ID: 24548516

Unit1 The Changing World Topic 2 Section B 课件+音视频(共27张PPT)仁爱科普版英语九年级上册

日期:2025-11-29 科目:英语 类型:初中素材 查看:46次 大小:10395055B 来源:二一课件通
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Unit1,九年级,英语,科普,仁爱,PPT
    (课件网) Unit 1 The Changing World Topic 2 The population in developing countries is growing faster. Section B 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。 Skill aims 学生能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。 Knowledge aims 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。 Emotional aims Teaching aims Emotional aims 通过对比发达国家和发展中国家的人口增长情况,引导学生树立正确的人口观念。 Culture awareness Warming up Numbers in our lives one hundred and fifty yuan two thousand and twenty-four Olympic Games ten past eleven thousands of people eight years old Do you know the population of the world Pre-listening 今日头条 population [ p pj le n]n.人口 billion ['b lj n] num.十亿 increase[ n'kri s]v.(使)增加 Russia [ r ] n.俄罗斯 reach [ri t ] v.实现;达到 luckily ['l k li]adv .幸运地 measure[ me ]n.措施,方法 The world has a population of 7.2 billion in 2014. And it is increasing by 82 million every year. Russia has reached 143 million. Luckily, it has taken some measures to solve the problem. It is increasing by 82 million every year. 82 000 000 , , 增加了,增长了 1,000 one thousand 1,000,000,000 one billion 1,000,000 one million 3.14 three point one four 100 one hundred How to read numbers 2 Listen and read the numbers. nine hundred and seventy-three three thousand , nine hundred and eighty ninety-eight thousand , seven hundred and twenty-one seven hundred and sixty-eight thousand , five hundred and forty 6 , 6 6 6 , 6 6 6 , 6 6 6 billion million thousand 973 3 980 98 721 768 540 6 , 6 6 6 , 6 6 6 , 6 6 6 billion million thousand two million, three hundred and forty-six thousand, seven hundred and eighty eighty-two million, three hundred and sixty-four thousand, five hundred and eighty four hundred and five million five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five 2 346 780 82 364 580 405 000 000 5 555 555 555 Look , guess and listen. What are they talking about Are they talking about the population of the world or Asia Let’s listen. While-listening Listen to 1a and match the information. 1. the world 2. China 3. India 4. the USA A. 323 million B. 7.2 billion(2014) C. 1.36 billion D. 1.27 billion What: Present situation (现状) How (the way to solve) The world has a population of 1._____ in 2014. It is increasing by 2. _____ every year. There will be more pollution and other 3. _____. We should find new ways to protect the 4. _____, for example, making new rules and 5._____. serious problems 82 million 1. 听前审题,2. 听中速记,3. 听后整理,检验! Listen to 1a again, then finish the table. 听录音,完成表格。 7.2 billion environment policies Listen, watch and repeat the dialogue . Pair work: Read the dialogue in pairs. 1c 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. ... ...

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