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配套课件PPT（译林版）

该高中英语课件围绕虚拟现实（VR）主题，系统涵盖词汇与句式核心知识，通过课前词汇默写导入，经“阅读单词-重点单词-活用单词-拓展构词-高级词块”分层学习及核心词汇深度解析，再到重点句式解构（含before句式、状语从句省略等）的句法训练与仿写，结合随堂融通训练和课时检测，构建从基础到应用的学习支架。 其亮点在于采用分层递进的词汇教学与“句法训练+仿写”的句式学习模式，通过“engage”等词汇的用法感知与归纳、“before”句式的高考真题仿写等实例，培养学生语言能力（词汇句式应用）、思维品质（分析与创造）和学习能力（语篇综合训练）。学生能系统掌握知识提升运用能力，教师可依托分层资源高效实施教学。

Section Ⅵ　“Extended reading” 的新知学习环节 目 录 NO.1 课前词汇默写 NO.2 核心词汇突破 NO.3 重点句式解构 课时检测 NO.4 随堂融通训练 课前词汇默写 NO.1 一、阅读单词——知其义 1．a standard definition　　　　 标准_____ 2．wear a VR headset 佩戴VR_____ 3．the temperature sensor 温度_______ 4．a fully immersive environment 一个完全_________环境 5．fine-tune the hardware and software _____硬件和软件 定义 耳机 传感器 沉浸式的 调试 二、重点单词——写其形 1．look after the ______ 照顾那对双胞胎 2．your own ______ reality _____ 你自己的虚拟现实克隆人 4．be _________ about the future of VR 对VR的未来抱有乐观心态 twins virtual clone barriers barrier optimistic 三、活用单词——悉其变 practise practical academic academy engage engagement initial initially 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．_________________　　 处于最前列，进入重要地位 2．_____ 在于 3．________________ 配备有……，装备有…… 4．________ 许多，大量 5．____________ 与……互动 at the forefront of lie in be equipped with a host of interact with 6．_______________________ 　　 做某事的方法 7．___________ 归结为，基本问题是 8．__________ 清楚 9．____________ 就……来说；从……角度 10．_________ 提供 the approach to doing sth. boil down to figure out in terms of ... serve up 核心词汇突破 NO.2 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 ________________ 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 _________________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 _______________________________. 那家公司成为公众注意的焦点。 at the forefront of to the forefront of to the forefront of public attention 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 ____________(engage) for next week, but owing to unexpected circumstances, it has to sign off. ②They engaged the girl ___an interpreter at the meeting. ③His father engaged a tutor __________(improve) his maths and it worked well. engagement as to improve (2)替换加蓝词汇 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 _____and the flame burnt a hole in the kettle. ②The original speech I had written got boiled _______to about ten minutes. ③Their small argument boiled _____ into a serious quarrel. ④Lava boiled ___from the crater of the volcano. away down over up 重点句式解构 NO.3 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 ______ you're back on your feet again. ②Almost everyone in the restaurant was smoking and it wasn't long before the whole room ____ (be) filled with smoke. ③We will get the results after months. →______________________ we get the results. before was It will be months before (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。 _____________________ 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, ___________________ I mastered the correct pronunciation skills. It won't be long before it wasn't long before 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, ________________, could lead to more serious ones when they become adults. ②When you are crossing the street, you should be careful. →______________________ , you should be careful. if left unchecked When crossing the street (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。 ___________________________, 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, ______________________whether to finish, “I am — I am deaf.” While climbing the mountain as though hesitating ★“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 _________________ 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________________. what he should do 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 ________________________. 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 ____________ for a breath of fresh air and wide open spaces？ what to do and how to do it where to go 随堂融通训练 NO.4 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, ①______ means “reality that is not real”．When you wear a VR headset equipped with sensors and a screen, you ②_______________ (surround) by three-D images, sounds and other sensory information, which creates a super-realistic effect ③______ (call)“presence”．VR is widely used in which are surrounded called education and developed technical industries such as medicine.Besides, it also affects the different ④________ (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 ⑤___ three things — time, cost and technical limitations.We will need time ⑥___________ (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 aspects to to develop 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. ⑦____________ (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 ⑧_________ (where) they are.Indeed we are only limited by our ⑨___________ (imagine)． Considering wherever imagination 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 ⑩__________ (possible) today. impossible 课时检测 第Ⅰ卷　语言基础训练 (一)单词拼写(4分) (1)People remaining __________(乐观的) strive for their own dreams persistently through thick and thin. (2)She had lots of _________(障碍) that made running difficult for her such as asthma (哮喘) and being overweight. optimistic barriers (3)A good lecturer should learn some skills to __________(吸引) the attention of audience. (4)The first mammal to be _______(克隆) successfully from an adult cell was Dolly the sheep. engage cloned (二)单句语法填空(8分) (5)The speed of 6G will exceed 125GB/s, allowing for a new generation of _______(virtually) reality. (6)After looking over my plan, the manager hoped I could come up with a better and more _________(practice) one. (7)Curiosity, as is revealed in research, is vital to students' good _________(academy) performance. (8)The death toll was ________(initial) reported at around 250, but was later revised to 300. virtual practical academic initially (三)选词填空(12分) figure out， be equipped with， a host of， in terms of， at the forefront of， boil down t (9)His team is ________________ scientific research into vaccines. (10)Over the past 20 years, the team has cultivated _____________ remarkable players. (11)In all, they ______________ten problems, or ten major relationships. at the forefront of a host of boil down to (12)Correct all these sentences ____________ grammar, spelling, etc., so that she can use them properly. (13)I can't _____________what it is that makes him so depressed recently. (14)Every school should _________________ an adequate number of multimedia devices. in terms of figure out be equipped with (四)完成句子(10分) (15)The girl has a great interest in sports and _________________ _____________________________over the last three years.(现在完成进行时) 这个女孩对运动有很大的兴趣，在过去的三年里每周上两次羽毛球课。 has been taking badminton classes twice a week (16)____________________________________ a new job, I discouraged him from giving up the job.(considering) 考虑到找新工作的困难，我劝他不要放弃那份工作。 (17)He says _____________________ he is ready for his senior high school.(before) 他说过不了多久他就能为高中生活做好准备。 Considering the difficulty of looking for it won't be long before (18)People in China _________________________________________ during the Spring Festival.(make＋it＋n.＋to do sth.) 中国人在春节期间走亲访友已成为一个惯例。 (19)_________________________ over there? Let's have a try.(what if) 要是我们把画移到那儿会怎么样？让我们试试。 make it a rule to visit relatives and friends What if we move the picture 第Ⅱ卷　语篇综合训练 (一)阅读七选五 Agriculture has come a long way from its ancient beginnings.Long ago, farmers would work hard on their individual plots of land, using simple tools or even their bare hands.They tended to their crops for many hours each day so that the crops grew well. 1 For example, a single storm could destroy a whole year's work, while a summer of good weather could ensure a good harvest. Modern science and technology have helped to greatly reduce the back-breaking labour involved in farming, along with the reliance on luck and guesswork. 2 Probably one of the most beneficial innovations is drip irrigation, which has made it possible to develop big, green farms in the middle of the desert.Simcha Blass, an Israeli scientist, discovered this new way of irrigation in the 1930s.Through this discovery, farmers can now produce crops on dry land without needing much water. 3 The limited and focused use of just the right amount of water also denies moisture (水分) to weeds, keeping them from harming the crops. 4 However, what if an area has plenty of water, but little usable soil? As it turns out, it is possible to grow plants without using soil at all.With hydroponics (水培), plant roots are supported by rocks or a fiber mat.Nutrient-rich water is then provided so that the plants can grow.Recent research has centered on vertical hydroponics farming.With a vertical farm, the crops are planted in containers that are piled into plant skyscrapers. 5 With such technological advances, the image of a farmer pushing a plough will eventually become a thing of the past. A．Luck played a great part in farming. B．Some areas would be too dry to grow crops. C．Drip irrigation deals with a lack of water in an area. D．There have been experiments to make drip irrigation a reality. E．This irrigation method uses far less water than other methods. F．Furthermore, nearly all hydroponic farms partially or fully automated. G．Farmers have benefited greatly from innovations in crop production. 语篇解读：本文是一篇说明文。文章介绍了科学技术在农业中的应用，以及滴灌和水培农业及其优点。 1．选A　上文指出农民们为了庄稼长得好，每天要花好几个小时照料庄稼，下文以具体例子说明，突发天气状况会影响收成。由此可推知，空处应指出古代农业收成好坏也靠运气，故A项“运气在农业中起了很大的作用”承上启下，符合语境。 2．选G　上文指出现代科技给农业带来的好处，故G项“农民从农作物生产的创新中获益匪浅”承接上文，符合语境。 3．选E　上文指出滴灌的优点，农民不仅可以在旱地上种植，而且不需要太多水，下文提到滴灌使用有限而集中的水对农业的好处，故E项“这种灌溉方法比其他方法用水少得多”承上启下，符合语境。 4．选C　根据下文的“However”可知，空处和下文是对比关系，且结合上段提到用水少的滴灌可知，空处应该是对上文进行总结，同时和下文进行对比，即用滴灌能解决缺水地区的农业问题和水培能解决水多地区的问题作对比，故C项“滴灌解决了一个地区缺水的问题”符合语境。 5．选F　上文提出最近的研究都在垂直水培农业上，同时描述了垂直水培农作物的一些情况，空处应该继续描写垂直水培农作物的一些相关内容，故F项“此外，几乎所有的水培农场都部分或全部自动化”符合语境。 (二)完形填空 A 17-year-old teenager, Anika Puri, has invented a low-cost tool to spot elephant poachers (偷猎者) in real time.She won the 2022 Peggy Scripps Award for Science Communication for her model of a machine-learning-driven software that 6 movement patterns in thermal videos of humans and elephants.“I'm especially excited by the 7 focusing on endangered species and environmental science，” Puri said. During a recent trip to India, Puri realized that elephants were still being 8 for their tusks (牙)．“I was quite taken aback，” Puri said.“Because I always thought, ‘Well, poaching is 9 ； how come it really is still such a big 10 ？’” Over the next two years, Puri 11 the software EISa (short for elephant savior)．This wildlife poacher detection solution is based on a 12 process: an EISa camera attached to a mobile phone 13 over a park on a drone and 14 the movements of elephants or humans.The software is four times more 15 than existing state-of-the-art detection methods.It also decreases the 16 for expensive high-resolution thermal cameras. The 17-year-old's invention has earned 17 from notable scientists.“Puri's software is quite admirable，” says Jasper Eikelboom, an ecologist. “It's quite 18 that a senor high school student has been able to 19 something like this.Not only the research and the analysis, but also being able to 20 it in the models.” 语篇解读：本文是一篇说明文。文章主要介绍了17岁的少年安妮卡·普里发明了一种低成本的工具，可以实时检测大象偷猎者。 6．A.analyzes　　　　　　 B．changes C．repeats D．draws √ 解析：根据后文“movement patterns in thermal videos of humans and elephants”可知，此处指分析运动模式。 7．A.discovery B．invention C．theory D．concept √ 解析：根据后文“The 17-year-old's invention”可知，Puri对专注于濒危物种和环境科学的发明很兴奋。 8．A.trained B．protected C．killed D．raised √ 解析：根据后文“for their tusks”可知，大象仍在被猎杀以获取象牙。 9．A.dangerous B．harmful C．unnecessary D．illegal √ 解析：根据上文“poaching is”可知，此处指偷猎是非法的。 10．A.issue B．business C．burden D．effect √ 解析：根据上下文可知，此处指非法偷猎这一问题。 11．A.used B．created C．downloaded D．sold √ 解析：结合后文“The 17-year-old's invention”可知，这个软件是他创造的。 12．A.similar B．natural C．simple D．gradual √ 解析：根据后文“an EISa camera attached to a mobile phone”可知，过程只需要一个连接在手机上的EISa摄像头在无人机上飞过公园，很简单。 13．A.passes B．spreads C．jumps D．flies 解析：根据后文“over a park on a drone”可知，此处表示无人机飞过公园。 √ 14．A.detects B．controls C．stops D．directs 解析：根据后文“the movements of elephants or humans”可知，此处指无人机检测大象或人类的运动。 √ 15．A.expensive B．accurate C．active D．complex 解析：根据前后文语境可知，此处指该软件比现有的最先进的检测方法准确4倍。 √ √ 16．A.wish B．value C．need D．preparation 解析：根据后文“for expensive high-resolution thermal cameras”可知，软件只需要无人机，即还减少了对昂贵的高分辨率热感摄像机的需求。 √ 17．A.income B．praise C．qualification D．confidence 解析：根据后文“Puri's software is quite admirable”可知，该发明受到了著名科学家的赞扬。 √ 18．A.strange B．essential C．mysterious D．remarkable 解析：结合上文“Puri's software is quite admirable”可知，科学家认为他的发明是出色卓越的。 √ 19．A.achieve B．record C．imagine D．learn 解析：根据后文“something like this.Not only the research and the analysis, but also being able to”可知，此处表示取得这样的成就。 √ 20．A.absorb B．repair C．mix D．apply 解析：根据后文“it in the models”可知，此处表示应用到模型中。 本课结束 更多精彩内容请登录：www.zghkt.cn $