Module9 Unit 1 The world’s population was about 7.8 billion in 2020 课件2023-2024学年外研版英语八年级上册

外研版八年级上册 Unit 1 The world’s population was about 7.8 billion in 2020. Module 9 Population 1 1. To understand and read large numbers correctly; 2.To understand the dialogues and summarize the key information with some listening skills; 3. To describe the information of population correctly. Objectives Warming-up What’s the world’s population in 2023? It’s about 8 billion. Can you read out numbers or large numbers in English correctly? 56 fifty-six 156 one hundred and fifty-six 3,156 three thousand, one hundred and fifty-six Let's try: 4,670,128 Let's try: 5,094,670,128 大数字念法: 每三个数字为一个单位,每个单位的数字按照百、十、个位向后读,遵循百位以内数字的读法。进位读法为thousand, million, billion向上递增。 Listen and repeat. 8,742 eight thousand, seven hundred and forty-two 2,463,128 two million, four hundred and sixty-three thousand, one hundred and twenty-eight 7,800,000,000 one billion, three hundred and seventy million 2,000,030,000 two billion and thirty thousand The population of the world is about 7.8 billion. seven point eight Can you say it correctly? 70,000,000 seventy million 1,300,000,000 one billion, three hundred million 3.141 noise prepare notes report huge increase Do you know these words? problem birth billion fifth grow noise people space traffic Work in pairs. Look at the picture and talk about it. Use the words in the box to help you. 1 There are too many people. The space is not enough. There is a lot of noise. There is a lot of traffic. Pre-listening Tony and Betty are talking about the population of New York and Tokyo. Listen and choose the correct answer. 1 What is the population of New York? a)About 17 million. b)About 9 million. c)About 30 million. 2 What is the population of Tokyo? a)About 4 million. b)About 28 million. c)About 14 million. 2 Listen and choose the correct answer. Which one is another expression? a) About 9,000 b)About 90,000 c)About 9,000,000 Which one is another expression? a) About 1,400 b)About 14,000 c)About 14,000,000 Listen and choose Tip: Read the questions and choices before listening, circle the key words (places) and pay attention to the numbers while listening. 2 Listen and choose the correct answer. 2 Tip: circle the key words What are they talking about? A. The problem of the population increase. B. The situation of the population increase. C. The reasons for the population increase. While-listening 1 What is Tony doing? 2 What problems does the increase population cause? 3 How many babies are born every minute in the world? 4. Will China's population grow fast? Why? Listen and answer He is preparing some notes for a report . It causes a lot of problems, such as too much traffic and noise. Over 250! No, it won't. Because families are getting smaller. Tips: 1. circle the key words 2. predict with commonsense(常识) The population increase too fast!!! Is it a good thing? Watch and complete the table. problems caused by population countries with fast -growing populations It can cause too much 1._and 2._ countries with slow- growing populations There aren’t enough people 3._. There aren’t enough young 4._. traffic noise to do all the jobs people to look after the older ones Population fast-growing slow-growing problems: 1. . 2. . 3. . ... problems: 1. . 2. . 3. . ... Fast-growing/Slow-growing populations can cause problems. Post-listening Population fast-growing slow-growing problems: 1. . 2. . 3. . ... problems: 1. . 2. . 3. . ... traffic jams too much noise not enough food not enough people to ... not enough young people to ... an aging population Fast-growing/Slow-growing populations can cause problems, such as... Fast-growing/Slow-growing populations can cause problems. For example, ... Family planning policy one-child policy two-child policy three-child policy 1982 2021 2016 Fast-growing populations can cause severe (严重的) problems. Why does China have the third-child policy? Think over [s v (r)] We should promote long-termed and balanced population development. 我们应该促进人口长期均衡的发展。 Language points I’m preparing some notes for a report called “Our growing population”. prepare … for … 表示“为…准备…”。 e.g. He is preparing a dinner for his friends. 他正在为他的朋友准备晚饭。 prepare for… 为……做准备 He is preparing for the world cup. 他正在为世界杯做准备。 Prepare to do sth.准备做某事 We are preparing to go on holiday. 我们正准备去度假。 He doesn't have too much money. 他没有太多钱。 It is much too cold.。 天太冷了。 There are too many people in the park. 公园里人太多了。 拓展too much还可用作名词性短语,在句中作主语或宾语; 也可用作副词性短语,在句中作状语,修饰动词。 You've given me too much. 你已经给我太多了。 2. That causes a lot of problems, such as too much traffic and noise. too many 后面加可数名词,表示 “太多的”。 too much 后面加不可数名词,表示“太多的”。 辨析:noise, sound与voice noise指不悦耳的“噪音,杂音,吵闹声”等 sound泛指自然界中的一切声音 voice指人说话或唱歌发出的“嗓音”,有时也指鸟鸣声 There is too much noise in that restaurant. 那家餐馆太吵了。 Light travels much faster than sound. 光的传播速度比声音的快得多。 The little boy has a beautiful voice. 这个小男孩有一副好嗓音。 3. I can’t believe it! 表示“简直难以置信”。表示一种惊讶。 believe〔动词)相信 其后可接名词、代词或从句作宾语。 I believe the little girl. 我相信这个小女孩的话。 I believe we can make it. 我相信我们能成功。 辨析:believe sb.与believe in sb. believe sb.相信某人所说的话, 指认为某人的表述属实 believe in sb.信任某人, 指相信某人的品质、能力、人格或力量 I believe her , but I don't believe in her. 我相信她的话,但我不信任她。 4. The population of China is about 1.37 billion. billion(十亿), million (百万), thousand (千)都是数字单位。当前面有数词时,这些数字单位不加s,当前面没有数词时,这些数词后面加s和of。 5. increase ①〔名词)增大,增长 We need an increase in money.我们需要增加资金。 ②〔动词〕增大,增长 increase by增长了…; increase to增加(长)到… 6.problem与question problem指疑难的、困难的问题,如数学问题、失业问题或令人困惑的事等相对比较麻烦的问题,重点突出“难”。常与solve , cause, work out等动词(短语)连用. question指一般的、需要解答的问题。常与ask , answer等动词连用. This time , we must depend on ourselves to solve the problem. 这次,我们必须依靠我们自己去解决问题。 You can ask him some questions by telephone.你可以通过电话问他一些问题。 7. That’s almost one fifth of the world’s population, ... one fifth 表示“五分之一”,fifth是序数词。 分数的表达:分子用基数词,分母用序数词。分子大于1时,分母 + s。 e.g. 2/5: two fifths 8. Hang on a minute! 通常用来表示让某人等一下。 e.g. Hang on! I’ll be back in a minute. 朗读时,将每三位数看做一个单位,依次为billion,million,thousand。每个单位按照百、十、个位向下读,其中百位到十位之间要加入 and。 e.g. 729 :seven hundred and twenty nine. 6,500,431,729:six billion five hundred million four hundred and thirty one thousand seven hundred and twenty nine. Grammar 数字的表达 Summary Caring for the world is caring for ourselves. 关注世界就是关注我们。 1. Prepare a report about world’s population. 2. Preview Module 9 Unit 2 37 Thank you 38 Lavf58.76.100 Other 20715.107 null 54804.035 null 96262.805 EVCapture4.2.2软件录制 Lavf57.25.100 本视频由湖南一唯信息科技开发的EV录屏软件录制,www.ieway.cn $$