1、Unit 1 The Changing WorldTopic 2 The population in developing countries is growing faster.Section B2 A.Look at the pictures and listen to the conversation.Then tick the places Steve has visited.shopping centercinemacentral parkdepartment storeB.Listen again and fill in the blanks.Then practice the c
2、onversation with your partner.(Steve and Helen are talking on the phone.)Steve:I have just been living here for a few days.Could you tell me some interesting places around here?Helen:Have you _ been to the new shopping center?Steve:No.Ive _ been there before.But Ive _ been to a department store.Hele
3、n:Then you can go there to do some shopping.By the way,have you _ been to the cinema nearby?Steve:Yes,Ive _ watched a movie there.It is wonderful.Helen:Have you been to the central park?Steve:No,I havent been there _.Helen:Then,you can have a walk there.Steve:Thank you.everneverjusteveryetalreadyone
4、 hundred and fifty yuanthousands ofpeopletwo point two six(2.26)meters talltwo thousand and eight Olympic Games1,000,000,000 one billion1,000,000 one million1,000 one thousand3.14three point one four100 one hundredFirst,try to separate the number in groups of three from right to left.Then read it in
5、 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 0billionmillionthousand543.7five hundr
6、ed and forty-three point seven1 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
7、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 million,three hund
8、red 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 population is increasing by80
9、 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 USAA.309 million B.6.8 billion C.1.3 billion D.1.1 billionMake similar conversations after the example.Example:A.:Whats the population of
10、 the world?B:Its about 6.8 billion.1.the world 2.China 3.India 4.the USAA.309 million B.6.8 billion C.1.3 billion D.1.1 billion1c 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 In
11、dia 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 millionChina1.3 billionsecondlargerfasterone-childThe supermarket is very crowded.So it is.So+主语+be/情态
12、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。两个句子的主语是同一个人！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 g
13、rowing faster B：So it is.The population problem developing countriesA：China carry out control the population.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 thousa
14、nd 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.lessCDDA1.Read numbers in English.2.Talk about population problems.1.Some words:cinema,department,nearby,population,bill
15、ion,increase,reach,luckily,policy Russia,measure,2.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.Weve learnt:We can:2.Read the numbers in Part 2 on P12.1.Read
16、 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。e.g.80%of the population in China are farmers.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。The population in this area is becoming smaller and smaller.这个地区的人口越来越少。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）通常用large/big/small 来修饰。increase by+数字/倍数/百分数增加了e.g.The price of the house has increased by three times.increase to+数字 增加到e.g.The price of the house has increased to 500 000.250250250250250250500
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