《unit1itsthebiggestcityinchina课件》初中英语外研社2001课标版九年级上册课件

M11 Population Unit 1 Its the biggest city in China.,By Cathy Chen from No. 10 Middle School,What problems does it cause?,Test,The population problem may be the 1 one of the worlds problems today. The worlds population is growing 2 . Two thousand years ago, there were only 250 million people 3 the earth. Four hundred years ago, the number was nearly 500 million. But at the beginning of the 4 century, the worlds population was about 1,700 million. In 1970, this number was 3,600 million. In 1990, the number was five billion. A 5 report said that the world population would pass six billion by the end of 20th century. This is just years after it reached five billion. People say that by the year 2010, it may be seven billion.,2.5 minutes to finish it.,Keys to the test,The population problem may be the 1 _one of the worlds problems today. The worlds population is growing 2 _ . Two thousand years ago, there were only 250 million people 3_ the earth. Four hundred years ago, the number was nearly 500 million. But at the beginning of the 4_ century,C.greatest,A.faster and faster,B. on,C. twentieth,Keys to the test,the worlds population was about 1,700 million.In 1970, this number was 3,600 million. In 1990, the number was five billion. A 5_ report said that the world population would pass six billion by the end of 20th century. This is just years after it reached five billion. People say that by the year 2010, it may be seven billion.,B. UN,人群,crowd,New words study.,增长,increase,噪音,noise,污染,pollution,人口,population,烟雾,smoke,空间,space,交通,traffic,交通工具,transport,population crowd increase smoke minute percent appointment along with thanks to,人口,与一起,约定,百分之一,分钟,n.烟,烟雾v.吸烟,增长,人群,Review the new words.,由于、多亏,Complete the sentences,1. Ten percent of the _ lived in the country. 2. The factory has produced a lot of _ so it should be closed.,population,pollution,crowd, increase, noise, pollution, population, smoke, space, traffic, transport,3. When we got to the party, there was quite a(n) _ of people there already. 4. At that time of night, there was no _ in the street. 5. That big table takes up too much _ in my small kitchen. 6. If every family have more than one child, the pupulation will _ rapidly.,transport,increase,space,crowd,The worlds population increasing,表达几十几,几百几十几时,注意:个位与十位间一般要用连字符号”-”,十位与百位间用”and”,千位以上的数字要加逗号.,灵犀一指,17 读作: 54 读作: 158 读作:,seventeen,fifty-four,one hundred and fifty-eight,How to read correctly the number.,8,794 读作:,eight thousand,seven hundred and ninety-four,How to read correctly the number.,4位数字以上的表达方法 逆向第一个逗号读thousand；向左再推三位，第二个逗号读million；第三个逗号读billion。,25,348 2,198,679 5,732,764,000,twenty-five thousand,three hundred and forty-eight,two million,one hundred and ninety-eight thousand,six hundred and seventy-nine,five billion,seven hundred and thirty-two million,seven hundred and sixty-four thousand.,Listen and choose the right answers .,1、Why was Bettys shopping trip unsuccessful? a)Too many people. b)Too noisy. c)Too much pollution. 2、Whats the population of Beijing? a)About 11,000,000. b)About 13,000,000. c)About 15,000,000. 3、Whats the population of Chongqing? a)About 27,000,000. b)About 31,000,000. c)About 36,000,000.,Listen and answer the questions,1.Whats this weeks homework? 2.Which is the biggest city in China,Beijing,Chongqing or Tianjing?,4 Listen and complete the table.,Listen and answer the questions,1.Whats this weeks homework? 2.Which is the biggest city in China,Beijing,Chongqing or Tianjing?,Population,Chongqing,4 Listen and complete the table.,259,136,130,400,1,300,000,000,6,500,000,000,Lets read after the computer sentence by sentence.,Learn more.,Everyday English and language points,(1). too many / too much 太多. Eg: 1) There are too many people in the park on Sunday. 2) I have drunk too much water and I want to go to the toilet. 3) This problem is much too difficult. I cant work it out.,可数名词复数形式,不可数名词,形容词/副词,Exercise,1)There is _ traffic and _ people in the street at the moment. A. too much, too many B. too many, too much C. much too, too many 2) The computer is _ expensive. I cant spend _ money on it. A. much too, much too B. too much, much too C. much too, too much,A. too much,too many,C. much too,too much,(2). increasing 增长的， increase vi. Eg: The population of our city has incresed by 20%. The population of our city has increased to 6 million.,增加了+ 倍数或百分比,增加到+具体数字,Exercise,3)棉花的产量增加了10%。 The cotton output has _ 10%. 4)他们学校学生的数量已增加到三千人。 The number of the students in their school has _3,000.,increased by,increased to,(3). population 人口， Eg: 1)What was the worlds population in 2000? 2)The Indias population is very large but it is smaller than Chinas.,Exercise,5)-_ is the population of your city? -About six million. A.What B. How C.How many 6)The experts think that Indias population may be _ than Chinas _ 2020. A.much,by B.more,in C.larger,by,A. What,C.larger,by,(4). appointment 约会 Eg: Mary has made an appointment with John. 7) 我们已经约好下周六去爬山了。 We _ to go mountain climbing next Saturday. 8)在西方国家，如果你想拜访朋友，你必须先预约。 In western countries, if you want to visit a friend, you must _ .,make an appointment,with sb. to do sth.,have made an appointment,make an appointment first,(5). come up 出现，发生，进行 Eg: You know our sports meeting is coming up next week. 9)The question has never _, no one knows what to do. A.come down B.come up C.come up with 10)-Why does Xiao Ming look so happy? -Because his birthday is _ soon. He can get many presents on that day. A.coming up B.coming over C. coming on,B. come up,A. coming up,(6). thanks to + _/ _ 多亏 Eg: Thanks to Tom, we can solve this problem successfully. Thanks to drinking enough water, I didnt get sick on such a hot day. 11) _the doctor, the boy came back to life. A. Good luck to B.Thanks to C.Welcome to 12) 幸好有这场大雨，今天凉快多了。 _ the heavy rain, its much in the cooler today.,B.Thanks to,Thanks to,sb/sth,doing sth,Talk about the pictures.,less space,hungry, less food,sick, pollution,poor,die, less resources(资源）,many people go for one job,Brain Storm,What problems does it cause?,more pollution,less food,less space,jobs,less resources,more transport,There is/are.,Summary of the conversation.,While Betty is seeing the head teacher, the others plan a new “Homework Help” for