新外研版英语八年级上册Module9Unit1课件(2).ppt

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1、Lead-inLook at the pictures . We can see many people in the world.导导Leaning aims1.The new words: noise, prepare, notes, report ,huge, increase, problem, birth ,billion ,fifth, grow, hang on, prepare for, too much2.The sentences: Whats the population of Beijing? The causes a lot of problems such as t

2、oo much traffic and noise. The population of China is about 1.37 billion. Hang on a minute3.The grammar:初步了解冠词和数词的用法，运用所学句型谈论人口问题。New wordsnoisepreparenotesreporthugeincreaseproblembirthbilliongrow噪声，杂音噪声，杂音准备；预备准备；预备笔记；随笔笔记；随笔报告，汇报报告，汇报巨大的；庞大的巨大的；庞大的增大，增长增大，增长问题，麻烦问题，麻烦出生出生十亿十亿增长，增大增长，增大noiseprepar

3、ehugeWhat was he/she/it doing?growproblembirthreportincreasenotesbillionCan you say these numbers? 1 2 3 4 5 6 7 8 9 10 11 12 13 20 21 30 60 80 90 100Can you say these numbers? 1 2 3 4 5 6 7 8 9 10 11 12 13 20 21 30 60 80 90 100onetwothreefourfivesixseveneightnineteneleventwelvethirteen twentytwenty

4、-onethirtysixtyeightyninetyhundred 101 110 122 1,000 1,000,000 1,000,000,000one hundred and oneone hundred and ten one hundred and twenty-twoone thousand（千）（千）one million(百万）百万）one billion(十亿）十亿）1, 000, 000, 000billionmillion thousand1232,20012,000123,3401,234,567one hundred and twenty-threetwo thou

5、sand and two hundredtwelve thousandone hundred and twenty-three thousand, three hundred and fortyone million two hundred and thirty-four thousand five hundred and sixty-sevencomma 逗号逗号注注 意意英语中四位数和四位数以上数字的读法：英语中四位数和四位数以上数字的读法： 从数字的右端向左端数起，每三位数加一从数字的右端向左端数起，每三位数加一个逗号个逗号“，”。从右开始，第一个。从右开始，第一个“,”前的数前的数字后

6、添加字后添加 thousand，第二个，第二个“,”前面的数字前面的数字后添加后添加 million，第三个，第三个“,”前的数字后添加前的数字后添加 billion。然后一节一节分别表示，两个逗号之。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。间最大的数为百位数形式。 Lets practice练练8,7421,370,000,0002,000,030,000eight thousand ,seven hundredand forty-twoone billion,three hundredand seventy milliontwo billion and thirty tho

7、usand1. Whats the population of Beijing? a) About 11 million. c) About 20 million. b) About 13 million.2. Whats the population of Chongqing? a) About 28 million. c) About 36 million. b) More than 33 million.2. Whats the population of the world ?1. How many babies are born every minute in the world?O

8、ver 250Obout 7 billionPeople in the worldBabies born every minuteBabies born every yearPopulation of ChinaPopulation of the worldRead the conversation and complete the table.over 250131.4 million1.37 billion7 billionRead the sentences1.Whats the population of Beijing?北京的人口是多少？北京的人口是多少？在询问人口时，要注意在询问人

9、口时，要注意 population .通常用通常用what来提问来提问. 它它是一个集体名词作主语时，若指一个整是一个集体名词作主语时，若指一个整体人口谓语动词通常用单数；形容人口多与少时体人口谓语动词通常用单数；形容人口多与少时用用large 和和small. For example:The population of China is about 1.37 billion.中国的人口大约是中国的人口大约是13.7亿。亿。Beijing is a huge city with a large population.北京是一个人口众多的大城市。北京是一个人口众多的大城市。讲One fifth

10、分之一；分数的表示方式：分子是基数词，分之一；分数的表示方式：分子是基数词，分母是序数词五；如果分子大于分母是序数词五；如果分子大于1，分母要用复数形，分母要用复数形式。式。two fifths 五分之二五分之二2.The population of China is almost one fifth of the worlds populatian.那几乎是世界人口的五分那几乎是世界人口的五分之一。之一。3.I am preparing some notes for a report.我正在为我正在为一篇报告准备笔记一篇报告准备笔记Prepare for为为.做准备做准备 4.The cau

11、ses a lot of problems such as too much traffic and noise.那引起了许多问题，例如有太多的车辆和噪音。那引起了许多问题，例如有太多的车辆和噪音。too many太多太多后接可数名词复数，后接可数名词复数，too much太多太多后接不可数名词，后接不可数名词，much too太太后接形容词后接形容词1. -What are you preparing _ your party? -Im thinking about who Ill invite. A. at B. for C. with2. There are _ people in th

12、e little room. A. too much B. too many C. very muchBB3. _ of the worlds population is in China. A. One five B. One fifths C. One fifth 4. The population of Beijing_ about 20 million A. is B. are C. beCA5. How do you read 131,000,000? _.A. One hundred and thirty-one millionB. One hundred thirty one m

13、illion C. One hundred and thirty one million A1. You have _ shoes.2. Sometimes I eat _ noodles.3. The work is _ hard for us.4. She drank _ water.5. Among ourselves, that young mans hair is _ long.too manytoo manyFill in the blanks. too many, too much和和much too too muchtoo muchmuch tooSummary结结.What have you learned in this lesson?Make a report to describe population increase of the world.