 conserve (v.) / k6n/s3:v /: protect sth from harm bảo tồn (v.) conservation (n.) / /k4ns6/vei~n / (n.)  destroy (v.) / di/str0i / : kill sb / sth hủy diệt (v.) destruction (n.) / di/str^k~6n / (n.)  constant (adj.) / /k4nst6nt / : always present or available định play a part / role in sth : trở nên tồi tệ  worsen (v.) / /w3:sn / : become worse làm trở nên tồi tệ make sth become worse đóng vai trò thông qua luật  pass a law :  defence / defense (n.) / di/fens / : bảo vệ , phòng thủ TASK : Match the words in A with a suitable definition in B A / i/limineit / 1.eliminate / / /2.circulation / s3:kj$ lei~n run-off B a the movement of something around a closed system b concerning or producing electricity by the power of falling water c remove or get rid of completely / / /h@idr6$i lektrik / d hydroelectric liquid which flows off or from (something ) HYDROELECTRIC DAMS TASK 2: Decide whether the following statements are true (T) or false (F) Check () the appropriate boxes Then correct the false statements T Each year about fifty hundred species of plants and animals are eliminated Many kinds of plants could be used to treat various dangerous diseases Water can be held on land by vegetation Man is constantly doing harm to the environment Plants may cause floods and erosion We can nothing to save the earth F LUCKY ANIMALS Each year about fifty hundred species of plants and animals are eliminated T  F Many kinds of plants could be used to treat various dangerous diseases T  F 3.LUCKY ANIMAL CONGRATULATIONS! Water can be held on land by vegetation T  F Man is constantly doing harm to the environment T  F 6.LUCKY ANIMAL CONGRATULATIONS! Plants may cause floods and erosion T F  Without plants, most water would run off as soon as it falls Rapid run-off would cause floods 8 We can nothing to save the earth T F  We can stop worsening the problems TASK : Choose the most suitable main idea for each paragraph We can’t live without water PARAGRAPH A Let’s something to save the earth PARAGRAPH B Forests give us a lot of valuable things PARAGRAPH C Vegetation can help conserve water Talk about the consequence of losing forest ? death of animal erosion CONSEQUENCE OF LOSING FORESTS flood drought HOMEWORK : Write a short paragraph ( about 50-60 words ) about the consequence of losing forest Thank you you very very much much for for Thank your attention! attention! your