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She knows nothing about the book because she has _ read it. The early bus has _ left. You have to wait for the next. -Have they _ gone fishing? -No, _.4. Have they finished their work_?5. Has Mary _ been to China?6. Ive been there _ and dont want to go there any longer. neveralready/ justevernever yetever already one hundred and fifty yuanthousands of people two point two six (2.26) meters tall two thousand and eight O lympic G ames 1,000,000,000 one billion1,000,000 one million1,000 one thousand3.14three point one four100 one hundred 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 0billion million thousand1 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. 1 , 0 0 0 , 0 0 0 , 0 0 0billion million thousand543.7five hundred and forty-three point seven 1 562one thousand, five hundred and sixty-two6 004 001six million, four thousand and one7 198 764 502seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two 973nine hundred and seventy-three3 980three thousand , nine hundred and eighty98 721ninety-eight thousand , seven hundred and twenty-one768 540seven hundred and sixty-eight thousand , five hundred and forty1 , 0 0 0 , 0 0 0 , 0 0 0billion million thousand 2 346 780two million, three hundred and forty-six thousand, seven hundred and eighty82 346 580eighty-two million, three hundred and forty-six thousand, five hundred and eighty405 000 000four hundred and five million5 555 555 555five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five 1 , 0 0 0 , 0 0 0 , 0 0 0billon million thousand = The world has a population of 6.8 billion.世界有68亿人口。The population of the world is 6.8 billion.世界的人口是68亿。 The population of China is 1.3 billion.= China has a population of 1.3 billion. The population of China is 1.3 billion._ is the population of China?= How large is the population of China?= How many people are there in China?= Whats the number of people in China?The population of the world is 6.8 billion._ is the population of the world?= How large is the population of the world?= How many people are there in the world?= Whats the number of people in the worldWhat What The population of India is 1.1 billion.What is the population of India?= How large is the population of India?= How many people are there in India?= Whats the number of people in India?The population of the U.S.A is 309 million.What is the population of the U.S.A?= How large is the population of the U.S.A?= How many people are there in the U.S.A?= Whats the number of people in the U.S.A The population of China is_.The population of Canada is _.large/ bigsmall 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。 强调人口的具体分布或构成 (作复数） population集合名词 某地整体人口的数量(作单数） The population of our school _ (be) 3000.50% of the population in our school _ (be) female. isare 6800808080The population is increasing by 80 million every year. increase by + 数字 / 倍数 / 百分数 增加了e.g. The price of the house has increased by 250 yuan every year. increase to +数字 增加到e.g. The price of the house has increased to 500 yuan. 250250250250250250 500 The population in developing countries is larger than that in developed countries.发展中国家发达国家 Luckily, China has already carried out the one-child policy to control the population.实施 Whats the population of the world?The population of the world is 6.8 billion.The population of the world is increasing by 80 billion.China has a population of 1.3 billion.The population of U.S.A is 309 million. It shows that the population in developing countries is larger than that in developed countries.Luckily, China has already carried out the one-child policy to control the population. 1b Listen to 1a and match the information.1. the world 2. China 3. India 4. the USAA. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion Make similar conversations after the example.Example:A.: Whats the population of the world?B: Its about 6.8 billion.1. the world 2. China 3. India 4. the USA A. 309 million B. 6.8 billion C. 1.3 billion D. 1.1 billion 1c Read 1a and fill in the blanks. The world has a population of 6.8 billion and it is increasing by _ every year. _ has the largest population. It has already reached _ and India is _ with 1.1 billion. The population in developing countries is _ and is growing _ than that in developed countries. Luckily, our country has carried out the _ policy to control the population.80 million China1.3 billion secondlarger fasterone-child The supermarket is very crowded.So it is. So +主语+ be/情态动词/助动词Lucy dances v r well.S has cle ned the roomSo she does.So she has.So it is. 确实如此。 3 Work in groups and discuss the population of the world. The following chart and questions may help you.1. Which of these 5 countries has the largest/smallest population? Whats the population of it?2. What can you tell from the population in developing countries and in developed countries?3. What problems does the large population cause? 4. What measures do you think should be taken to control the population?China has the largest population. The population of China is 1.3 billion. Canada has the smallest population. The population of Canada is 34 million.The population in developing countries is larger than that in developed countries.The large population may cause less living space, more pollution and so on. Choose the best answer.1. _ is the population of Russia? 143 million. A. How much B. How many C. What D. How2. There are _ students in our school. A. three thousands B. three thousands of C. three thousand of D. three thousand 3. Jenny always helps others. _. A. So is she B. So she is C. So does she D. So she does4. The population of China is _ than that of Japan. A. larger B. more C. fewer D. lessCDDA
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