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新世纪版八年级下册《Unit Four People and the Environment Lesson 1 Population Problems》精品说课课件ppt
They show the world population growth.
2. The population doubled from 1960 to 1999, didn’t it?
Yes, it did.
3. What was the world population in 2005?
It was 6 .4 billion.
Look at the graphs and answer the questions on P102.
1.How many continents are mentioned in the text?
There are 3.
2.What are they? They are Europe, Africa and Asia.
3.Why is the birthrate very low in Europe?
Because many young people have only one child or none at all.
4.How long do men and women in Europe live on average?
On average, men live to be 76, and women , 78.
( )1.The population in Africa is doubling every 20 years.
( ) 2. Many families have small numbers of children.
( )3. The population will increase 10 times in the next 8 years in Kenya.
( )4. It is not necessary for governments to consider ways to control the population growth.
Listen to the 3rd paragraph and do the True and False
F
24
F
large
F
80
F