仁爱版九年级英语上Unit 1 Topic 2 Section B.ppt

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1、仁爱版九年级英语上Unit 1 Topic 2 Section B Four short words sum up what has lifted most successful Four short words sum up what has lifted most successful individuals above the crowd: a little bit more. individuals above the crowd: a little bit more. -author -author -date-dateone hundred and fifty yuanthousa

2、nds of peopletwo point two six (2.26) meters tall two thousand and eight Olympic Games1,000,000,000 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

3、 million and thousand.How to read numbers?1 , 0 0 0 , 0 0 0 , 0 0 0billionmillionthousand1 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.1 , 0 0 0 , 0 0 0 , 0 0 0billionmillionthousand543.7five hundred and f

4、orty-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 two973nine hundred and seventy-three3 980three thousand , nine hund

5、red 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 0billionmillionthousand2 346 780two million, three hundred and forty-six thousand, seven hundred and eighty82 346 580eighty-two millio

6、n, 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 0billonmillionthousand6800808080The popula

7、tion is increasing by 90 million every year.= The world has a population of 7.2 billion.What a large population!1b Listen to 1a and match the information.1. the world 2. China 3. India 4. the USAA. 321 million B.7.2 billion C. 1.37 billion D. 1.31 billionMake similar conversations after the example.

8、Example:A.: Whats the population of the world?B: Its about 7.2 billion.1. the world 2. China 3. India 4. the USAA. 321 million B. 7.2 billion C. 1.37 billion D. 1.31 billion1c Read 1a and fill in the blanks. The world has a population of 7.2 billion and it is increasing by _ every year. _ has the la

9、rgest 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 some policies to _the population.90 millionChina1.37 billionsecondlargerfastercontrolThe sup

10、ermarket is very crowded.So it is. So +主语主语+ be/情态动词情态动词/助动词助动词Lucy dances very well.She has cleaned the room.So she does.So she has.So it is. 确实如此。确实如此。A：What a large population ! The world 7.2 billion. 90 million every year.B：Which country ?A：China reach, and India with .B： the USA?A：321 million.B

11、：It shows developing countries developed countries.A：is growing faster B：So it is. The population problem developing countriesA：China carry out control the population.3 Work in groups and discuss the population of the world. The following chart and questions may help you.1. Which of these 5 countrie

12、s 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 solve the population problem?China has the l

13、argest population. The population of China is 1.37 billion. Canada has the smallest population. The population of Canada is 35 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 t

14、he 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 s

15、he does4. The population of China is _ than that of Japan. A. larger B. more C. fewer D. lessCDDA1. Read numbers in English.2. Talk about population problems.1. Some words: population, billion, increase, reach, luckily, policy, Russia, measure2. Some phrases: increase by, developing countries, devel

16、oped countries, carry out, the one-child policy3. Some sentences: What a large population! The world has a population of 6.8 billion. So it is. HomeworkHomework2. Read the numbers in Part 2 on P12.1. Read 1a aloud.3. Finish Section B in your workbook.4. Preview Section C.e.g. The population of this

17、city is nearly 300 000. 这个城市的人口将近三十万。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。中国百分之八十的人口是农民。 e.g. The population of China is very large. 中国人口众多。中国人口众多。 The population in this area is becoming smaller and smaller. 这个地区的人口越来越少。这个地区的人口越来越少。强调人口的具体分布或构成强调人口的具体分布或构成 (作

18、复数作复数） BACKpopulationpopulation集合名词集合名词 某地整体人口的数量某地整体人口的数量(作单数作单数） 通常用通常用large/ big/ small 来修饰。来修饰。 increase by + 数字数字 / 倍数倍数 / 百分数百分数 增加了增加了e.g. The price of the house has increased by three times. increase to +数字数字 增加到增加到e.g. The price of the house has increased to 500 000. 250250250250250250500BACK