Unit 7 课时3 Reading 2（课件）英语译林版2024八年级上册

该初中英语课件围绕“自然世界”主题，聚焦海洋、湿地、森林三大生态系统，通过Revision表格填空（昵称、面积、重要性）构建结构化知识支架，衔接旧知，为后续语篇学习与应用实践铺垫。 其亮点在于Post-reading环节融合词汇运用（如用“balance”“get rid of”等完成播客语篇）与深度讨论（人类活动对生态的影响），语言能力在句型练习中提升，思维品质在问题探究中发展，分层作业兼顾基础巩固与拓展阅读。学生能增强环保意识，教师可高效落实语言与思维目标。

主讲人：XXX 课型：阅读课2 Reading 2 Unit 7 The natural world 根据表格，介绍地球上三大生态系统的分布、功能与重要性等相关信息，构建关于语篇的结构化知识;（学习理解） 01 赏析并运用语篇的词汇和句型表达，用所学表达造句、完成新的语篇；（应用实践） 02 探讨人类活动对生态环境的影响，增强生态保护的意识。（迁移创新） 03 学习目标 Revision 01 Post-reading 02 03 Summary 04 Language points 05 Exercises 06 Homework Contents Revision 01 Revision ecosystem ocean wetland forest nickname heart size 71% importance 1.________ 2.________ 1.________ 2.________ 1.________ 2.________ kidney lung 6% 1/3 support________________________ Retell Post-reading 02 Post-reading surface is home to Post-reading oxygen take in store role get rid of balance Post-reading Further thinking 1. Why are the three ecosystems important for the earth? The ocean, wetlands and forests are important because they help keep the earth's air and water clean, and support millions of plants and animals. They keep the planet healthy and make our world a better place. Post-reading 2. What are some of the non-living things in an ecosystem? Are they important? Give reasons. Some non-living things in an ecosystem include water, air, sunlight, soil and minerals. They are important to an ecosystem because they provide the necessary conditions for living things to survive. Discuss Post-reading 3. How do human activities affect the ecosystems? Give an example. When people cut down trees for wood or farming, it makes some animals lose their homes and disturbs the balance of nature. Discuss Language points 03 Language points 1.An ecosystem includes all the living and non-living things in an area. 生态系统指一个区域内所有生物与非生物事物的总和。 非生物的 non-living 这次游览包括参观科学博物馆。 The tour included a visit to the Science Museum. 包括 include “non-” 是英语中非常常见的否定前缀，主要用来表示 “不、非、无”，通过加在名词、形容词或副词前，构成意思相反的词。 Language points 2. It holds plenty of salt water, and the water rises to the sky, falls onto the land and then returns to the ocean. 它（指海洋）容纳着大量的咸水，这些水蒸发到天空中，落到陆地上，然后又回流到海洋里。 容纳、握住、保持 hold 这架飞机可容纳 300 人。 The plane holds 300 people. 大量的、充足的(修饰可数名词复数或不可数名词) plenty of 有足够的食物给所有人。 There is plenty of food for everyone. Language points 3. Plants in wetlands help get rid of pollution and make the water clean. 湿地中的植物有助于清除污染，使水变得洁净。 清除、去掉、摆脱 get rid of 她在努力改掉坏习惯。 She’s trying to get rid of her bad habits. Language points 4. During heavy rains, wetlands store water like huge sponges.暴雨期间，湿地像巨大的海绵一样储存水分。 储存 store 把曲奇饼干存放在一个盒子里。 Store the cookies in a box. Language points 5. They act like the “kidneys" of the earth. 它们就像 “地球的肾脏”。 表现得像……、起到…… 一样的作用 act like 心脏就像一个泵，将血液送遍全身。 The heart acts like a pump, sending blood throughout the body. Language points 6. Therefore, people often call forests the “lungs” of the earth. 因此，人们常把森林称作 “地球之肺”。 因此 Therefore 天气不好。因此，我们不得不推迟运动会。 The weather is terrible. Therefore, we have to put off the sports meeting. Summary 04 Summary What do we learn today? 根据表格，介绍地球上三大生态系统的分布、功能与重要性等相关信息，构建关于语篇的结构化知识;（学习理解） 01 赏析并运用语篇的词汇和句型表达，用所学表达造句、完成新的语篇；（应用实践） 02 探讨人类活动对生态环境的影响，增强生态保护的意识。（迁移创新） 03 Exercises 05 三、选词填空。 harm, tons, pond, got rid of, around, returned 1.Spending too much time on your smartphone may ________________ your eyes. 2.They will arrive at ________________ 8:40 p. m. 3.He finally ________________ his glasses after an eye operation. 4.The old man finally ________________ home to be with his family. 5.Each of these containers (集装箱) weighs about thirty-two ________________. Exercises harm around got rid of returned tons Homework 06 Homework Have to do 1. Finish the exercises. 2. Recite the underlined sentences on Page 95. 3. Preview Grammar. Choose to do Read about more articles about ecosystem. 感 谢 观 看 $