MODULE 11 Population Unit 1 It’s the biggest city in China
教学案例
Function Talking about and understanding large numbers
Structure Articles; large numbers
Listening/Speaking Completing a table with numbers
Talking about population
Reading/Writing Checking your own ideas with a passage
Writing about the problems of your city
Around the world Population and water
Task Making a graph
Unit 1It’s the biggest city in china
Step 1 Warm up by talking about population.
Hello, class. We have come to Module 11 Population. But what is population?
A population is the number of living things in an area. A city's population is the number 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 usually 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 Help
Before we listen to it, let’s go on to read it first. 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 week's homework, too much traffic, in the right place, talk about…, 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 world's population, come toward…, one’s appointment with…, the head teacher, 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 with…
step 3 Find sentences with articles; large numbers.
Go over the 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 million…
4,215→four thousand, two hundred fifteen
12,321→twelve thousand, three hundred twenty-one
34,455,672,456→thirty-four billion, four hundred fifty-five million, six hundred seventy-two thousand, four hundred fifty-six
23,165→twenty-three thousand, one hundred sixty-five
3,257,890→three million, two hundred fifty-seven thousand, eight hundred ninety
345,216,789,065,443→three hundred forty-five trillion, two hundred sixteen billion, seven hundred eighty-nine million, sixty-five thousand, four hundred forty-three
1,234,567,890→one billion, two hundred thirty-four million, five hundred sixty-seven thousand, eight hundred ninety
12,345,678,901,234,567,890→twelve 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: http://www.mathcats.com/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 China?
Daming: The population of China is about one billion, three hundred million…
Lingling: It is about 20 percent of the world's population.
Daming: A large population makes many problems for our country.
Tony: And we're 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 much 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 pollution.
1. How has the world changed since you were a child?
2. If humans are really clever, why can't 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?
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