Unit 5 Working the Land Learning About Language课件 2026-2027学年英语新人教版选择性必修第一册

该高中英语课件围绕人教版选择性必修第一册Unit 5主题，聚焦词汇拓展与主语从句语法，通过替换练习、文本填空等任务导入，从基础词汇积累到语法规则讲解，搭建“词汇-语法-应用”的学习支架，衔接单元主题与语法知识。 其亮点在于融合语言能力与思维品质培养，词汇任务结合袁隆平等农业主题语境，语法练习通过例句对比（如that与what的区别）提升辨析能力，小组讨论用主语从句表达观点。采用任务型教学，小结清晰，助力学生语言运用与逻辑思维发展，为教师提供系统教学资源。

Subject Clauses Unit 5 Working the Land 人教版选择性必修第一册 Learning about Language Build up your vocabulary Part 1 Task 1 Replace the underlined words with the correct forms of the words from the text. 1. To deal with this crisis, he chose to study agriculture. 2. He is a very good actor and he commits himself to every role that he takes on. 3. Yuan Longping strongly believed that the answer could be found in the creation of hybrid rice. 4. Yuan Longping, through intense effort, solved enormous difficulties and developed the first hybrid rice that could be used for farming. 5. This hybrid enabled farmers to increase their output greatly. 6. Students are encouraged to try a variety of free-time activities to reduce the intense stress from studying. tackle devotes was convinced overcame leisure expand Task 2 Complete the sentences with the correct forms of the words from the text. Then use these words to make your own sentences. 1. The c___________ of a person are the special qualities that make him or her different from others. 2. Scientists from different countries have been pursuing various possibilities to overcome food s___________. 3. Many of us a___________ that earthquakes would never happen in our area. 4. With more and more farm machines being used in the fields, the c___________ of fuel has been increasing. haracteristics hortage ssume onsumption Task 2 Complete the sentences with the correct forms of the words from the text. Then use these words to make your own sentences. 5. Newspapers should pay less attention to media c___________ and more attention to our national heroes. 6. Our general manager tried his best to help overcome the difficulties we were facing during the financial c___________. 7. My mother is very c___________ and finds it hard to accept the modern lifestyle that I enjoy. 8. The government has decided to boost the programme to g___________ more new jobs. elebrities risis onventional enerate Task 3 Complete the news report below with the correct forms of the words and phrases in the box. tackle vision conventional deep down be comprised of reality consumption A vast underground shelter built during World War I has been turned into an urban farm, supplying supermarkets and restaurants in London. The shelter, which could protect up to 8,000 people from wartime bombs, _______________ two large tunnels that were intended to one day become an extension of the London Underground. But that never became ____ and the shelter was left for 70 years. Then businessmen decided to make use of it to grow green vegetables to meet increasing _____________ demands. The tunnels are lit with pink LEDs as there is no natural light below the ground. The vegetables are grown in special liquids instead of the earth that is used as in ____________ farming. Many experts share a _______ that this kind of urban farming could help not only in ________ the problem of population growth, but also in adapting to climate change. is comprised of real consumption conventional deep down vision tackling Discover Useful Structures Part 2 —Subject clauses Revision Attributive clause Noun clause Adverbial clause Subject clause Object clause Predicative clause Appositive clause Types of Sentence Simple sentences Compound sentences Complex sentences Subject clause 主语从句 CONTENTS 主语从句的引导词 2 it作形式主语 3 注意事项 4 书上习题 5 主语从句的定义 1 1. Definition Sophia has achieved her goal.　 We value every chance to learn.　 The disabled deserve our care and support. Reading widely broadens our horizons.　 To master grammar requires constant practice.　 What impressed me most was that they had all suffered a lot.　 总结： 主语是句子所说明的人或事物，一般放在______。 一个句子来充当_______叫主语从句。主语从句通常放在主句的_____动词之前，有时也由形式主语it代替，而本身放在句子末尾。 名词作主语 代词作主语 形容词作主语(the + 形容词表一类人) 动名词作主语 动词不定式作主语 句子作主语 句首 主语 谓语 Find out the subjects in the following sentences. 2. Conjunctions Conjunctions(连接词) Functions(成分) in the clause 从属连词 连接代词 连接副词 that，whether，if 不充当成分，that没有实际意义，whether和if意为“是否” what，who，whom，which，whose，whatever，whoever，whichever 主语、宾语、表语、定语 when，where，why，how，whenever，wherever，however 状语，表示时间、地点、原因、方式等 (1)从属连词：that，whether ①that引导主语从句时只起连接作用，在从句中不作任何成分，没有实际意义。但是，that不能省略。 1)That he is kind to that skinny child is clear to us. 我们都知道他对那个瘦瘦的孩子是友好的。 ②whether在从句中不充当句子成分，只起连接作用，意为“是否”。注意：if不可引导位于句首的主语从句，但可以用于it作形式主语的从句中，此时if＝whether，但此时if不能与or not直接连用。 2)转基因食物对我们是否有害有待观察。 Whether genetically-modified food does us harm remains to be seen. ＝ remains to be seen  genetically-modified food does us harm. It  whether/if (2)连接代词：who，whom，whose，what，which，whoever，whatever，whichever 等 连接代词在从句中作主语、宾语、表语或定语，起连接作用，有实际意义。 1) is bothering that girl isn’t known to us. 2) is worth doing at all is worth doing well. 3) of all those ways is the best is uncertain. 4) we should serve is a question of vital importance. 我们应当为谁服务是一个极为重要的问题。 5) carelessness spoilt the work must be made clear. 必须查清是谁的粗心破坏了工作。 6) will teach us to enlarge our vocabulary is still open to question. 谁会教我们扩大词汇量还有待讨论。 我们不知道什么正困扰着那个女孩。 凡是值得做的事都值得好好地做。 所有那些方法中哪一个最好还不确定。 What Whatever Which Whom Whose Who (3)连接副词：when，where，how，why，whenever，wherever等 连接副词在从句中常作状语，可表示时间、地点、方式和原因，起连接作用并且有实际意义。 1)When and where the meeting will take place has not been decided yet. 开会的时间和地点还未决定。 2)Why he is so obsessive about his appearance is still a puzzle. 他为何如此迷恋自己的外表仍然是个谜。 3)How he earned his living before is not clear to me. 我不清楚他以前是如何谋生的。 3. it作形式主语 当句子主语过长时，为保持句子平衡，避免头重脚轻，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型： 句型 说明 It＋系动词＋形容词＋主语从句 It＋系动词＋名词词组＋主语从句 It＋系动词＋过去分词＋主语从句 It＋不及物动词＋主语从句 常用于此句型的形容词有important，(un)likely，possible，necessary，natural，wrong, certain, fortunate, strange等。 常用于此句型的名词词组有a fact，an idea，an honour，a wonder，no wonder，a pity等。 常用于此句型的过去分词有known，proved，said，decided，suggested，thought等。 常用于此句型的动词有appear，happen，seem，occur，matter等。 3. it作形式主语 当句子主语过长时，为保持句子平衡，避免头重脚轻，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型： 句型①：It＋系动词＋形容词＋主语从句 1)It is important that we (should) form a healthy lifestyle. 句型②：It＋系动词＋名词词组＋主语从句 2)It is certain that she will make great progress. 3)It is a pity that you missed the sports meeting. 重要的是我们应该养成健康的生活方式。 她一定会取得很大进步。 4)It is no wonder that he won the competition. 很遗憾你错过了运动会。 难怪他赢得了比赛。 3. it作形式主语 当句子主语过长时，为保持句子平衡，避免头重脚轻，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型： 句型③：It＋系动词＋过去分词＋主语从句 1)It is known that reading can broaden our horizons. 句型④：It＋不及物动词＋主语从句 2)It is suggested that we (should) take enough sleep every day. 3)It matters whether we stick to our plan. 4)It seems that they have reached an agreement. 5)It turned out that we were wrong. 似乎他们已经达成了协议。 我们能否坚持计划很重要。 结果证明我们错了。 4. 注意事项 （1）从句的语序：在任何情况下，主语从句都用陈述句语序。 1)Where should we hold the activity remains unknown. 2)Where we should hold the activity remains unknown. （2）主谓一致 ①从句作主语时，主句的谓语一般用单数形式；但what和who引导主语从句时，有时主句谓语的数应与主句中作表语的名词保持一致。 3)When we shall have our sports meeting has not been decided. 4)What they need are books. 1. What surprised me most_______(be) that the man in rags was a millionaire. 2. What he needs most_______(be) money. 3. When and where the meeting will be held still __________(remain) a question. Practice 4. 注意事项 ②如果由and连接两个或两个以上的主语从句作主语时，谓语动词用复数； 1)When they will start and where they will go have not been decided yet. 他们什么时候动身以及要去哪里还没定下来。 2) How and why he came to this city is a story of struggle and success. 他如何以及为什么来到这个城市是一个充满奋斗和成功的故事。 ③由两个或多个连接词引导一个主语从句时，谓语动词用单数。 is is remains 4. 注意事项 （3）what 与 that在引导主语从句时的区别 1). _______ he said at the meeting is very important. 2). _______ we won the game is exciting news. 3). _______ we need is more practice. 4). _______ she passed the exam made her parents happy. What That That What what 既引导从句，又在从句中充当主语、宾语或表语，意为“所...的东西”; 而that 只引导从句，不在从句中充当成分。 Summary 一个句子来充当_______叫主语从句。主语从句通常放在主句的_____动词之前，有时也由形式主语it代替，而本身放在句子末尾。 主语 谓语 1.从属连词that, whether,不充当成分 2.连接代词what，who，whom，which，whose等，在从句中充当主语、宾语、表语、定语 3.连接副词when，where，why，how等，在从句作状语 Subject clauses Definition Conjunctions it作形式主语 注意事项 1.在任何情况下，主语从句都用陈述句语序。 2.主谓一致问题 3.what 与 that在引导主语从句时的区别 句型③：It＋系动词＋过去分词＋主语从句 句型④：It＋不及物动词＋主语从句 句型①：It＋系动词＋形容词＋主语从句 句型②：It＋系动词＋名词词组＋主语从句 5. Exercise Task 1. Look at the complex sentences below and state the functions of the noun clauses italicised. 1. What Yuan Longping really cared about was not money or celebrity. 2. That Yuan Longping had realised his dream of seawater rice surprised the whole world. 3. It surprised the whole world that Yuan Longping had realised his dream of developing seawater rice. subject subject subject 形式主语 5. Exercise Then find similar complex sentences from the text. 1. However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2. How this could be done was a challenging question at the time. 3. However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. 4. What impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams. 5. Exercise Task 2. Match the sentence parts, and then translate the completed sentences into Chinese. Pay attention to how the subjects are introduced differently. D A B C E 5. Exercise Task 3. Read the passage and underline all the subject clauses. Grandma has been complaining about the vegetables sold in the supermarket, which have been grown using chemical fertilisers. To her, that they look beautiful on the outside is obvious. However, what she is unhappy about is the lower nutritional value and reduced flavour. Now that both of my grandparents have retired from their jobs in the city, how they are going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they are considering. So they have made up their minds to move to the countryside, where they can live a green life. 5. Exercise Task 4. What qualities do you think make a person like Yuan Longping so successful? Work in groups. Have a discussion and prepare a presentation. The following points and expressions may help you. his/her determination to tackle the difficulties of… his/her effort to overcome his/her dream to develop his/her love and care for he/she succeeded in… he/she never gave up… he/she is devoted to… What impresses me most is that … What makes him/her a great…is that… It is important that… Whether…depends on… That…is his/her most important quality. THANK YOU ! $