Unit 1 Topic2 SectionB& Section C 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“发展中国家人口问题”展开，以世界人口数据为切入点，通过听、说、读、写多维活动层层推进，从数字认读到语言表达，再到问题分析与解决策略探讨，构建了清晰的知识迁移路径，有效搭建了语言学习与现实议题之间的桥梁。 其亮点在于融合语言能力、文化意识和思维品质三大核心素养，例如在对话中引导学生用“increase by”描述人口增长，在表格对比中培养批判性思维，借助真实新闻素材增强全球视野。教学设计注重情境化输入与输出，如通过角色扮演讨论环保措施，既提升语言运用能力，又激发社会责任感。学生能系统掌握人口相关词汇与句型，教师可借此实现高效课堂互动与深度育人目标。

Unit 1 The Changing World Topic 2 The population in developing countries is growing faster. (Date from: UN, Worldometer and National Bureau of Statistics, 2014) Can you read the numbers? 1,000,000,000 thousand million billion hundred 973.1 1 562 768 540 82 364 580 6 004 001 nine hundred and seventy-three point one one thousand five hundred and sixty-two seven hundred and sixty-eight thousand, five hundred and forty eighty-two million, three hundred and sixty-four thousand, five hundred and eighty six million, four thousand and one 2. Listen and write the numbers. 543.7 1 562 6 004 001 7 198 764 502 (Date from: UN, Worldometer and National Bureau of Statistics, 2014) 1. What’s the population of the world? 2. Which of these 5 countries has the largest population? 3. Which of these 5 countries has the smallest population? 1b. 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 (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. 有…人口 increase to+具体增长后的数字 增加到… increase by+倍数/百分数/数字 增加了…倍/百分之几/… 以每年8千2百万的速度在增长！ reach 达到；实现；够得着；到达(=get to=arrive in/at) 美国的人口是多少？ the population of… …的人口数，谓语动词用单数 Eg. The population of this city is over 10 million. = The city has a population of over 10 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. what...do with：用什么方式处理 how...deal with ：如何应对/解决 只有通过…才能… Key points population [n.] 人口，人数 ①问人口数量：What’s the population of …? ②有…人口：has a population of +数字 ③形容人口多/少：large/ big / small 例：China has the largest population in the world. 2. increase to+具体增长后的数字 增加到… increase by+倍数/百分数/数字 增加了…倍/百分之几/… 3. reach ①到达(某地)：reach sp. = arrive at/ in sp. = get to sp. ②够到，够得到：He is so short that he can’t reach the books on the shelf. ③达到(某阶段、数量、速度等)：China’s population has already reached 1.36 billion. ④实现，达成：One has to work hard to reach his goal. 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. 1c. Listen to 1a and match the information. 82 million 1.36 billion a population increases protect What problems does the large population cause? What measures do you think should be taken to solve the problems? ___ Paragraph 1 A. the better situation now ___ Paragraph 2 B. two sides of large populations ___ Paragraph 3 C. the problems caused by large populations 1b Read 1a and match the main idea with each paragraph. B C A Write the title of the passage. Population Problems 1c Read 1a and match the main idea with each paragraph. Large Population social problem less ____________ fewer ________opportunities less ________ and ________ more crowded _________ heavier _____________ situation now Living conditions __________________ The natural environment __________________________ living space job water energy cities traffic are improving rapidly is becoming better and better Because of the large populations, there was less living space for each family in some countries. And what was worse, it was difficult for lots of people to find jobs. At the same time, the large population caused many other difficulties. For example, it was hard for the countries to supply water and energy to satisfy people's daily needs. Many cities are more crowded and the traffic is much heavier, too. the problems caused by large populations So far, some governments have taken many measures to solve the problems. And they worked well. Thanks to the efforts of the governments, people's living conditions are improving rapidly. The natural environment is becoming better and better. the better situation now The more people, the better? Not necessarily. Some countries have large populations. This has been both good and bad for these countries. The large populations have helped them develop, but have caused them some serious problems as well. two sides of large populations 也 Because of the large populations, there was less living space for each family in some countries. And what was worse, it was difficult for lots of people to find jobs. At the same time, the large population caused many other difficulties. For example, it was hard for the countries to supply water and energy to satisfy people's daily needs. Many cities are more crowded and the traffic is much heavier, too. the problems caused by large populations 生活空间 同时 E.g. The water supply is not enough. supply [n.] 供应量；供给量；储备 提供某物给某人： provide sth. for sb./provide sb. with sth. supply sth. to sb. / supply sb. with sth. offer sth. to sb./offer sb. sth. 满足人们的日常需求 So far, some governments have taken many measures to solve the problems. And they worked well. Thanks to the efforts of the governments, people's living conditions are improving rapidly. The natural environment is becoming better and better. the better situation now 到目前为止 take measures to do sth. 采取措施做某事 go well 进展顺利 work well in 在…奏效 幸亏，由于 自然环境 Sometimes, it is bad for countries to have large population. First, some people are short of living ________ because of large population. They have no ________ but to live with their relatives or friends. Second, there are not _________ job opportunities for people to choose from. Some of them can’t get jobs, and some others may_______ their jobs. Third, the streets in the cities get dirtier for littering. Luckily, a number of countries have ________ great efforts to deal with such kinds of problems. People’s living conditions are getting _______ and the natural environment is more beautiful than before. lose choice enough make space good 2 Complete the following passage with the correct forms of the given words or phrases. space choices enough lose made better 缺乏，不足 have no choice (but to do sth.) 别无选择(只好做某事) litter [U] 垃圾；[v.]乱扔垃圾 the number of + pl. +谓语动词单数 …的数量 a number of + pl. +谓语动词复数 许多；大量 make efforts to do 努力做某事 Thank You! 36284.18 null 77113.18 $