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Chapter 2 Protecting our environment. Pre-reading questions: 1. What part of the nature do you think is beautiful?

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Presentation on theme: "Chapter 2 Protecting our environment. Pre-reading questions: 1. What part of the nature do you think is beautiful?"— Presentation transcript:

1 Chapter 2 Protecting our environment

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6 Pre-reading questions: 1. What part of the nature do you think is beautiful?

7 the sea

8 the lake

9 a stream

10 the forest

11 2.Now human beings are doing something bad to the nature. How many kinds of pollution do you know?

12 air pollution

13 water pollution

14 land pollution

15 noise pollution

16 A What do you know about… Brain storming: Trees are very important in our daily life. What can we get from trees? use--- eat--- drink-- wear--

17 A What do you know about… Brain storming: Trees are very important in our daily life. What can we get from trees? use-- eat-- drink-- wear-- pencils, chopsticks, tables, chairs, paper fruit, nuts Tea (leaves), coffee (beans) flowers, shoes(rubber)

18 Before you read the interview on the next page, try this quiz about trees. A B a mice i 75 years b pine trees ii 14 years c cats iii 25 years d dolphins iv 1,200 years e people v 2 years 1 How long do they live? Match the items on the left with the ages on the right.

19 2 Pollution means the process ofmaking things dirty and unhealthy. Which type of pollution do trees help fight? A air pollution B noise pollution C water pollution D all of the above

20 Air pollution: The leaves of trees remove dangerous chemicals and dirt from the air and produce oxygen.

21 Water pollution: Trees around reservoirs help keep the water clean by removing dust and dirt from the air, and their roots prevent the soil from being washed into the water.

22 Noise pollution: Trees reduce noise from vehicles.

23 3 Which of the following come from trees? a apples b beans c cotton d oil e tea f rubber

24 4 The best-known flowers in Shenzhen are azaleas. These sweet-smelling flowers are known as the flowers of Shenzhen city. Which picture shows azaleas? banana treespalm trees azaleas

25 B look and think Before you read the interview, look at the title, the introduction and the pictures. Then say whether the following statements are T or F. 1 The pollution fighters are probably scientists. 2 Few useful products come from trees. 3 Trees give out harmful gases. 4 Trees can pass information to one another. F F F T

26 A 1project 2interviewing 3breathing 4natural 5warn 6a chemical 7cut down C2 Find the words in Column A in the interview and match them with the meanings in Column B. B A made by nature, not by man B talking to someone and asking them questions C a careful study of a subject by school or students D taking in air E something produced by or used in chemistry F cut something to make it fall down G say that something bad or dangerous may happen

27 clear-cut logging

28 opencast mining

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30 Slash and burn farming

31 global warming

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33 ozone layer

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36 acid rain

37 eco- activity friendly ecology tourism protection catastrophe


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