II. Выполнить упражнения в тетради.
Упражнение 1
Find definitions of the words.

1.
waste

A.
rain containing harmful chemicals and damaging the environment
2.
to reduce

B.
to send out something such as heat, gas, etc.
3.
to emit

C.
to make something less or smaller in quantity, size, etc.
4.
harmful

D.
causing damage
5.
solar energy

E.
materials that are no longer needed and are thrown away
6.
acid rain

F.
a source of power coming from the Sun

Упражнение 2
Complete the dialogue.

1.
Can you tell us what we can do to improve the situation?
A.
For recent years, people all over the world have been facing a lot of ecological problems.
2.
What are the most important problems of ecology, as you see them?
B.
Well, first of all, water pollution, then soil pollution, and, of course, air pollution, especially the problem of acid rains.
3.
Doctor Emmet, why are ecological problems considered as part of global problems?
C.
Your question is to the point! Cars, buses, factories, and plants emit toxic fumes into the atmosphere. They mix with oxygen and water and become acid. When it starts raining, the pollution lands on everything and everywhere!
4.
What causes acid rains?
D.
Of course. We all should take more interest in green issues! Many factories have already been using new technologies making their waste less harmful. As for us, we can use cars less and heat our houses with solar power

Упражнение 3
Use the words to complete the text: waste, pollute, acid rain, burning, species, poisons.
Many factories and plants also 1) air and water by burning fuels such as oil and coal and throwing away their 2) . This 3) releases sulfur dioxide and nitrogen oxide gases, which react with water and oxygen in the atmosphere to form acids. 4) gets into lakes, rivers, and seas and it 5) their water. It does a lot of harm to different 6) of fish and plants.

Упражнение 4
Make the sentences in the Present Perfect Continuous Tense using the verbs given in the brackets.

1. How long (you wait) for?
2. We (to live) in this street for twenty years.
3. He (to work) in the garden since morning.
4. It (to rain) since yesterday.
5. I (not use) this laptop for three years.
6. The children (to play) in the garden.

Упражнение 5
Use the words to make up sentences in the present perfect continuous tense.

1. It/snow/all/day

2. she/work in hospital/since 1999.

3. how long/you/have/driving lessons?

4. I/learn English/for a long time.

Gegobadi    1   10.05.2020 22:32    209