初三外研版M11-Unit-3课件

1、 外研初中三年级上册外研初中三年级上册 Module 11 Population Unit 3 Language in use Beijing is a big city. Chongqing is the biggest city in China. But an increasing population is an environmental problem in many countries. Language practice The small local school in Parkvilille closed down. Arnwick needs larger hospita

2、ls and more doctors, better public transport and fewer private cars. 136, 130, 400 (one hundred and thirty-six million, one hundred and thirty thousand, four hundred) Mina lives in a big city. She is (1) _ eighteen-year-old girl. Shes got (2) _ brother and (3) _ sister. Mina is (4) _ oldest child in

3、 (5) _ family. (6) _ city where she lives is very big. (7) _ population is more than 10 million. Mina doesnt have (8) _ education. She has (9) _ job working in (10) _ factory. She hopes that one day she Will have (11) _ chance to go to (12) _ school. an a athe theThe The an a a a / Write a, an, or t

4、he where necessary. Write the words with a, an, no article (/) or in plural form. 1. The (1) _ of many countries is increasing quickly. Because of this, it is difficult to provide enough (2) _ which people need. population jobs crime experience hospital job population rubbish traffic 2. People who a

5、re ill need places in (1) _. Policemen are also needed to fight (2) _. The cities and countryside need to be clean and free from (3) _. hospital crime rubbish 3. And because of too many cars, trucks and buses, there are a great number of (1) _ problems. This is not right. Living in a city should be

6、an (2) _ which people enjoy, no one which is bad for them. traffic experience Complete the conversation with a, an, the or no article ( / ). 1. A: were going on / holiday / at / end of / school term Were going on holiday at the end of the school term. to me, Venice is / most beautiful / city / Italy

7、 To me, Venice is the most beautiful city in the Italy. 2. B: are you going skiing in / mountains again? Are you going skiing in the mountains again? 3. A: no, were going to / Sicily No, were going to Sicily. 4. B: is that / capital city of / Italy? Is that the capital city of Italy? 5. A: no, its /

8、 island / off / west coast of / Italy No, its the island off the west coast of Italy. 6. A: all / people who have been there say its one of / most beautiful places in / world All the people who have been there say that its one of the most beautiful places in the world. Work in pairs. Guess the popul

9、ation of each country in list. Write the list in order, starting from the largest population. Australia the Bahamas China United States of America 1,300,000,000 297,000,000 20,137,000 303,000 Now read your answers to the class. Do you all agree on the countries and their populations. Now listen and

10、check. China: USA: Australia: The Bahaman: 1,300,000,000 297,000,000 20,137,000 303,000 Read the chart and answer the question (million) Kolkata Mumbai New York Mexico City Tokyo 1 3. 1 1 6. 7 1 6. 1 2 2. 6 1 6. 7 1 7. 9 1 8. 1 2 0. 4 2 6. 4 2 7. 2 1. Which city had the largest population in 2000? 2

11、. Which citys population will increase fastest from 2000 to 2015? 3. Which will be the larger, the increase in New Yorks population or in Mexico Citys? Tokyo. Mumbais population. In Mexico Citys. 4. Which will be small, the increase in New Yorks population or Mumbais? 5. Which city / cities do you t

12、hink will have the biggest population problem? Why? In New Yorks. Students own answers. Complete the diagram showing population problems. air city countryside crime hospital increase illness water People move from _ People arrive in _ Problem: Population _ the countryside the city increases 1. 2. 3.

13、 1. Problems for the enviroment Examples: pollution of _ 2. Health problems Examples: _ _ water, the air too many illnesses; 3. Problem for police Examples: _ crime not enough hospitals Complete the passage with the correct form of the words in the box. Our world is facing many problems now. Two of

14、the biggest are the increasing population and pollution. The (1) _ of the world is in- creasing quickly. Why is this happening? city countryside environment hospital illness noise pollution population smoke space traffic population Well, firstly because more babies are born every year. Secondly, we

15、are able to cure many (2) _ now in our excellent (3) _, so people are able to live longer. Many people are leaving the (4) _ to go and work in the (5) _. So these places are becoming too crowded: there is not enough (6) _ for everyone. illnesses hospitals countryside city space Another huge problem

16、for the world is (7) _. Do we even know how dangerous the air is? Factories fill the sky with black (8) _. Too many cars on the road cause (9) _ problems, and planes make loud (10) _ when they take off and land. We are going to have to work hard to protect the worlds (11) _. pollution environment no

17、ise smoke traffic Listen and choose the best summary. a. You dont have to own a car in order to drive one. b. Members of a car club dont often use public transport. c. Car clubs are still to be introduced to the USA. Listen again and answer the questions. 1. Which is the main advantage of using a ca

18、r for transport? You may use a car to get around in cities. 2. How can you save money by joining a car club? You neednt to pay the repair costs and vehicle taxes by joining a car club. 3. In which way do members of car clubs improve their health, and the health of the planet? By joining a car club,

19、members use the car less. They take public transporting instead, or walk or cycle. This is healthier. Work in pairs and discuss this question. Do you think car clubs would be popular in China? Why? Why not? Complete the passage with the correct form of the phrases in the box. add to at the same time

20、 close down come up protectfrom A meeting is (1) _ next week to discuss the citys problems. A factory coming up has (2) _, and this means that there are fewer jobs. (3) _, more people are moving to the city, and this (4) _ our problems. We must (5) _ people _ crime. been closed down At the same time

21、 adds to protectfrom Around the world World population and water in the year 2050 Population and water 1. 58% people will have enough water 2. 24% people will have some water 3. 18% people will not have enough water Module task: Making a graph Work in groups. Choose a topic for your graph. Choose a

22、country, region or town which interests you. It could be the place where you live. Decide the years you want to look at for example, now, 10 years ago and 10 years from now. Research the population of your place in those years. Write it down carefully. Make your graph. Decide how you want to make yo

23、ur graph. Draw it and colour it. You can make it on the computer if you like. Label it clearly and ask the teacher if you need any help. Put it up on the wall for the other students to see. Present your graph to the class. 冠词冠词Grammar 冠词是置于名词前，用来说明名词所表冠词是置于名词前，用来说明名词所表 示的人或物的一种虚词，不能单独使用。示的人或物的一种虚词，不

24、能单独使用。 冠词分为不定冠词冠词分为不定冠词a / an 和定冠词和定冠词 the。 学习时注意以下原则：学习时注意以下原则： 1. 可数名词单数前用不定冠词表泛指。可数名词单数前用不定冠词表泛指。 2. 可数名词复数及不可数名词表示泛指可数名词复数及不可数名词表示泛指 时，其前不加冠词。时，其前不加冠词。 3. 无论可数名词还是不可数名词，表示特无论可数名词还是不可数名词，表示特 指时，要加定冠词。指时，要加定冠词。 1. 不定冠词不定冠词 a / an的用法：的用法： 1) a 用以辅音音素开头的单词，用以辅音音素开头的单词，an 用以用以 元音音素开头的单词。元音音素开头的单词。 如：

25、如： a book, a table, an elephant, an orange 2) 表示数量表示数量“一一”，意思与，意思与“one”接接 近，但数的概念没有近，但数的概念没有one强。强。如：如： The little girl played a whole day outside. 小女孩在外面玩了一整天。小女孩在外面玩了一整天。 3) 用于首次提到的某人或某物前，表泛指。用于首次提到的某人或某物前，表泛指。 A teacher from England will teach us English. 一位来自英格兰的教师将教我们英语。一位来自英格兰的教师将教我们英语。 4) 用于可

26、数名词的单数前，表示一类人或物。用于可数名词的单数前，表示一类人或物。 A tiger is dangerous. 老虎很危险。老虎很危险。 5) 表示某类人或事物当中的任何一个相当表示某类人或事物当中的任何一个相当 于于one。泛指人或事物的类别。如：。泛指人或事物的类别。如： He is a ballplayer. 他是一位棒球手。他是一位棒球手。 6) 表示表示“每一个每一个”，相当于，相当于every。用在表。用在表 示时间，速度，价格的名词前。示时间，速度，价格的名词前。 You should take this medicine times a day. 你应该每天服三次药。你应该

27、每天服三次药。 7) 表示表示 “某一某一” A Mr. Wang is waiting for you. 一个姓王的先生在等你。一个姓王的先生在等你。 2. 定冠词定冠词 the 的用法的用法: 1) 定冠词是指特定的人或物，用于特指的定冠词是指特定的人或物，用于特指的 名词前。如：名词前。如： The book is mine. 2) 表示上文提到的或说话双方都知道的人表示上文提到的或说话双方都知道的人 或物。或物。 如：如： I heard a report. The report was about war. Please close the window before you fal

28、l asleep. 3) 用于序数词、形容词最高级以及对两者用于序数词、形容词最高级以及对两者 进行比较时起特定作用的比较级前。如：进行比较时起特定作用的比较级前。如： Our classroom is on the second floor. Its the most interesting book I have. I have two sisters. The elder one is a doctor. 5) 世界上独一无二的事物前常用世界上独一无二的事物前常用the，如：，如： The moon goes round the earth. 6) 在姓的复数形式前加在姓的复数形式前加t

29、he，表示一家人或，表示一家人或 夫妇两人，如：夫妇两人，如： the Greens 格林一家人或格林夫妇格林一家人或格林夫妇 7) 用于某些形容词前表示一类人或事物。用于某些形容词前表示一类人或事物。 the rich, the poor, the old 8) 用于江河、山脉、湖泊、岛屿、杂志和用于江河、山脉、湖泊、岛屿、杂志和 报纸等专有名词前。如：报纸等专有名词前。如： the Changjiang River, the Great Wall, the Summer Palace 9) 用于由普通名词构成的专有名词前。如用于由普通名词构成的专有名词前。如 the United Stat

30、es 10) 用于乐器名称前。如：用于乐器名称前。如： play the piano / violin 11) 用于固定短语中。如：用于固定短语中。如： at the moment, by the way, in the middle of 3. 零冠词的用法零冠词的用法 一般来说，在一个句子中有时不一般来说，在一个句子中有时不 加冠词，如：加冠词，如：We go to school by bus. 这种不加冠词的现象，就叫这种不加冠词的现象，就叫“零冠词零冠词”。 1)复数可数名词前，表示人或物的类别，复数可数名词前，表示人或物的类别， 或泛指不定量的人或物。如：或泛指不定量的人或物。如： Horses are useful animals. There are pens and books on the desk. 2) 当名词前有物主代词、指示代词、不定当名词前有物主代词、指示代词、不定 代词及名词所有格等修饰时。如：代词及名词所有格等修饰时。如： She is our math teach