Unit 1 Topic 2 SectionB学案 2023-2024学年仁爱科普版九年级英语上册

Unit 1 The Changing World Topic2 The population in developing countries is growing faster. Section B 单 位： 执教时间： 月 日 总课时数： 课 题 Unit1Topic2 Section B 课 型 新授课 课 时 数 主 备 人 备课组长 执教教师 学习 目标 1.Knowledge aims： 掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表达。 2.Skill aims: 能听懂高位数字，并作出正确判断。 能通过整合对话内容，提升综合语言运用能力。 3.Emotional aims: (optional) 增强学生对人口问题的认识，了解各国的人口现状。 增强学生关注社会的意识。 学习重点难点 重点：Words : population, billion, increase, reach, Russia, luckily, policy, measure Phrases: in developed/ developing countries, have a population of…, increase by, carry out, the one-child policy Sentences: (1) It says the world has a population of 6.8 billion. (2) It is increasing by 80 million every year. (3) Which country has the largest population? (4) —What’s the population of the USA.? —It’s… (5) So it is. (6) The population problem is more serious in developing countries. Grammar: Go on learning and using Present Perfect. 难点： 能更快更好的听懂和朗读高位数字。 能正确使用数字表达各国的人口现状。 教学方法 讲授法、小组讨论法、练习法、互动教学法 教学准备 教材、教案、课件 教 学 过 程 教 学 预 设 个性化修改 Step1: Lead-in new lesson. Lead-in the new lesson by showing pictures. Step 2: Preview: 1. Get the Ss ready for listening. Then listen and finish 1b. Check the answers according to 1a. 2. Read 1a carefully ,pick out the key phrases and sentences. Step 3. Discuss the following useful language points carefully in groups. 1. What a large population！ population:人口，人数，用large, small修饰 作主语时，谓语动词用单数 表示人口数量：a population of +数量 询问人口数量：What’s the population of...? 2. increase by + 数字 / 倍数 / 百分数 增加了…… e.g. The price of the house has increased by three times. the population of this city has increased by ¼. increase to +数字 增加到…… e.g. The price of the house has increased to 500 000. 3. so it is。的确如此 总结：so +主语 +be/助词/情态动词 (表赞同) ▲---she learns English well. ---So she does. ▲---they can finish their homework on time. ---So th