Unit1Topic2SectionB课件2023-2024学年仁爱科普版英语九年级上册

Unit 1 The Changing World Topic 2 Which country has the largest population? Section B Can you say the following numbers? 100 2 000 30 000 400 000 5 000 000 60 000 000 700 000 000 8 000 000 000 one hundred two thousand thirty thousand four hundred thousand five million sixty million seven hundred million eight billion 你能根据这些读法找到数字读法的规则吗？ 1,000,000,000 one billion 1,000,000 one million 1,000 one thousand 3.14 three point one four 100 one hundred Look,read and learn First, try to separate the number in groups of three from right to left. Then read it in order from billion to million and thousand. How to read numbers? 1 , 0 0 0 , 0 0 0 , 0 0 0 billion million thousand 1 0 0 0 0 0 0 0 0 0 2 Listen and read the numbers, paying special attention to the intonation. Then read the other numbers with your partner. 7 198 764 502 seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two 1 987 654 321 one billion, nine hundred and eighty-seven million, six hundred and fifty-four thousand, three hundred and twenty-one 当hundred, thousand, million, billion 前有具体数词修饰时，这些词后不能加s，也不能带of。 如：two hundred 两百 five million 五百万 seven billion 七十亿 当这些词语介词of 连用时，应加s,表示不确定数目，但 前面不可以加具体数词。 数百的，成百上千的 数千的，成千上万的 数百万的 数十亿的 hundreds of thousands of millions of billions of 关于人口的问题 一、问人口有多少 1. What is/was the population of+地方 中国有多少人口？ What’s (What is / What was ) the population of China? 2. How large is/was the population of +地方 中国有多少人口？ = How large is/ was the population of China? 二、有多少人口 1. 国家+has a population of +数字 中国有14亿人口 China has a population of 1.4 billion. 2. 国家 +is a country with the population of +数字 中国有14亿人口 China is a country with the population of 1.4 billion 3. the population of + 国家 is/ was + 数字 中国的人口是14亿 The population of China is 1.4 billion. 三、 注意：人口的多少修饰 ① 通常人口多用 large /big 人口少 用 small 多庞大的人口啊！ What a large population! ② 人口最多 the largest 最少