Unit 1 Topic 2 Section B 课件 2025-2026学年仁爱科普版（2012）九年级英语上册

该初中英语课件围绕“变化的世界”主题，以人口增长为切入点，通过情境对话、数据匹配、语言点精讲与复述训练等环节，层层递进地构建学生对“人口”相关词汇、句型及逻辑关系的理解，形成从听说到读写的能力支架。 其亮点在于融合语言能力、文化意识与思维品质的培养，如在1a听力填空和对话仿练中强化语言输出能力，在讨论人口问题时引导学生思考环保责任，体现人类命运共同体意识，同时通过“what should we do with the problems”这一开放性问题激发批判性思维。教师可借此提升课堂互动质量，学生则能在真实语境中掌握核心表达，发展跨文化沟通与解决问题的能力。

Unit 1 The Changing World Topic 2 The population in developing countries is growing faster. Section B Learning aims 一、重点单词: yet,probably,cinema,population,increase,reach,social, natural,government,offer; 二英语中数的表达法; Revision of Section A Michael and Kangkang went to the shopping center. Try to retell Section A Retell Maria: Hello, Michael. Where have you been? Michael: I have just been to a shopping center with Kangkang. I've never been there before, Maria: Why not? Michael: Because there were too many people. and couldn't find each other. Maria: Bad luck! Michael: No, . Let's call him up now. I really don't like going to a place like that. Maria: but I don't want to go there any more. We got lost Have you found him yet? he has probably gone home Neither do I I have just called you, but you weren't in. Kangkang and Michael don’t want to go to the shopping center any more,why ? Because there were too many people and they get lost. Kangkang is reading a report on population in the newspaper. Listen to 1a and match the information. 1. the world 2. China 3. India 4. the USA A. 323 million B.7.2 billion C. 1.36 billion D. 1.27 billion Make similar conversations after the example. Example: A.: What’s the population of the world? B: It’s about 7.2 billion. Read 1a and fill in the blanks. The world has a population of 7.2 billion in 2014 and it is increasing by _ every year. China’s population has already reached _ and India has _ of 1.27 billion. As the population _, there will be more pollution and other serious problems. We should find new ways to _ the environment, for example, making new rules and policies. 82 million a population 1.36 billion increases protect (Kangkang is reading a report on population in the newspaper.) Maria: Hi, Kangkang, what are you reading? Kangkang: I am reading a report about world population. Maria: What does it say? Kangkang: It says the world has a population of 7.2 billion in 2014. And it is increasing by 82 million every year. Maria: Mmm, that's really a lot. language points: 关于人口 在报纸上 “人口”,1.形容人口多用large,人口少用small; 2.人口提问用 what’s the population of ......? 3.回答用:it has a population of ...... increase by增加了, increase to增加到 Kangkang: Yes. China's population has already reached 1.36 billion, and India has a population of 1.27 billion. Maria: What's the population of the USA? Kangkang: 323 million. Maria: Oh,I see. What else does it say? Kangkang: It also says that as the population increases, there will be more pollution and other serious problems. 达到,够到,到达=arrive in/at =get to else,其他的,位于不定代词或疑问词之后 随着人口增长 严重的问题 Maria: So,what should we do with the problems? Kangkang: There are a lot of things we should do. We should find new ways to protect the environment, for example, making new rules and policies. Maria: That's great! Only by working together can we create a better future. 处理=deal with 保护环境 例如=such as 创造一个更好的未来 只有通力合作 (Kangkang is reading a report on population in the newspaper.) Maria: Hi, Kangkang, what are you reading? Kangkang: I am reading a report about world population. Maria: What does it say? Kangkang: It says the world has a population of 7.2 billion in 2014. And it is increasing by 82 million every year. Maria: Mmm, that's really a lot. Kangkang: Yes. China's population has already reached 1.36 billion, and India has a population of 1.27 billion. Maria: What's the population of the USA? Kangkang: 323 million. Maria: Oh,I see. What else does it say? Kangkang: It also says that as the population increases, there will be more pollution and other serious problems. Maria: So,what should we do with the problems? Kangkang: There are a lot of things we should do. We should find new ways to protect the environment, for example, making new rules and policies. Maria: That's great! Only by working together can we create a better future. Retell 当堂检测: 1.在报纸上 _ 2. 有...的人口_ 3. 增加了..._ 4. 其余的什么_ 5. 对人口提问: _ 6. 保护环境..._ 7. 只有通力合作_ 8. 创造更好的未来_ 9.我们应该怎样处理问题?_ in the newspaper have a population of increase by what else What’s the population of protect the envirionment only by working together create a better future what should we do with the problems Summary 1. Learn how to read numbers in English; 2. New words : population, billion, increase, reach, luckily, policy, Russia, measure; 3. New phrases: increase by, developing countries, developed,countries, carry out, the one-child policy; null 77113.18 $