Unit 7. World population

Unit 7. World population tài liệu, giáo án, bài giảng , luận văn, luận án, đồ án, bài tập lớn về tất cả các lĩnh vực kin...

Population explosion � Poverty �

Warm up:What are the following pictures about?

Homeless �

Shortage of foods �

Lack of schools � Unemployment �

What is the main cause of these problems?

=> The increase of population

I Before you read:

Look at the paraghrap below and find the newwords

Research has shown that the average Third World woman has more children than she wants Among the women who do not think they Have too many children, half

of them do not want to have any more However, although millions of women want

to limit the size of their families, they know of no safe way to have fewer children Safe birth-control methods for family planning are not available to them It is time governments and international organisations did something to help them so that the world population growth can start to decrease instead of continuing to

increase.

Does the Earth has enough resources to support this many people? Different

scientists give different answers to this question Some say that there are enough resources to support 8 billion people Others say that we must limit population

growth because our resources are limited Only 10 percent of the Earth’s land can be used for farming and another 20 percent for raising animals.There is a limit to the water we can use There are also limits to the amounts of petroleum,iron, silver,

gold, and other metals

 Read the passage and then do the tasks that follow.

The population of the world has been increasing faster and faster In 10,000 B.C., there

were probably only 10 million people In A.D 1, there were 300 million It took 1,750 years for the world population to reach 650 million In 1850, only one hundred years later the

population reach the figure had more than double to reach 2,510 million In 2000, the

world’s population was about 6.6 billion, and by 2015 it is expected to be over 7 billion.

+ Population: (n) / pɔpju’leiʃn / dân số

+ figure (n) / ‘figə / = number :

625 , 300, 650

con số + double (a) / ‘dʌbl /: gấp đôi

+ resources (n) / ri’sɔ:s /: nguồn tài nguyên, khoáng sản

+ limit (n/v) / ‘lɪmɪt /: hạn chế, giới hạn

+ raise animals / reiz ‘ӕnɪməlz /: nuôi động vật

+ birth-control method: / bɜ:θ kən’troul ‘meθəd /

phương pháp hạn chế sinh đẻ

+ family planning: / ‘fӕməli’plӕnɪŋ / kế hoạch hóa gia đình

+ increase (v) : / ɪn’kri:s / = rise (v) tăng lên ≠

+ decrease (v) : / dɪ’kri:s/ giảm xuống

+ control (v) : /kən’troul/ kiểm soát, điều khiển

+ international organizations: / intə’nӕʃənl , ɔ:rg ənə’ze ɪ ʃn/ TC Quốc tế + method (n) : /’meθəd/ phương pháp

A Vocabulary

+ B.C : (Before Christ): trước Công nguyên Ex: In 2000 B.C.

+ A.D: (Anno Domini): sau Công nguyên Ex: In A.D 2000

+ (to) support (v) = provide: cung cấp

+ It is time + clause (past simple): Đến lúc phải làm việc gì

ex : It is time you went to bed

+ Third World : thế giới thứ 3

* CHECK VOCABULARY: - Rub out and remember

1 Population: (n) / pɔpju’leiʃn /

2 figure (n) / ‘figə / = number :

3 double (v) / ‘dʌbl / :

dân số con số gấp đôi

4 resources (n) / ri’sɔ:s /: nguồn tài nguyên, khoáng sản

5 limit (n/v) / ‘lɪmɪt/ : hạn chế, giới hạn

6 control (v) / kəntroul /: kiểm soát, điều khiển

7 increase (v) : / ɪn’kri:s / tăng lên

8 method (n) : / ‘meθəd/ phương pháp

Task 1: The words in the box all appear in the passage Fill in

each blank with a suitable word

limit

control

figures increases method international

although

resources

1 _ millions of women want to limit the size of their families, they know of no safe way to have fewer children

2.Can you explain the for changing salt water to fresh water?

3.The number of injuries from automobile accidents every year.

4.Some countries are poor because they have very few natural _

5.These are all : 1, 75, 293.

6 There is a(n) _of 20 minutes for this short test Students must turn in their papers at the end of 20th minute.

7 The United Nations is a(n) _ organization.

8 Some children behave badly and their parents

can’t _them.

Research has shown that the average Third World woman has more children than she wants Among the women who do not think they Have too many children, half

of them do not want to have any more However, although millions of women want

to limit the size of their families, they know of no safe way to have fewer children Safe birth-control methods for family planning are not available to them It is time governments and international organisations did something to help them so that the

Does the Earth has enough resources to support this many people? Different

scientists give different answers to this question Some say that there are enough resources to support 8 billion people Others say that we must limit population

growth because our resources are limited Only 10 percent of the Earth’s land can be used for farming and another 20 percent for raising animals.There is a limit to the water we can use There are also limits to the amounts of petroleum,iron, silver,

gold, and other metals

II While you read:

 Read the passage and then do the tasks that follow.

The population of the world has been increasing faster and faster In 10,000 B.C., there were probably only 10 million people In A.D 1, there were 300 million It took 1,750 years for the world population to reach 650 million In 1850, only one hundred years later the population reach the figure had more than double to reach 2,510 million In 2000, the world’s population was about 6.6 billion, and by 2015 it is expected to be over 7 billion.

Order Year The figures/ numbers of the World Population

1 10,000 B.C

2.

4 1,300 million

5.

6.

Exercise 1: Fill in the table with the years and the figures

10 million

625 million

1850

6,6 billion

expected to be over 7 billion

Exercise 2: Choose the best answer.

1.The population of the world every year.

A decrease B double C increases D limit 2.The word “ figure “ in line 5 means

3 In _, the world population reached the figure of 1,300

million.

4 If you number 5, you will get number 10.

5 According to the passage, the world population will be over _

by the year 2015

1 All the scientists agree that the Earth has enough resources to

support the world population.

F - Different scientists have different ideas ( line 1,2; Paragraph 2)

Exercise 3: Decide whether the statements are true(T) or false (F)

T - ( line 5; Paragraph 2)

2 According to the passage, only 10 percent of the earth’s land can

be used for farming.

3 Governments and international organizations should do something

to help increases the population growth.

F- ( decrease - line 8; Paragraph 3)

THANK YOU VERY MUCH!

Does the Earth has enough to support this many people? Different scientists give different answers to this question Some say that there are enough resources to support 8 billion people Others say that we must _population growth because our resources are limited Only 10 percent of the Earth’s land can be used for farming and another 20 percent for _ There is a limit to the

water we can use There are also limits to the amounts of

petroleum,iron, silver, gold, and other metals.

The _of the world has been increasing faster and faster In 10,000 B.C.,

there were probably only 10 million people In A.D 1, there were 300 million It took

1,750 years for the world population to reach 650 million In 1850, only one hundred years later the population reach the had more than _to reach 2,510 million In

2000, the world’s population was about 6.6 billion, and by 2015 it is expected to be over 7 billion

population

resources limit

raising animals

- Learn by heart the new words

- prepare next lesson.