1、MODULE 11 Population Unit 1 Its the biggest city in China教学案例FunctionTalking about and understanding large numbersStructureArticles; large numbersListening/SpeakingCompleting a table with numbersTalking about populationReading/WritingChecking your own ideas with a passageWriting about the problems o
2、f your cityAround the worldPopulation and waterTaskMaking a graphUnit 1Its the biggest city in chinaStep 1 Warm up by talking about population.Hello, class. We have come to Module 11 Population. But what is populationA population is the number of living things in an area. A citys population is the n
3、umber of humans living in that city. The population includes all ages and races that live in that certain area.Population density is the average number of people in a place. In areas with a high population density, people live close to each other. In areas with a low population density, people usual
4、ly live far away from each other.Usually population is about the number of animals or humans there are in a certain area.Step2 Listen and read. On page 88 is a conversation among Betty, Lingling, Daming and Tony. They are talking about Homework HelpBefore we listen to it, lets go on to read it first
5、. While reading, try to: cut/ the sentence into thought groups, study the predicative, darken the connectives and underline all the useful expressions. (阅读过程中，断开/意群，观察谓语构成，圈出连词，摘录短语搭配。)Useful expressions (有用的短语搭配)how about another, this weeks homework, too much traffic, in the right place, talk abou
6、t, the biggest city in China, an increasing population, an environmental problem in many countries, along with the crowds, the transport problems, look up some facts, make 136,130,400 babies every year, about 20 percent of the worlds population, come toward, ones appointment with, the head teacher,
7、the school-prize giving, come up next week, with the usual form prizes, the basketball competition, the photo competition, a special prize for, the best new school magazine in Beijing, thanks to, present the prizes, no idea, the singer withstep 3 Find sentences with articles; large numbers.Go over t
8、he conversation again to find sentences with articles; large numbers. Then write a large number and say it in English. 1. Beijing is a big city.2. Chongqing is the biggest city in China. 3. That makes 136,130,400 babies every year. 4. And the population of China is about one billion, three hundred m
9、illion4,215four thousand, two hundred fifteen12,321twelve thousand, three hundred twenty-one34,455,672,456thirty-four billion, four hundred fifty-five million, six hundred seventy-two thousand, four hundred fifty-six23,165twenty-three thousand, one hundred sixty-five3,257,890three million, two hundr
10、ed fifty-seven thousand, eight hundred ninety345,216,789,065,443three hundred forty-five trillion, two hundred sixteen billion, seven hundred eighty-nine million, sixty-five thousand, four hundred forty-three1,234,567,890one billion, two hundred thirty-four million, five hundred sixty-seven thousand
11、, eight hundred ninety12,345,678,901,234,567,890twelve quintillion, three hundred forty-five quadrillion, six hundred seventy-eight trillion, nine hundred one billion, two hundred thirty-four million, five hundred sixty-seven thousand, eight hundred ninety(For how to say really big number, go to: :/
12、 mathcats /explore/reallybignumbers.html)Step 4Talk as they do. (仿说)Now in groups we shall try to say something about population and its problems. Make use of the information from the conversation we learned just now. Tony: What is the population of ChinaDaming: The population of China is about one
13、billion, three hundred millionLingling: It is about 20 percent of the worlds population.Daming: A large population makes many problems for our country.Tony: And were in the right place to talk about these problems.Lingling: There are too many people and there is not enough space, and there is too mu
14、ch traffic, noise and pollution.Tony: An increasing population is an environmental problem in many cities in China.Betty: Along with the crowds, there is too much smoke, and the transport problems are serious.Styep5 Close down by asking and answering conversation questions about environment and poll
15、ution.1. How has the world changed since you were a child 2. If humans are really clever, why cant they do anything about overpopulation 3. What are some things that can be recycled 4. What are some ways to reduce pollution in this country 5. What can you do to make this world a better place 6. What
16、 is the most important issue facing the environment today 7. What are some ways energy is wasted 8. What can we do to improve our air quality 9. How can we protect the environment and at the same time improve peoples standard of living 10. Whats happening to forests in your place Step6 practice 板书MODULE 11 Population unit 1
