Unit 10 Pollution Leadin Text Exercises Homework Listen

Unit 10 Pollution Lead-in Text Exercises Homework

Listen to earth song and answer questions 1 How do you feel after listening to 2 this song? 2 Is pollution one of the serious problems we face?

Listen to the first paragraph and answer the question: How does industry cause pollution? industry factory chimneys pollute air, water facory waste Text 1/5 and animals

Listen to the second paragraph and answer the question: What cause water pollution? (industry chimneys and wastes) tanker … by accident oil pollutes beaches oil tank …while being and kill seabirds cleaned out on purpose www. 3722. cn 中国最大的资料库下载 Text 2/5

Listen to the third paragraph and answer the question: What are the major cause of air pollution in most developed countries? Cars give out poisonous gases. Text 3/5

Listen to the fourth paragraph and answer the question: Are insecticides always good for us? Why? Insecticides upset the balance of nature by killing the food supply for birds. harm animals that feed on the crops Text 4/5

Listen to the last paragraph and answer the question: What can we do to stop pollution and protect our environment? 1) have passed Anti-pollution laws 2) remove the poisons 3) Don’t litter. 4) save our natural sources 3) planting Text 5/5

A 1 Factories may cause _____. A both air and water pollution B only air pollution C only water pollution B 2 ____ may result from those factories that discharge into the rivers waste containing poisonous chemicals. A Air pollution B Water pollution C Air and water pollution Exercises 1/3

3 Water pollution is dangerous because C _____ great harm to us. A polluted sea water does B the dead seabirds do C polluted drinking water and sea food do B 4 In cities in developed countries _______ may be a major cause of air pollution. A smoke from restaurants B poisonous gases from cars C wastes containing harmful chemical Exercises 2/3

A 5 In the world _______ pollution. A people are fighting against B governments are no longer unaware of the danger of C factories have stopped discharging wastes so that they are no longer causes of 6 Pollution has come under better control B _____. A in most countries B at least in some countries C in some countries where industry is not highly developed Exercises 3/3

a tanker

Homework（家庭作业） 1 Discuss: How to stop car pollution？ 2 Finish the Exs in the workbook on 3 p 73 -75.