12 Say if the sentences 1- 5 correspond to the information in the text.

1 Extinction is an inevitable process caused by nature and human activity. 2 Weak species die out and more active and strong animals become dominant. 3 Ecological problems have no influence on the animal extinction 4 The most serious factors for animals’ extinction are hunting and habitat destruction. 5 Asteroid collision with the Earth caused animals extinction.

13 What actions can ordinary people do to protect the environment?

LISTENING

14 Listen to the text about problems of our planet. Before listening match the words 1-5 to the definitions a-e to make sure you know them.

1 drought 2 contaminate 3 famine 4 absorb 5 cattle farm

A a lack of food B take in C place for animals, their meat and milk D lack of rain E pollute

15 Listen to the text and complete the missing information in the table.

PROBLEM	CAUSE	EFFECT
destruction of the rain forests （１）＿＿＿＿＿＿＿＿ （２）＿＿＿＿＿＿＿＿	trees are burnt and cut down rivers, lakes and oceans are polluted allergies and breathing problems	birds and animals lose their homes and die sea life is threaten with extinction （３）＿＿＿＿＿

16 Say if the sentences are True or False according to the text. Put a tick in the right column.

True False

1 It’s time to solve the problem of the destruction of environment.
2 Rainforests are home for animals and people.
3 Tropical forests absorb carbon dioxide and give out oxygen.
4 Destruction of rainforests doesn’t cause climate changing.
5 Factories pour the waste into rivers and takers release oil into oceans.
6 Domestic and industrial waste are never poured into oceans.
7 City traffic contaminate the air with toxic gases.
8 The cases of allergies increased in recent years.
9 Our cities become impossible for living.
10 As a result of pollution sea animals feel comfortable.

17 Look through the information in tables in activities 15 and 16. Think for a minute and tell the class about the problems our planet is facing. Use consequently, as a result, therefore, moreover.