Unit 2 Working the land-Extended reading 教案-2025-2026学年高中英语译林版选修第一册

Unit 2 Working the land-Extended reading 教学目标和重难点 1. 教学目标 Language ability: Master agriculture-related vocabulary and complex sentences. Cultural awareness: Understand the evolution of farming and respect for agricultural civilizations. Thinking quality: Develop logical analysis and critical thinking. Learning ability: Cultivate autonomous and cooperative learning skills in reading and discussion. 2. 教学重难点 Key points: Grasp the main idea and structure of the extended reading passage, and master core vocabulary and sentence patterns about precision farming. Difficult points: Understand long and difficult sentences and analyze the logical relationship between paragraphs. 教学过程 Step 1: Lead-in (Lead-in and Warm-up) The teacher starts the class by showing students two groups of pictures: one group is the traditional farming scene (farmers working in the fields under the sun, using simple tools like hoes and sickles), and the other group is the modern precision farming scene (farmers operating drones, using sensors and satellites to monitor crops). Then the teacher asks two guiding questions: “When you think of farming, what image comes to your mind first?” “What differences do you find between the two groups of pictures?” After students express their opinions freely, the teacher summarizes: “With the development of science and technology, traditional farming has undergone great changes, and precision farming has become a new trend in modern agriculture. Today, we will learn the extended reading passage of Unit 2, which will take us to understand the charm of precision farming.” Design Intention: The lead-in links the students' existing life experience and the unit theme “Working the Land”, and stimulates students' interest in learning through visual pictures. By asking guiding questions, it guides students to think about the changes of farming methods, lays a foundation for the understanding of the main content of the extended reading passage, and naturally leads to the topic of the lesson. At the same time, it helps students initially establish the connection between traditional farming and modern farming, and paves the way for the cultivation of cultural awareness and thinking quality. Step 2: Pre-reading (Vocabulary and Background Preview) First, the teacher arranges students to work in groups of 4 to sort out the core vocabulary and phrases related to the passage. The teacher provides key vocabulary prompts, including precision farming, sensor, satellite, drone, artificial intelligence (AI), soil moisture, nutrient level, pH level, data-driven, etc. Each group is responsible for explaining 2-3 words, including pronunciation, part of speech, Chinese meaning and simple collocation, and makes a short sentence combined with the farming scene. For example, “sensor: a device used to detect and measure something, such as soil moisture. We can use sensors to monitor the condition of crops.” Then, the teacher briefly introduces the background of precision farming: “Precision farming is a data-driven approach to agriculture, which combines modern technology such as sensors, satellites and AI to help farmers make accurate decisions, reduce input, increase output and protect the environment. It is an important achievement of the combination of agriculture and technology, and also provides solutions to the global food problem.” The teacher also supplements simple background knowledge: with the growth of the global population, the demand for food is increasing, and precision farming has become an effective way to solve the food problem and protect the environment. Finally, the teacher asks students to predict the main content of the passage according to the title and the previewed vocabulary: “What do you think the passage will talk about? Please predict from the aspects of the definition of precision farming, its application and its significance.” Students express their predictions freely, and the teacher writes down the key points of the predictions on the blackboard for later verification. Design Intention: Vocabulary is the foundation of reading comprehension. Through group cooperation to learn and explain vocabulary, it not only helps students master the core vocabulary needed for reading, but also cultivates their cooperative learning ability and expression ability. The introduction of background knowledge helps students understand the social and practical significance of precision farming, expands their horizons, and lays a foundation for in-depth understanding of the theme of the passage. Predicting the main content of the passage can stimulate students' reading motivation, cultivate their predictive ability, and make their reading more targeted. Step 3: While-reading (In-depth Reading and Information Extraction) This step is divided into three parts: skimming, scanning and careful reading, to guide students to extract information layer by layer and understand the passage in depth. 1. Skimming: The teacher asks students to read the passage quickly, ignore the new words they don't know temporarily, and grasp the main idea of the passage. After reading, students are asked to answer the following questions: “What is the main topic of the passage?” “What is the author's attitude towards precision farming?” Then the teacher invites several students to share their answers, and summarizes: “The passage mainly introduces precision farming, including its definition, the role of modern technology in it, its application in different stages of food production and its significance. The author holds a positive attitude towards precision farming.” Design Intention: Skimming training helps students master the reading strategy of quickly grasping the main idea, improves their reading speed, and enables them to form an overall understanding of the passage in a short time. This link also helps students verify their previous predictions, enhances their sense of achievement in learning, and lays a foundation for in-depth reading. 2. Scanning: The teacher asks students to read the passage again, scan the key information quickly, and fill in the following form. The form is designed to help students sort out the key content of the passage, including the definition of precision farming, the tools and technologies used, its application stages and its advantages. Aspects of Precision Farming Key Information Definition A data-driven approach to the improvement of food production, with the primary goals of reducing input, increasing output and better conserving the environment. Tools and Technologies Information-gathering tools: sensors, satellites, drones; Advanced technologies: artificial intelligence (AI). Application Stages Monitoring, diagnosing, identifying and targeting in different stages of food production. Advantages Helping farmers take good care of crops, make good use of resources, minimize environmental threats and solve food problems. After students finish filling in the form, the teacher organizes group exchanges, checks the answers, and explains the key points that students have not mastered. For example, the teacher emphasizes the collocation “equip sb. with sth.” in the definition of precision farming, and explains the meaning and usage of “data-driven”. Design Intention: Scanning training helps students master the reading strategy of quickly extracting specific information, improves their ability to find key points in the passage. The form design makes the key information of the passage more systematic and clear, which is convenient for students tosort out and memorize. Group exchange and teacher's explanation can help students correct mistakes in time, deepen their understanding of key information, and lay a foundation for careful reading. 3. Careful Reading: The teacher asks students to read the passage carefully, pay attention to the long and difficult sentences and the logical relationship between paragraphs, and complete the following tasks: Task 1: Analyze the long and difficult sentences in the passage. The teacher selects 3-4 typical long and difficult sentences, such as: “The collaboration between farming and technology has given rise to precision farming, an approach that equips farmers with the tools and data they need to make reliable decisions with remarkable accuracy.” “With massive amounts of data on the state of their farmland gathered, analyzed and processed in real time, farmers are able to give the best possible care to the crops that most need it at the most appropriate time and put their resources to the best use.” For each sentence, the teacher guides students to analyze the sentence structure (such as attributive clause, absolute construction, with compound structure), explains the key words and phrases, and translates the sentence into Chinese to help students understand the meaning of the sentence. Task 2: Analyze the logical relationship between paragraphs. The teacher asks students to discuss in groups: “What is the logical relationship between each paragraph? How does the author develop the passage?” After discussion, students share their views, and the teacher summarizes: “The first paragraph introduces the changes of farming methods and puts forward the topic of precision farming; The second paragraph explains the role of modern technology in precision farming and its goals; The third paragraph introduces the application of precision farming in different stages of food production with specific examples; The whole passage develops in the order of ‘topic introduction - explanation - example’, with clear logic and close connection between paragraphs.” Task 3: Extract the author's emotional attitude and supporting details. The teacher asks students to find out the sentences in the passage that reflect the author's attitude towards precision farming, and explain the reasons. For example, “This evolution is having a positive impact on farming, while also providing better solutions to the world's pressing food problems.” This sentence reflects the author's positive attitude, and the supporting details are the advantages of precision farming introduced later. Design Intention: Careful reading is the key link to in-depth understanding of the passage. By analyzing long and difficult sentences, students can break through the language difficulties in reading, improve their ability to understand complex sentences, and lay a foundation for the cultivation of language ability. Analyzing the logical relationship between paragraphs helps students grasp the structure of the passage, develop their logical thinking ability, and improve their reading comprehension ability. Extracting the author's emotional attitude and supporting details can cultivate students' critical thinking ability, enable them to understand the author's writing purpose, and lay a foundation for the cultivation of thinking quality. Step 4: Post-reading (Consolidation and Expansion) This step is divided into three parts: language consolidation, theme discussion and practical application, to help students consolidate the knowledge they have learned, deepen their understanding of the theme, and improve their language application ability. 1. Language Consolidation: The teacher arranges students to complete the following exercises to consolidate the core vocabulary and sentence patterns learned in the passage: Exercise 1: Fill in the blanks with the correct form of the given words. (Words: equip, gather, analyze, apply, conserve) ① Farmers are ________ with advanced tools to improve their work efficiency. ② We need to ________ data carefully to find out the problem. ③ The new technology has been ________ in many farms around the world. ④ It is important to ________ the environment while developing agriculture. ⑤ They are ________ information about the soil condition. Exercise 2: Rewrite the following sentences using the sentence patterns learned in the passage. For example, rewrite “Farmers use sensors to monitor soil moisture.” into “Farmers are equipped with sensors to monitor soil moisture.” After students finish the exercises, the teacher checks the answers, explains the common mistakes, and emphasizes the key collocations and sentence patterns, such as “equip sb. with sth.”, “with +宾语+过去分词” compound structure, etc. Design Intention: Language consolidation exercises help students consolidate the core vocabulary and sentence patterns learned in the passage, improve their ability to use language flexibly, and lay a solid foundation for language ability. By practicing sentence rewriting, students can better master the key sentence patterns and improve their language expression ability. 2. Theme Discussion: The teacher organizes students to have a group discussion on the topic: “What impact does precision farming have on our life and the world? What are the advantages and possible challenges of precision farming? What can we do as senior high school students to promote the development of modern agriculture?” Each group selects a representative to share their views after discussion. The teacher guides students to think comprehensively, such as the advantages of precision farming in solving food problems and protecting the environment, and the possible challenges in terms of technology popularization and cost. At the same time, the teacher guides students to combine their own reality, think about how to pay attention to and support the development of modern agriculture, such as learning agricultural knowledge, saving food, etc. Design Intention: Theme discussion helps students deepen their understanding of the theme of the passage, develop their critical thinking and comprehensive thinking ability, and cultivate their sense of social responsibility. Through group discussion, students can exchange ideas, learn from each other, improve their oral expression ability and cooperative learning ability. At the same time, it helps students connect the text with real life, realize the practical significance of precision farming, and cultivate their cultural awareness and sense of social responsibility. 3. Practical Application: The teacher assigns a small task: “Suppose you are a reporter, and you need to write a short report about precision farming for the school newspaper. The report should include the definition of precision farming, its application and its significance, and use at least 5 core vocabulary and 2 key sentence patterns learned in the passage.” Students can complete the task independently or in pairs, and the teacher will check and comment on the reports in the next class. Design Intention: Practical application tasks help students apply the knowledge they have learned to practical writing, improve their writing ability and language application ability. By simulating the identity of a reporter, it stimulates students' interest in writing, makes their writing more targeted and practical. At the same time, it helps students consolidate the core vocabulary and sentence patterns, and achieves the goal of “learning to use”. Step 5: Summary and Reflection First, the teacher summarizes the content of this lesson: “In this lesson, we have learned the extended reading passage about precision farming. We have mastered the core vocabulary and key sentence patterns related to precision farming, understood the definition, application and significance of precision farming, and improved our reading and language application ability. At the same time, we have also discussed the impact of precision farming on our life and the world, and realized the importance of modern agriculture.” Then, the teacher guides students to reflect on their own learning: “What have you learned in this lesson? What difficulties have you encountered? How can you solve these difficulties? What do you think you need to improve in the next learning?” Students can express their reflections freely, and the teacher gives positive comments and guidance, encouraging students to sum up experience and lessons in time and improve their learning methods. Finally, the teacher assigns homework: ① Recite the core vocabulary and key sentences of this lesson. ② Complete the short report assigned in the practical application link. ③ Preview the related content of the next lesson and collect information about modern agriculture. Design Intention: Summary helps students sort out the knowledge they have learned in this lesson, form a systematic knowledge framework, and deepen their memory and understanding. Reflection helps students understand their own learning situation, find out their own shortcomings, and improve their learning ability. Homework assignment helps students consolidate the knowledge they have learned, extend their learning, and lay a foundation for the next lesson. 1 / 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $