Unit7 ReadingI 教案-2025-2026学年译林版八年级英语上册

Unit 7 The natural world Period 2 Reading(1) Teaching aims and demands By the end of the lesson, students will be able to 1. Obtain and organize basic concepts of ecosystems, as well as relevant information on the distribution, functions, and importance of the three major ecosystems on Earth, and construct structured knowledge about the discourse； 2. understand the rhetorical technique of simile, and apply the vocabulary and sentence patterns of the discourse； 3. explore the impact of human activities on the ecological environment, propose protection measures, and enhance awareness of ecological protection. Main and difficult points 1. Obtain and organize basic concepts of ecosystems, as well as relevant information on the distribution, functions, and importance of the three major ecosystems on Earth, and construct structured knowledge about the discourse； 2. understand the rhetorical technique of simile, and apply the vocabulary and sentence patterns of the discourse； 3. explore the impact of human activities on the ecological environment, propose protection measures, and enhance awareness of ecological protection. Teaching Procedures Further Preparation Step 1. Revision Have students watch a video and recall the names of different ecosystems they learned last lesson. Step 2. Pre-reading 1. Have students view the title and pictures: What are the three main ecosystems on earth? 2. Activate students’ knowledge about the three ecosystems: What do you know about oceans, wetlands and forests? Step 3. While-reading 1. Have students go through the article quickly and find out what type of writing the article is. 2. Have students skim the article and get the main idea of each part. 3. Have students read paragraph 1 and answer: (1) What is an ecosystem? (2) Are ecosystems always large? (3) Is each ecosystem important? Why or Why not? 4. Have students read paragraphs 2-4 and complete the following table: 5. Have students read paragraph 5 and answer: Why are the three ecosystems important for the earth? Step 4. Post-reading 1. Write down the names of ecosystems. 2. What writing skills are used in these sentences? (1)The earth is just like the “heart” of the earth. Wetlands act like the “kidneys” of the earth. People often call forests the “lungs” of the earth. (2)The ocean covers around 71% of the earth’s surface. 3. Have students finish Part C on page 97. 4. Have students discuss: (1) How do human activities affect the ecosystems? Give more examples. (2) What can we do to protect the ecosystems in our daily life? 5.Have students speak for ecosystems: Homework Must do Introduce the three ecosystems, using the language we learned today. Choose to do Make a poster about one ecosystem. Blackboard Design Period 2 Reading 1 学科网（北京）股份有限公司 $