仁爱英语九年级Unit1Topic2SectionB教学课件

1、 one hundred and fifty yuan thousands of people two point two six (2.26) meters tall two thousand and eight Olympic Games 1,000,000,000 one billion 1,000,000 one million 1,000 one thousand 3.14 three point one four 100 one hundred First, try to separate the number in groups of three from right to le

2、ft. 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 billionmillionthousand 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. 1 , 0 0 0 , 0 0 0 , 0 0

3、0 billionmillionthousand 543.7 five hundred and forty-three point seven 1 562 one thousand, five hundred and sixty-two 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 973 nine

4、hundred and seventy-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 1 , 0 0 0 , 0 0 0 , 0 0 0 billionmillionthousand 2 346 780 two million, three hundred and fort

5、y-six thousand, seven hundred and eighty 82 346 580 eighty-two million, three hundred and forty-six thousand, five hundred and eighty 405 000 000 four hundred and five million 5 555 555 555 five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fift

6、y-five 1 , 0 0 0 , 0 0 0 , 0 0 0 billonmillionthousand 6800 80 80 80 The population is increasing by 80 million every year. = The world has a population of 6.8 billion. What a large population! 1b Listen to 1a and match the information. 1. the world 2. China 3. India 4. the USA A. 309 million B. 6.8

7、 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

8、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

9、_ policy to control the population. 80 millionChina 1.3 billionsecond larger faster one-child 1a Listen1a Listen，look and say.look and say. The supermarket 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。

10、确实如此。 A：What a large population ! The world 6.8 billion. 80 million every year. B：Which country ? A：China reach, and India with . B： the USA? A：309 million. B：It shows developing countries developed countries. A：is growing faster B：So it is. The population problem developing countries A：China carry

11、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 countries has the largest/smallest population? Whats the population of it? 2. What can you tell from the population in developing countries and in

12、 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 p

13、opulation 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. How 2. There are _ students in our schoo

14、l. 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 does 4. The population of China is _ than that of Japan. A. larger B. more C. fewer D. less C D D A 1. Read numbers in English. 2. Ta

15、lk about population problems. 1. Some words: population, billion, increase, reach, luckily, policy, Russia, measure 2. Some phrases: increase by, developing countries, developed countries, carry out, the one-child policy 3. Some sentences: What a large population! The world has a population of 6.8 b

16、illion. So it is. HomeworkHomework 2. 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 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 (作复数作复数） BACK populationpopulation 集合名词集合名词 某地整体人口的