【課件】九年級(jí)英語(yǔ)Unit1 Topic2 SectionB教學(xué)課件

1、one hundred and fifty yuanthousands 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

2、read it in order from billion to 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 0billionmillio

3、nthousand543.7five 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 two973nine hundred and seventy-thre

4、e3 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 0billionmillionthousand2 346 780two million, three hundred and forty-six thousand, seven hundred and e

5、ighty82 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 0billonmil

6、lionthousand6800808080The population 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

7、conversations after the example.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 increasi

8、ng 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 some policies to _the population.90 millionChina1.37 billion

9、secondlargerfastercontrol1a Listen1a Listen，look and say.look and say.The supermarket is very crowded.So it is. So +主語(yǔ)主語(yǔ)+ be/情態(tài)動(dòng)詞情態(tài)動(dòng)詞/助動(dòng)詞助動(dòng)詞Lucy dances very well.She has cleaned the room.So she does.So she has.So it is. 確實(shí)如此。確實(shí)如此。A：What a large population ! The world 7.2 billion. 90 million every ye

10、ar.B：Which country ?A：China reach, and India with .B： the USA?A：321 million.B：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

11、. 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

12、 do you think should be taken to solve the population problem?China has the largest 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 la

13、rge 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. J

14、enny 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. lessCDDA1. Read numbers in English.2. Talk about population problems.1. Some words: population, billion, increase, reach, luckily, pol

15、icy, Russia, measure2. Some phrases: increase by, developing countries, developed 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

16、 Section B in your workbook.4. Preview Section C.e.g. The population of this city is nearly 300 000. 這個(gè)城市的人口將近三十萬(wàn)。這個(gè)城市的人口將近三十萬(wàn)。 e.g. 80% of the population in China are farmers. 中國(guó)百分之八十的人口是農(nóng)民。中國(guó)百分之八十的人口是農(nóng)民。 e.g. The population of China is very large. 中國(guó)人口眾多。中國(guó)人口眾多。 The population in this area is becoming smaller and smaller. 這個(gè)地區(qū)的人口越來越少。這個(gè)地區(qū)的人口越來越少。強(qiáng)調(diào)人口的具體分布或構(gòu)成強(qiáng)調(diào)人口的具體分布或構(gòu)成 (作復(fù)數(shù)作復(fù)數(shù)） BACKpopulationpopulation集合名詞集合名詞 某地整體