【课件】九上 Unit1 Topic2 SectionB 课件

1、one hundred and fifty yuantwo 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 /biljn/十亿First, try to separate the number in groups of three from right to left. Then read it in

2、 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.543.7five hundred and forty-three point seven 1

3、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 2 Listen and read the numbers973nine hundred and seventy-three3 980three thousand , nine

4、 hundred and eighty1 , 0 0 0 , 0 0 0 , 0 0 0billionmillionthousand98 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,

5、 seven hundred and eighty82 346 580eighty-two million, three hundred and forty-six thousand, five hundred and eighty1 , 0 0 0 , 0 0 0 , 0 0 0billonmillionthousand405 000 000four hundred and five million5 555 555 555five billion, five hundred and fifty-five million, five hundred and fifty-five thousa

6、nd, five hundred and fifty-five 1 , 0 0 0 , 0 0 0 , 0 0 0billonmillionthousandFrom the chart, we know China has a population of 1.37 billion. It has the largest population in the world. /,p:pjulein/人口，人数人口，人数/r/俄罗斯俄罗斯Russia has a population of 143 million.发展中国家发展中国家发达国家发达国家What can you tell from the

7、 population in developing countries and developed countries?largesmall7200909090The population of the world is increasing by 90 million every year.increase/inkri:s/ 增加，增大增加，增大Luckily, China has carried out the one-child policy to control the population! What other measures should we take?The populat

8、ion of the world has reached 7.2 billion.What a large population!/ri:t/达到，达到，够得着够得着/plsi/政策，方针政策，方针measure/me(r)/ 措施，方法措施，方法reach/lkili/幸运地，运气好地幸运地，运气好地Listen to 1a.What are they talking about?1b Listen to 1a and match the information.1. the world 2. China 3. India 4. the USAA. 321 million B. 7.2 bi

9、llion C. 1.37 billion D. 1.31 billionMake similar 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 billion (Kangkang is reading a report on population

10、in the newspaper.)Kangkang：Wow! What a large population! Maria：What? Kangkang：Look, it says the world has a population of 7.2 billion. And it is increasing by 90 million every year.Maria：Mmm, thats really a lot. Which country has the largest population?Kangkang：China has the largest population. It h

11、as already reached 1.37 billion, and India is second with 1.31 billion.1a 1a Maria：Whats the population of the USA?Kangkang：321 million.Maria：Oh, I see. It shows that the population in developing countries is larger than that in developed countries, doesnt it? Kangkang：Yes. Whats more, the populatio

12、n in developing countries is growing faster.Maria：So it is. The population problem has become more serious in developing countries.Kangkang：Luckily, China has already carried out the some policies to solve the problem.1a 1a Section B 短语短语1. 有的人口_2. 增加了_3一个发展中国家_4. 一个发达国家_5. 执行_6. 人口多/人口少_7. 解决难题_8.

13、独生子女政策_ have a population of. increase by a developing country a developed country carry out large/small population solve the problemone-child policy1. What a large population!population为名词，用为名词，用_等词修饰，等词修饰，谓语动词常用谓语动词常用_形式。形式。2. Look, it says the world has a population of 7.2 billion. Whats the popu

14、lation of the USA? It has a population oflarge/big/small单数单数3. China has the largest population in the world. 意思是“中国拥有世界上最多的人口。” population为不可数名词，表示人口的多少只能用“_ ”或 “_”修饰，提问人口用“_”。e. g. The population in developing countries is larger than that in developed countries. 发展中国家的人口比发达国家的多。 Whats the populat

15、ion of China?= How many people are there in China? ”中国的人口有多少？”largesmallwhat回答常用： Its The population of sp. is Sp. has a population of4. And it is increasing by 90 million every year. 并且它正在以每年9000万的速度增长。 increase 可作及物动词也可作不及物动词。意为“增长，增加，加强”等。 increase by+倍数/百分数 意为“_“ increase to+具体数字 意为“_“The popula

16、tion of the world will increase to 7.6 billion this year. 增加了增加到e. g. Food price increased by 5 percent in less than one year. ”不到一年，食品价格就上涨了5%。” My pocket money was increased to $50 last month. ”上个月我的零花钱增加到了50美元。”5. It has already reached 1.37 billion.reach 意为意为_Eg: He is so short that he cant reac

17、h the apples. I (到达到达)reached /_/_Quanzhou at 11:00p.m. last night. 实现，达到，够得着，到达实现，达到，够得着，到达arrived ingot to6. Whats more, the population in developing countries is growing faster. So it is. So it is. 意思是意思是_So+主语主语+_，表示对上文情，表示对上文情况的肯定和同意，意为况的肯定和同意，意为“确实如此确实如此”。Eg: Jane studies Chinese very hard. So

18、 she does. Tomy can play football very well. _. 的确是这样。的确是这样。be/情态动词情态动词/助动词助动词So he can. 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。确实如此。1c Read 1a and fill in the blanks. The world has a

19、population of 6.8 billion and it is increasing by _ every year. _ has the largest population. It has already reached _ and India is _ with 1.31 billion. 90 millionChina1.37 billionsecond1c Read 1a and fill in the blanks.The population in developing countries is _ and is growing _ than that in develo

20、ped countries. Luckily, our country has carried out some policies to _the population.largerfastersolve(Kangkang is)A：Wow! What .! Look, it says the world 7.2 billion. 90 million every year.B：Mm, thatsWhich country ?A：China It has1.37 billion and India iswith .B： the USA?A：321 million.B：Oh, I see. It

21、 shows developing countries developed countries, doesnt it?A：Yes. Whats more, is growing faster B：So. The population problem developing countriesA：Luckily, China the one-child policy solve the problem.Choose the best answer.1. _ is the population of Russia? 143 million. A. How much B. How many C. Wh

22、at 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. le

23、ssCDDA1. 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, developed countries, carry out, the one-child policy3. Some sentences: What a large population! The world has a population of 6.8 billio