Which of the following can you see in the pictures?
• a power station/factory
• toxic fumes
• factory waste
• acid rain
• polluted clouds
• loss of natural habitats
• air, water and soil pollution
• fish and plant species dying
a)
Look at the pictures again and the headings in the text on p. 77. Can you explain the problem? Read and check.
Acid Rain
1. The problem
The problem starts here. Cars burn petrol, factories and power stations burn coal and emit toxic fumes. So, the air that we breathe becomes polluted.
2. Air pollution & acid rain
This pollution is gathered in clouds and with the oxygen and water in the atmosphere it becomes acid. The winds carry the polluted clouds across long distances, far 1) _ . When it rains, this pollution lands on trees, houses, buildings, cars, clothes, everywhere!!! This is called acid rain, 2) _ there is actually ‘acid fog’, ‘snow’ and ‘sleet’ in the same way!
3. Water and soil pollution
When acid rain falls into lakes, streams, rivers and seas, they become toxic. This is water pollution and it harms, kills or wipes out fish and plant species. When acid rain flows through the soil, it poisons trees and plants. Acid rain 3) _ causes serious damage to important buildings and objects.
4. Good news
The good news is that governments have been trying to reduce the air pollution that causes acid rain. 4) _ industries have been using new technologies for some time to help make factory smoke less harmful to the environment. But we need to do more! We can help reduce the amount of acid rain by using 5) _ cars less or by using solar power to heat our homes.
b)
Read carefully and complete the blanks with the best word A, B, or C. Listen and check. Then, explain the words in bold.
1.
A. over
B. away
C. to
2.
A. but
B. so
C. well
3.
A. as well
B. too
C. also
4.
A. No
B. Any
C. Some
5.
A. our
B. their
C. ours
Make notes under the headings and give a talk about acid rain.
• what acid rain is
• what causes it
• what we can do
• what effects it has
• what governments are doing
Read the rule. Find examples of the Present Perfect Continuous in the text.
We use the Present Perfect Continuous to talk about actions that began in the past and are still taking place with emphasis on duration.
I’ve been watching TV since 6 pm. (I’m still watching TV now.)
They’ve been sleeping for hours. (They’re still sleeping at the moment.)
How long have you been studying? Since the morning/For five hours.
Listen to the sounds. Match the people to what they have been doing. Then complete the sentences.
1. John
A. play football
2. the kids
B. listen to music
3. Grandad
C. watch TV
4. Ann
D. sleep
5. Steve
E. wash dishes
John _ for an hour.
The kids _ since 6:00 pm.
Grandad _ for two hours.
Ann _ for half an hour.
Steve _ since 10 am.
Complete the sentences with the correct phrasal verb in the appropriate form.
MAKE
up (invent a story)
up (with sb) (became friends again after a quarrel)
out (manage to understand)
1. I can’t _ your handwriting.
2. It’s not true. She _ the whole story.
3. He has _ with Tom after their quarrel.
Work in groups. Collect information using the Internet about what we can do to solve the problem of acid rain and present it to the class. Draw pictures to show some of the things we can do.