UNIT 4 Section Ⅵ “Extended reading”的新知学习环节(课件PPT)-【新课程学案】2024-2025学年高中英语选择性必修第二册（译林版2020）

Section Ⅵ　“Extended reading” 的新知学习环节 目 录 NO.1 积词汇 / 由记准到用活 NO.2 通句式 / 由规则到熟用 课时检测 积词汇 / 由记准到用活 NO.1 新学词汇•归类记清 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 3．stand behind 站在障碍物后面 4．be about the future of VR 对VR的未来抱有乐观心态 twins virtual clone barriers optimistic 三、活用单词——悉其变 engage engagement practise practical academic academy initial initially 四、拓展构词——明其规 engagement：“v.＋-ment”→n. [依“规”串记] 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． 弄清楚 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 重点词汇•深化学习 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] ①(“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。 ②The 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) ③Positive 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。 ④The 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。 ⑤The 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] ①It is a movie that engages both the mind and the eye. 这是一部令人赏心悦目的影片。 ②(“活动介绍”类佳句)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。 ③We 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 ④He has a speaking (engage) for next week, but owing to unexpected circumstances, it has to sign off. ⑤They engaged the girl an interpreter at the meeting. ⑥His father engaged a tutor (improve) his maths and it worked well. engagement as to improve (2)替换加蓝词汇 ⑦He 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] ①(“语言学习”类佳句)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。 ②Can 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) ③When I returned, the water had all boiled and the flame burnt a hole in the kettle. ④The original speech I had written got boiled to about ten minutes. ⑤Their small argument boiled into a serious quarrel. ⑥Lava boiled from the crater of the volcano. away down over up 通句式 / 由规则到熟用 NO.2 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. before 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. 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. It won't be long before 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 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 课时检测 Ⅰ.单词拼写 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 Ⅱ.单句语法填空 1．The speed of 6G will exceed 125GB/s, allowing for a new generation of (virtually) reality. 2．After looking over my plan, the manager hoped I could come up with a better and more (practice) one. virtual practical 3．Curiosity, as is revealed in research, is vital to students' good _________(academy) performance. 4．The death toll was (initial) reported at around 250, but was later revised to 300. academic initially Ⅲ.选词填空 figure out， be equipped with， a host of， in terms of， at the forefront of， boil down to 1．His team are scientific research into vaccines. 2．Over the past 20 years, the team has cultivated_____________ remarkable players. at the forefront of a host of 3．In all, they ten problems, or ten major relationships. 4．Correct all these sentences grammar, spelling, etc., so that she can use them properly. 5．I can't what it is that makes him so depressed recently. 6．Every school should an adequate number of multimedia devices. boil down to in terms of figure out be equipped with Ⅳ.完成句子 1．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。 2． 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。 has been taking badminton classes twice a week Considering the difficulty of looking for 3．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。 4．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。 it won't be long before make it a rule to visit relatives and friends 5． 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。 What if we move the picture Ⅴ.课文语法填空 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 education and developed technical industries such as medicine.Besides, which are surrounded called 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 limitations.Just trying to aspects to to develop 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 Considering wherever our ⑨ (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 ⑩ (possible) today. imagination impossible Ⅵ.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 1 movement patterns in thermal videos of humans and elephants.“I'm especially excited by the 2 focusing on endangered species and environmental science，” Puri said. During a recent trip to India, Puri realized that elephants were still being 3 for their tusks (牙)．“I was quite taken aback，” Puri said.“Because I always thought, ‘well, poaching is 4 ； how come it really is still such a big 5 ？’” Over the next two years, Puri 6 the software EISa(short for elephant savior)．This wildlife poacher detection solution is based on a _7 process: an EISa camera attached to a mobile phone 8 over a park on a drone and 9 the movements of elephants or humans.The software is four times more 10 than existing state-of-the-art detection methods.It also decreases the 11 for expensive high-resolution thermal cameras. The 17-year-old's invention has eared 12 from notable scientists.“Puri's software is quite admirable，” says Jasper Eikelboom, an ecologist. “It's quite 13 that a senor high school student has been able to 14 something like this.Not only the research and the analysis, but also being able to 15 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。 √ 1．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。 √ 2．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。 √ 3．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。 √ 4．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。 √ 5．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。 √ 6．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。 √ 7．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。 √ 8．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。 √ 9．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。 √ 10．A.expensive B．accurate C．active D．complex 解析：根据前后文“The software is four times more than existing state-of-the-art detection methods.”可知，此处指该软件比现有的最先进的检测方法准确4倍。 √ 11．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。 √ 12．A.income B．praise C．qualification D．confidence 解析：根据后文“Puri's software is quite admirable”可知，发明受到了赞扬。 √ 13．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。 √ 14．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。 √ 15．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。 $$