用单词——悉其变 1. 2. 3. 4. 四、拓展构词——明其规(依据规律串记单词) engagement：“v.＋-ment”→n.　 ①judge→judgement　　　　　　 评价；审判 ②excite→excitement 兴奋，激动 ③improve→improvement 改善；改进 ④manage→management 经营；管理 五、高级词块——通其用 1．at_the_forefront_of　　 处于最前列，进入重要地位 2．lie_in 在于 3．be_equipped_with 配备有……，装备有…… 4．a_host_of 许多，大量 5．interact_with 与……互动 6．the_approach_to_doing_sth. 　　　 做某事的方法 7．boil_down_to 归结为，基本问题是 8．figure_out 清楚 9．in_terms_of_... 就……来说；从……角度 10．serve_up 提供 1．Frank, you've been working at the forefront of developments in virtual reality for many years.　弗兰克，你在虚拟现实(VR)的前沿开发领域已经耕耘了很多年。 ★at the forefront of处于最前列，进入重要地位 |用|法|感|知| •(“环境保护”主题佳句)We have been at the forefront of the environmental protection movement for decades. 几十年来，我们一直处在环境保护运动的前沿。 •The company has always been to the forefront of science and technology. 该公司在科学技术方面始终处于领先地位。 [归纳点拨] in/to the forefront of　 处于最前列，进入重要地位 at/in/to the forefront of sb.'s mind/attention 是某人首先考虑/注意到的事情　　　　 |应|用|融|会| (完成句子) ①Positive thinking is at_the_forefront_of every great success story. 积极思考是每一个伟大的成功故事的首要前提。 ②The new product took the company to_the_forefront_of the computer software field. 该新产品使这家公司跻身计算机软件业的前列。 ③The company was brought to_the_forefront_of_public_attention. 那家公司成为公众注意的焦点。 2．By delivering the content in a meaningful way, this new approach to learning manages to engage students' interest and enhance learning efficiency. 这种新的学习手段以一种富有意义的方式呈现内容，能够吸引学生的兴趣并且提高学习效率。 ★engage vt.& vi.吸引住(注意力、兴趣)；雇用，聘用；与……建立密切关系 |用|法|感|知| •It is a movie that engages both the mind and the eye. 这是一部令人赏心悦目的影片。 •(“活动介绍”佳句)The program aims to encourage students to engage themselves in protecting the environment. 该项目旨在鼓励学生参与保护环境。 •We are now engaged in a great and most glorious cause, never undertaken by our forefathers. 我们现在正在从事我们的前辈从来没有做过的极其伟大和光荣的事业。 [归纳点拨] (1)engage sb./oneself in ... 使某人/自己参与…… engage sb.as ... 雇用某人作为…… engage sb.to do sth. 聘请某人做某事 (2)engaged adj. 忙于，从事于；被占用的，使用中的 be engaged in ... 忙于……；专注于 (3)engagement n. 订婚；约定；(与……的)密切关系 |应|用|融|会| (1)单句语法填空 ①He has a speaking engagement (engage) for next week, but owing to unexpected circumstances, it has to sign off. ②They engaged the girl as an interpreter at the meeting. ③His father engaged a tutor to_improve (improve) his maths and it worked well. (2)替换加黑词汇 ④He was buried in his books and almost ran into the car in front of him.engaged 3．It really boils down to three things — time, cost and technical limitations. 其实说到底就三个方面——时间、费用和技术局限。 ★boil down to归结为，基本问题是 |用|法|感|知| •(“语言学习”主题佳句)Learning English can boil down to three simple factors: persistence, proper ways and good teachers.　学习英语能总结为三个简单的因素：坚持、恰当的方法和好的老师。 •Can you boil down the facts to a short statement? 你能把这些事实写成一个简短的声明吗？ [归纳点拨] boil away　　　　 烧干，煮干 boil sth.down 压缩；概括；归纳 boil over 溢出；怒火中烧；恶化；爆发 boil up (局势、情绪等)进入危急关头，令人担忧 boil ...up 煮沸；把(液体或食物)烧开；(使)沸腾而出　 |应|用|融|会| (单句语法填空) ①When I returned, the water had all boiled away and the flame burnt a hole in the kettle. ②The original speech I had written got boiled down to about ten minutes. ③Their small argument boiled over into a serious quarrel. ④Lava boiled up from the crater of the volcano. 1．It won't be long before virtual museums and interactive three-D exhibitions become common. 用不了多久，虚拟博物馆和交互式三维展览就会变得司空见惯。 含before 的常用句式有： (1)It won't be long before ...“用不了多久就会……”(before从句用一般现在时)。 (2)It wasn't long before ...“没过多久就……”(before从句用一般过去时)。 (3)It will be＋一段时间＋before ...“要过若干时间之后才……”(before从句用一般现在时)。 (4)It was＋一段时间＋before ...“过了若干时间才……”(before从句用一般过去时)。 “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/句型转换) ①We're sure it won't be long before you're back on your feet again. ②Almost everyone in the restaurant was smoking and it wasn't long before the whole room was (be) filled with smoke. ③We will get the results after months. →It_will_be_months_before we get the results. (2)通过“句式仿写”做到熟练运用 ④过不了多久，全球变暖就会导致海洋生态系统中的珊瑚礁减少99%以上。 It_won't_be_long_before global warming causes coral reefs to decline by more than 99% in ecosystems. ⑤(2023·全国乙卷书面表达)由于一位经验丰富的音乐老师帮助我进行了一些声乐训练，没过多久我就掌握了正确的发音技巧。 Since an experienced music teacher helped me with some vocal training, it_wasn't_long_before I mastered the correct pronunciation skills. 2．Also, people who want to go on holiday will have the opportunity to take a virtual tour of several destinations before deciding where to go. 此外，想要出门度假的人们将有机会以虚拟的方式游览一些目的地，然后再决定去哪儿。 ★状语从句的省略 (1)before deciding为before引导的时间状语从句的省略形式，before后省略了they are。 (2)当when、 while、 before、 if、 unless、 once等引导状语从句时，若从句的主语与主句的主语一致或从句主语是it且从句的谓语部分含be动词的某种形式时，从句的主语和be动词可以省略。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①These bad habits, if they are left unchecked, could lead to more serious ones when they become adults. →These bad habits, if_left_unchecked,_could lead to more serious ones when they become adults. ②When you are crossing the street, you should be careful. →When_crossing_the_street,_you should be careful. (2)通过“句式仿写”做到熟练运用 ③爬山时，我们感受到了温暖的阳光，欣赏到了美丽的风景。 While_climbing_the_mountain,_we enjoyed the warm sunshine and the beautiful view. ④“但是！”他说，好像在犹豫是否要说完，“我是……我是个聋人。” “But！” he said, as_though_hesitating whether to finish, “I am — I am deaf.” ★“特殊疑问词＋不定式”结构 (1)where to go为“特殊疑问词＋不定式”结构，该结构在句中可作主语、宾语或表语；疑问词包括疑问代词(who、 what、 which)和疑问副词(when、 where、 how)。 (2)能接“特殊疑问词＋不定式”结构作宾语的常见动词有：advise、 ask、 consider、 decide、 discuss、 tell、 show等。这一结构有时也可用于介词后面作宾语。 (3)“特殊疑问词＋不定式”结构可转换为特殊疑问词引导的从句。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①The boy is too young to know what to do in trouble. →The boy is too young to know what_he_should_do in trouble. ②With their interest greatly sparked, I then began to teach them how they can make tea. →With their interest greatly sparked, I then began to teach them how_to_make_tea. (2)通过“句式仿写”做到熟练运用 ③他们总是告诉我该做什么以及怎么做。 They always told me what_to_do_and_how_to_do_it. ④你知道在哪儿能呼吸到新鲜空气、拥有开阔的室外空间吗？ Do you know where_to_go for a breath of fresh air and wide open spaces？ 课文缩写语法填空 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 basic definition of VR lies in the name itself, ①which means “reality that is not real”．When you wear a VR headset equipped with sensors and a screen, you ②are_surrounded (surround) by three-D images, sounds and other sensory information, which creates a super-realistic effect ③called (call)“presence”．VR is widely used in education and developed technical industries such as medicine.Besides, it also affects the different ④aspects (aspect) of our everyday lives, such as entertainment, shopping and travelling.At the same time, there are some barriers to the development of VR.It boils down ⑤to three things — time, cost and technical limitations.We will need time ⑥to_develop (develop) and fine-tune the hardware and software.The initial cost will discourage most people in the beginning but that should be fixed over time.The last issue is the technical limitations.Just trying to figure out how to do what we want in terms of technology will prove challenging in some areas.Despite so many challenges to deal with, the future of VR is still optimistic.⑦Considering (consider) its quick rate of evolution, the possibilities seem endless.For example, 5G technology, with its potential to serve up more stable mobile connectivity at faster speed, will make it possible for people to enjoy a more immersive VR experience ⑧wherever (where) they are.Indeed we are only limited by our ⑨imagination (imagine)．Young people today are digital citizens who are comfortable with technology.They're well equipped to become part of a technological generation that will develop and use VR to do things we might think ⑩impossible (possible) today. 学科网（北京）股份有限公司 $