Chapter 2 Protecting our environment
Pre-reading questions: 1. What part of the nature do you think is beautiful?
the sea
the lake
a stream
the forest
2.Now human beings are doing something bad to the nature. How many kinds of pollution do you know?
air pollution
water pollution
land pollution
noise pollution
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--
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)
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.
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
Air pollution: The leaves of trees remove dangerous chemicals and dirt from the air and produce oxygen.
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.
Noise pollution: Trees reduce noise from vehicles.
3 Which of the following come from trees? a apples b beans c cotton d oil e tea f rubber
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
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
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
clear-cut logging
opencast mining
Slash and burn farming
global warming
ozone layer
acid rain
eco- activity friendly ecology tourism protection catastrophe