多媒体学习课件(英文)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,基本版,多媒体学习课件,Unit 10,Unit 10 Pollution,Lead-in,Text,Exercises,Homework,How do you feel after listening to,this song?,2 Is pollution one of the serious problems,we face?,Listen to,earth song,and answer questions,industry,factory chimneys,facory waste,pollute air,water,and animals,Listen to the first paragraph and answer the question: How does industry cause pollution?,Text 1/5,tanker, by accident,oil,oil tank while being,cleaned out on purpose,pollutes beaches and kill seabirds,Listen to the second paragraph and answer the question: What cause water pollution?,(industry chimneys and wastes),Text 2/5, 中国最大的资料库下载,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) Dont litter.,4)save our natural sources,3)planting,Text 5/5,1 Factories may cause _ .,A,both air and water pollution,B,only air pollution,C,only water pollution,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,B,A,Exercises 1/3,3 Water pollution is dangerous because _ great harm to us.,A,polluted sea water does,B,the dead seabirds do,C,polluted drinking water and sea food do,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,B,C,Exercises 2/3,5 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 _ .,A,in most countries,B,at least in some countries,C,in some countries where industry is,not highly developed,A,B,Exercises 3/3,a tanker,Homework,（家庭作业）,1,Discuss: How to stop car pollution,？,Finish the,Exs,in the workbook on,p73-75.,Thank you!,Good-bye!,