It’s the biggest city in China教案

标签：人教版九年级英语教案,初中英语教案,http://www.yf1234.com It’s the biggest city in China教案,
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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www.yf1234.com 5. What can you do to make this world a better place?
6. What 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 people's standard of living?
10. What's happening to forests in your place?
Step6 practice
板书
MODULE 11 Population unit 1 It’s the biggest city in china
(For how to say really big number, go to:
about 20 percent of the world's population

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It’s the biggest city in China教案