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Section B,(录音),Unit1 The Changing World Topic2 Which country has the largest population?,numbers in our life,one hundred and fifty yuan two thousand and eight Olympic Games,millions of stars since(自从)650 million years ago,about one billion (1,000,000,000 ) years old,two point two six (2.26) meters tall,1,000,000,000 one billion 1.34 one point three four,100 one hundred 1,000 one thousand 1,000,000 one million,十亿,点,Look,543.7 five hundred and forty-three point seven 768 seven hundred and sixty-eight 6 004 001 six million, four thousand and one 7 198 764 502 seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two,Listen and Say,(录音),1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion,543 five hundred and forty-three 3 980 three thousand , nine hundred and eighty 98 721 ninety-eight thousand , seven hundred and twenty-one 768 540 seven hundred and sixty-eight thousand , five hundred and forty,Say,1.34 one point three four 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion,5 555 555 555 five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five 2 346 780 two million, three hundred and forty-six thousand, seven hundred and eighty 405 000 000 forty hundred and five million,There are about 1.3 billion people in China. = China has a population of 1.3 billion. Whats the population of China?,A: Whats the population of China? B: Its about 1.3 billion.,Pair work Talk about the chart,6, 500,000,000 What a large population!,6.5 billion,The population is increasing by 80 million every year.,80,80,80,Which countries have larger popula-tion, developing countries or develop-ed countries? Developing countries. 2. What has China already done to control the population? China has carried out the one-child policy.,1a Listen read and answer,A:What a large population ! The world 6.5 billion. 80 million every year. B:Which country ? A:China with, and India with . B: the U.S.A.? A:296 million. B:It shows developing countries developed countries. A: grow faster B:So it is. The population problem developing countries A:China carry out control the population.,Act out the dialog,6 575(miles),32 million,210 million,326 (yuan),8 844.43(meters),Canada,Work alone,Mount Qomolangma,dinosaur,(录音),Sum up,How to read the numbers in English Whats the population of ? increase by carry out,Exercises,1. _ is the population of Indonesia? 223 million. A. How much B. How many C. What D. How 2.There are _ students in our school. A. three thousands B. three thousands of C. three thousand of D. three thousand,C,D,1.完成同步练习册Section B。 2.Talk about the topics a. Why does China carry out the one-child policy? b. What are the population problems?,Homework,Goodbye!,population (large small),集合名词 某地整体人口是多少 (作单数) 强调具体成员, 某地的部分人口(作复数),(e.g)The population of this city is nearly 300 000. 这个城市的人口将近三十万。 (e.g) 80% of the population in China are farmers. 中国百分之八十的人口是农民。,back,increase by +倍数或百分数 (e.g.)The cost of living has increased by three times. increase to +具体数字 (e.g.)The price of the house has increased to 500 000.,300,300,300,300,350,150,500,back,carry out 实行, 进行, 执行 (e.g.) We will carry out a new plan to improve our English. carry + 代词 +out (e.g.) Its easy to carry it out.,back,1. China had a population of 1.3 billion in 2005. 2. Its about 6 575 miles from Beijing to Toronto. 3. Mount Qomolangma is 8 844.43 meters high. 4. The population of Canada was about 32 million in 2005. 5. The dinosaur lived 210 million years ago. 6. The coat in the shop costs 326 yuan.,tapescript,back,Mount Qomolangma,dinosaur,(录音),
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