Unit 11 / Lítening

Before you read

Work in pairs. List some of the things you use energy for in your house

Ex :
fan TV computer
fridge radio cooker
lamp washing machine …





Listen and repeat .

ecologist resources renewable
fossil fuels unlimited fertilized
While you listen
Task 1. Listen and complete the sentences by circling the letter A, B, C or D.

1. Ecology is the study of
A. human being and animals
B. the environment and solar energy
C. natural and alternative resources
D. human beings and their environment

2. The natural environment consist of ________
The oceans and the land
The sun and the air
All nature resources
The air and the oceans
3. If the resources can be____ , it is called renewable
Burnt quickly
Used easily
Divided properly
Replaced quickly

4. Grass for animals is a ________resources.
Renewable
Nonrenewable
Limited
Clean
5. According to the passage, coal is nonrenewable because it takes ________ to make it.
Billions of years
Millions of years
Three million years
Three billion years

Task 2. Listen again to the last part of the talk and write in the missing words.
Solar energy, air, and water are renewable resources because there is (1) _________ supply. However , this definition may change if that reaches the earth depends on the (2) ___________ .If the atmosphere is polluted, the solar energy that reaches the earth (3)_____ be dangerous. If life is going to continue, the air must contain the correct amount of nitrogen (N), oxygen (O), carbon dioxide ( CO2 ) , and other (4)______ .If humans continue to pollute the air, it will not contain the correct (5)________ of these gases.





































unlimited
atmosphere
gases
may
amount
After you listen


Which groups do these sources of energy belong to ? Put a tick () in the right column.
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