UNIT 5 Section Ⅲ（课件PPT）-【精讲精练】2026-2027学年高中英语选择性必修第一册（人教版）

该高中英语课件围绕Unit 5 Working the Land主题，聚焦农业发展相关语篇理解、核心词汇（如in turn, essential）及重点句型（not only...but also...等），通过语篇问题导入，衔接语篇分析与语言知识，构建从理解到应用的学习支架。 其亮点在于融合语言能力与思维品质培养，通过即时训练结合高考真题（如2021浙江卷、2022天津卷），强化词汇句型应用与语篇逻辑分析。采用讲练结合的学科特色方法，助力学生巩固知识提升应试能力，为教师提供系统教学资源提高教学效率。

Unit 5　Working the Land 主题语境——人与社会之研究之伟大成就 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land Section Ⅲ　Using Language 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 目 录 01 CONTENTS 04 语篇理解·要点领悟 课时作业·知能达标 02 核心知识·关键能力 03 随堂演练·巩固提升 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 语篇理解·要点领悟 01 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 核心知识·关键能力 02 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land in to take It was my turn to deliver a speech. It turned out that 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land it's essential for you to take advantage of time should learn how to distinguish right from wrong 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land communicating had no alternative but to give in 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land depth deeply broaden 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land is not only the political center but also the economic center of our Not only does ocean offer us plenty of food, country 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land leaving to find making it easier to improve ourselves 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 随堂演练·巩固提升 03 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land find a suitable solution keep people and the environment as healthy as possible be rich in nutrition keep their soil rich and free of disease switch to organic farming put down deep roots 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land as for chemical fertilisers underground water sources harm both the land and people's health chemical pesticides and artificial fertilisers 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land organic aspects digest poverty making it more convenient for people to travel around China 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land make better use of alternative energy 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land 谢谢观看 返回目录 英语·选择性必修 第一册(配RJ版) 1 Unit 5　Working the Land Choose the best answers according to the text. 1．Why did many farmers welcome the introduction of chemical farming? A．They can fight crop disease and increase production. B．They harm both the land and people's health. C．They can help produce rich soil. D．They are not expensive. 2．What concerns many people about the use of pesticides? A．Pesticides can damage the land. B．Chemicals can stay in the soil for a long time. C．Pesticides can kill harmful bacteria and insects. D．Chemicals may make people ill and even cause cancer. 3．Why do organic farmers change the kind of crop grown in each field every few years? A．It helps put important minerals back into the ground. B．It can avoid damage to the environment. C．It can help increase output. D．The writer didn't tell us. 4．Why can't we stop the use of man­made chemicals in agriculture entirely? A．Organic farming cost us a lot of money. B．Organic farming can meet people's need. C．Chemical farming brought us huge profit. D．Chemical farming helps serve the need for food. 答案　1～4　ADAD [核心词汇·练透] [经典佳句]　Exchanging opinions helps friends better understand one another, which in turn strengthens ties between friends. 交流观点有助于朋友更好地理解对方，这反过来又增强了朋友间的联系。 (1)by turns　轮流；交替地 take turns to do sth 轮流做某事 It is one's turn to do sth. 轮到某人做某事。 (2)turn down 调低；拒绝 turn out 结果是 [即时训练] 单句语法填空/完成句子 ①The audience reacted warmly and excitedly as each of the women spoke __ turn. ②When my mother was ill, my brothers took turns _______(take) care of her. ③轮到我做演讲了。结果我鼓舞人心的演讲吸引了所有的师生，这使我欣喜若狂。 ______________________________________________________ my inspiring speech appealed to all the students and teachers，which made me wild with joy. [经典佳句]　Good health is essential to everyone, without which one can hardly live a happy life. 健康对每一个人都很重要， 没有健康就无法过上幸福的生活。 be essential to/for对……很重要 It is essential that...(should) do... 做……是完全必要的。 It is essential for sb to do... 对某人来说做……是完全必要的。 [即时训练]　 完成句子 ①此外， 对你来说利用时间学习是完全必要的。 Additionally, _______________________________________________to study. ②孩子们从小就学会明辨是非是很重要的。 It is essential that children __________________________________________ from a young age. [经典佳句]　I feel we can have electric bikes as an alternative means of transportation. 我认为我们可以用电动车作为一种替代的交通方式。 (1)have no alternative but to do sth ＝have no choice but to do sth ＝have no option but to do sth 别无选择只好做某事 an alternative to (doing) sth (做)某事/某物的替代品 (2) alternatively adv. 可供选择地 [即时训练]　单句语法填空/完成句子 ①The Internet also provides us with a cheap alternative to _____________ (communicate) with others. ②意识到爸爸买一辆新卡车有困难，我别无选择只能交出我挣的所有钱。(2021·浙江6月卷，读后续写) Realizing that my father had difficulty buying a new truck，I _______________ ________________ all the money I had made. [经典佳句]　She had resumed the travel to add depth and colour to her novels. 她重新开始旅行以给她的小说增加深度和趣味。 (1)in depth 　完全地， 深入地 (2)deep adj. 深的 deeply adv. 深深地 deepen vt. 深化 [即时训练]　 单句语法填空 ①We have expressed the _____(deep) of our gratitude to them. ②It is not only your enthusiasm but also your teamwork and good spirits that impress us ______(deep)． ③College students can gain social experience and _______(broad) their horizons because of doing part­time jobs. [重点句型·通关] 例如，农药不仅可以杀死有害的细菌和昆虫，也会杀死有益的细菌和昆虫，从而破坏土地。(1)“not only...but (also)．..”意为“不仅……而且……”，其中also可以省略。 (2)“not only...but (also)．..”连接的两个并列成分作主语时，谓语动词的数遵循“就近原则”。 [句式分析]　not only...but (also)．..不仅……而且……。 [即时训练]　完成句子/句式升级 ①北京不仅是我国的政治中心，而且是我国的经济中心。 Beijing ___________________________________________________________ ______________．(2021·天津卷3月) ②Ocean not only offers us plenty of food, but also it maintains the balance of nature. (2022·全国甲卷，书面表达) →_____________________________________________but also it maintains the balance of nature.(倒装) 种植不同作物是因为它们把重要的矿物质释放回土壤，使其为下一批作物生长作好准备。 (1)动词­ing(短语)作结果状语，表示自然而然的、意料之中的结果； (2)动词不定式(短语)作结果状语，表示偶然的、意料之外的结果，且前面常有only修饰。 [句式分析]　动词­ing(短语)作结果状语，表示一种自然而然的结果。 [即时训练]　 单句语法填空/完成句子 ①I have been busy making preparations for the final exam, _______(leave) me not much time to communicate with my family or hang out with my friends. ②Jane left alone with extreme anger，only ________ (find) that she was lost in the unfamiliar forest. (读后续写之愤怒心理描写) ③我们正在利用各种在线课程进行深度学习，从而更容易地提高自己。 We are taking advantage of various online programs for further study, _____________________________________． Ⅰ.教材语块必备 1．________________________ 找到一个合适的解决方案 2．______________________________________________________ 保持人们和环境尽可能地健康 3．____________________ 富有营养 4．________________________________________ 保持土壤肥沃和免受病害 5．_________________________ 转向有机耕作 6．___________________ 扎根很深 7．___________________________ 至于化肥 8．_________________________ 地下水源 9．______________________________________ 损害土地和人们的健康 10．______________________________________________ 化学农药和人工肥料 Ⅱ.单词拼写/完成句子 1．As is reported，_______ (有机的) farming is expanding everywhere. 2．To my amazement, his opinion is similar to mine in many _______ (方面)． 3．The meat is nice, but it is hard to ______ (消化) for such a little baby. 4．Just as the saying goes，“Nothing is to be got without pains but _______ (贫穷)．” 5．更多的高速公路被建设完成，这使人们到中国各地旅行更加方便。 More highways have been built, ____________________________________ _______________________． 6．我们必须更好地利用可替代能源，比如太阳能和风能。 We should _____________________________________，such as solar and wind power. $