八年级英语上册 Module 9 Unit 1 The population of China is about 1.37 billion课件 (2).ppt

1、,9,Population,Module,Unit 1 The population of China is about 1.37 billion.,Do you know how many people are there in the world now?,7 billion,One day, the world will be like this.,How about China?,Its about 1.37 billion.,Chinas Population - Overview,Grasp the key words and key structure: noise, prepa

2、re, notes, report, grow, problem, birth, billion, fifth; Beijing is a huge city with a large population. That makes over 131.4 million births a year. 2. Reading aim: To be able to read and understand large numbers. 3. Affection: we should care more about the population problems of our country.,Teach

3、ing aims,/nIz / /prIpe / /nuts / /rIp:t / /ru / /hju:d/ /k:z /,噪声;杂音 n.,noise,准备；预备 v.,prepare,笔记；随 笔 n.(pl.),report,报告；汇报 n.,(grew /ru:)增长；增大 v.,notes,grow,Words and expressions,huge,造成；引起 v.,巨大的；庞大的 adj.,cause,/prblm / /Ikri:s / /b:/ /bIljn / /fIf/ hang on /flt /,麻烦；问题 n.,problem,增大；增长 n. 增大；增长 v,

4、increase,birth,出生 n.,十亿 num.,第五；五分之一 num.,billion,稍等,套房；公寓 n.,flat,fifth,1 Work in pairs. Look at the picture and talk about it. Use the words in the box to help you.,noise people space traffic,2 Listen and check the correct answer:,1 What is the population of Beijing? a) About 11 million b) About 1

5、3 million c) About 20 million 2 What is the population of Chongqing? a) About 28 million b) About 33 million c) About 36 million,3. Listen and read,Everyday English,I cant believe it! Hang on a minute! Great!,Then listen and read.,Betty: What are you doing? Tony: Im preparing some notes for a report

6、 called “Our growing population”. Lingling: Well, were in the right place to talk about that! Beijing is a huge city with a large population. That causes a lot of problems, such as too much traffic and noise. Betty: Its not only Beijing. Population,increase is a big problem in many countries. Do you

7、 know how many babies are born every minute in the world? Tony: No. Can you tell me? Betty: Over 250! That makes over 131.4 million births a year. Lingling: I cant believe it! Betty: The population of China is about 1.37 billion. Thats almost one fifth of the worlds population, that is, about 7 bill

8、ion. Tony: Hang on a minute! I will write that down too!,Betty: But in the future, Chinas population wont grow so fast, because families are getting smaller. Lingling: How do you know all this? Betty: I wrote my report yesterday! Tony: Great, thanks! Now I can write my report!,Babies born every minu

9、te in the world: Babies born every year in the world: Population of China: Population of the world:,Now complete the notes.,over 250,over 131.4 million,about 1.37 billion,about 7 billion,4 Choose the correct answer.,1 Birth happens at the start / at the end of life. 2 Huge means large / small. 3 An

10、increase in population means more / fewer people. 4 Hang on a minute means wait for a short time / a long time.,7 A report is a long piece of writing / a few words. 8 A billion is a hundred / a thousand million.,5 Making notes means writing a long passage / a few words. 6 A problem is something easy

11、 / difficult.,Pronunciation and speaking,5 Listen and repeat.,8,742 eight thousand, seven hundred and forty-two. 2,463,128 two million, four hundred and sixty-three thousand, one hundred and twenty-eight,1,370,000,000 one billion, three hundred and seventy million 2,000,030,000 two billion and thirt

12、y thousand,6 Check () the statements you agree with.,1 There are too many people in the world. 2 The increasing population is the biggest problem in the world. 3 People should not have too many babies. 4 A city should not hold more than one million people.,Now work in groups and discuss your answers

13、.,Grammar Focus,(一)数词 Numeral,数词是用来表示事物的数目和顺序的词。,数词的分类： 1.基数词 2.序数词 3.分数词 今天我们先来学习一下基数词。,1. 复习1100以内的所有数字。 2. 掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one 1 two 2 three 3 four 4 five 5,six 6 seven 7 eight 8 nine 9 ten 10,eleven 11 twelve 12 thirteen 13 fourteen 14,fifteen 15 sixteen 16 seventeen 17 eighteen 18

14、 nineteen 19,2、2090等十位数,twenty 20 thirty 30 forty 40 fifty 50 sixty 60 seventy 70 eighty 80 ninety 90,twenty-one 21 twenty-two 22 其它的十位数照此类推，如： thirty-one 31 forty-two 42 seventy-five 75 ninety-six 96,3、百、千、万,百 hundred 100 one hundred 200 two hundred 以此类推 千 thousand 1 000 one thousand 2 000 two thou

15、sand 英语里没有“万”这一单位，万也用thousand表示。如：10 000 ten thousand 一万20 000 twenty thousand 两万,4、十万、百万,十万的说法是： 100.000 a (one) hundred thousand 200.000 two hundred thousand million 百万 a (one) million 1 000 000 two million 2 000 000 以此类推 8 000 000 eight million,练一练 345 1001 18,657,421,three hundred and forty-five

16、,one thousand (and) one,eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one,The project lasted 5 years and cost 2 billion dollars. 2. The Chinese have been making paper for two thousand years. 3. One thousand punds is a lot of money.,表示确定数量时 用基数词+ hundred，thousand，mil

17、lion，billion,多位基数词读法,457,890,608,389,three hundred and eighty-nine,four hundred and fifty-seven,eight hundred and ninety,six hundred and eight,1）101999的三位数由“百位数and+两位数组成”。 如：325three hundred and twenty-five,102 one hundred and two,635 six hundred and thirty-five,2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗

18、号代表thousand, 第二个逗号代表million, 第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如： 2,648 two thousand, six hundred and forty-eight 16,250,064 sixteen million, two hundred and fifty thousand, sixty-four,确切数目与不确切数目的表达： hundred, thousand, million, billion等前面有 基数词，表示确切数目时，用单数，后直接 接复数名词；如： three hundred books one hun

19、dred people five thousand students seven million starts,表示不确切数目时，这类词后加-s且与of连 用。如： hundreds of people thousands of students millions of birds billions of lions 注意：这类短语中，名词前如有定冠词、指 示代词或形容词性物主代词时，可加of, 但 表示的是范围。如：two hundred of the workers工人中的二百（人）,Grammar Focus,(二)冠词 Articles,冠词的定义,不定冠词的用法,定冠词的用法,不用冠

20、词的情况,用冠词和不用冠词的差异,一.冠词的定义,冠词是一种虚词，没有词义，没有数和格的变化，不能单独使用，只能帮助名词或起名词作用的其他词类说明其意义。 冠词分定冠词和不定冠词两大类。定冠词特指一特定名词，不定冠词泛指一般普通名词。,二.不定冠词的用法,不定冠词有a和an两种形式，a用在以辅音开头的名词前，an用在以元音开头的名词前。它的用法如下： 1.表示“一个”的意思，与数词one相同。 例如：Rome was not built in a day. 罗马不是一天建成的；伟业非一日之功 The project(项目，计划) will be carried out（执行，贯策） in a

21、year or two.,2.表示一类人或事物。 例如：A dog is a faithful（忠诚的） animal. Even a woman can do it. 3.表示“每一”，相当于per，用于某些表示时 间、重量、长度等单位前。 例如：He earns two thousand yuan a month. The train is running sixty miles(英 里)an hour. 4.表示同样的人或事物，相当于the same。 例如：Birds of a feather（羽毛） flock (一群）together./They are people of a k

22、ind. 一群同样羽毛的鸟在一起/物以类聚，人以群分。,5.物质名词或抽象名词前用a 或an表示具体意义、制成品或种类。 例如：Green tea is a wonderful tea. She is a beauty.（美人） Please give me a coffee. 6.用于人名前，表示说话者对此人不认识，相当于“a certain”，也可指于某名人有类似性质的人或事物。 例如：A Mr. Chen came to see you this morning. He wishes to become a Newton.,7.有些世界上独一无二的东西，如sun, moon, sky,

23、universe（宇宙）,world（世间，地球） ,earth （地球）等，一般前面要用定冠词，但当他们前面有修饰语时，则要用不定冠词。 例如：We hope we can see a full moon tonight. He sat in a chair, looking at a starry 布满星星的 sky.,8. 在作单数可数名词定语的形容词最高级前， 如果不表示“最”，而表“非常”，则用不定冠词。例如： That is a best dictionary. This is a most troublesome（费事的） case. （情形，情况) 9. 序数词前，一般有定冠词

24、，但当表示“又一 个”时，则要用不定冠词。 例如：They have a second house. When I sat down, a fifth man rose (动词,rise的过去式 “站起来”）to speak.,10. 季节、月份、日期、三餐前有修饰语时， 用不定冠词。 例如：We had a wonderful lunch. We had a very cold winter last year. 11. 用在某些固定的短语中 例如：once upon a time （从前) in a hurry （匆匆忙忙） have a rest have a good time hav

25、e a look all of a sudden （突然地） have a cold/fever（发热）/cough/headache/ pain（疼痛）,Language points,1. Beijing is a huge city with a large population. That causes a lot of problems, such as too much traffic and noise. 北京是一个人口众多的大城市。那会引起 众多问题，比如交通拥挤，噪音污染等。 (1) population n. 人口,人数 1) 集体名词,无复数形式,在句中作主语时,谓 语动

26、词用单数形式.,目前的人口增长很快。 The population today is growing very fast. 2) population 之前若有分数或百分数修饰时, 用于指具体人数作主语时,谓语动词则用复 数形式. 这儿大约有五分之三的人口是农民。 About three fifths of the population here are farmers.,3) 表示某一范围内有多少人口时,用 has a population of + 数词. 中国有13亿人口。 China has a population of 1.3 billion. 4) 问某地有多少人口时, 用 Wh

27、at is/was the population of + 地名? 中国有多少人口? Whats the population of China?,(5) 表示人口的多少时,用large或small 修饰,而 不能用many, more或few等. 中国是世界上人口最多的国家。 China has the largest population of the world.,(2) too much,too much 太多(+名词/放在行为动词后 起限制作用) too many +可数名词,是”非常”的 意思 much too =quite+形容词/副词,是非常/ 十分,2. Hang on a

28、minute! I will write that down too! 等等，我要把这点也记下来！ Hang on 表示：“让某人等一下”；例如： Sallys on the other phone would you like to hang on? 萨利再接另一个电话，请您稍等一下可以吗？ Hang on! Ill be back in a minute. 稍等！ 我马上回来。,一、用英语写出下列数字：,ninety-eight thousand seven hundred and fifty-four,Nine hundred and eighty-three,Exercise,five

29、 hundred (and) sixty-six,seven hundred and nine,566_ 709_ 983_ 98 754_ _,3 872,Three thousand eight hundred and seventy-two,46 290,Forty-six thousand two hundred and ninety,58 230,Fifty-eight thousand two hundred and thirty,596 84,321 9,648,215,five hundred and ninety-six,eighty-four thousand three

30、hundred and twenty-one,Nine million, six hundred and forty-eight thousand, two hundred and fifteen,二、翻译下列句子。,1. 北京人口是多少？,_ _the _ _Beijing?,2. 中国的人口大约为13亿。,The _ _China _ _ _.,What is population of,population of is about 1.3 billion,4. 增长的人口给一些国家带来众多问题。,An _ _ causes _ _in some _.,3. 人口太多，空间不够。,Ther

31、e are_ _people and there is not _ _.,too much enough space,increasing population,many problems countries,( ) 1. The bike cost me _ yuan. A five hundred and forty B five hundreds forty C five hundred forty,A,( ) 2. _ people in the world are sending and receiving e-mails every day. A. Million of B. Ma

32、ny millions of C. Several million of,B,三、单项选择。,( ) 3. _ trees were planted on the mountain last year. A. Thousands of B. Thousand of C. Five thousand of,A,( ) 4. -Can you write the number eighty-five thousand, six hundred and twenty-six? -Yes, it is _. A. 856620 B. 85626 C. 58662,B,5 _ is the popula

33、tion of your country? A. How many B. How much C. What 6 As time goes on, the worlds population is _. A. more and more B. larger and larger C. smaller and smaller,B,C,Homework,Practice with your classmates to speak and write large numbers. Write some number cars and put them in your room. Whenever you see, read them quickly.,