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1、 Unit 9 warming upWater pollutionTrash/GarbageAir PollutionDeforestationDesertificationStarvationWhat do you think is the biggest problem ?What do you think causes the problem?What should we do to solve the problem?Causes: factory & carSolution: use new technology, use less energy, try to use and re
2、cycle much water Causes: buy product using too much wrapping and then throw away too much garbage in the street or in nature. Solution: reduce garbage by buying products that use less packaging and never throw them or recycle themCauses: factory & carSolution: using new technology, use less energy,
3、try to use and recycle much water Causes: need for wood and fuelSolution: plant new trees, try to use less woodCauses: need for wood and fuelSolution: repair desert area& protect the areas that are in danger of becoming desertCauses: uneven distribution of wealth, sometimes natural disastersSolution
4、: providing education and technology, giving monetary aid to disaster-stricken areasA PROPOSAL 1. Dont use one-off chopsticks , lunch-boxes and cups.2. Dont use paper tissue when you sneeze, use handkerchief instead. 3. Dont send post-cards.Send electronic cards by e-mail. 4. Dont throw rubbish at w
5、ill.5. Dont make a lot of noise.6. Dont waste water 7. Dont waste electricity.8. Dont destroy trees and grass.Questions:What problems are mentioned in the flash?Pre-listening: What will the speaker talk about in the speech?While-listening What does the speaker think the biggest problem is? how to pr
6、otect water1. Listen for the questionPrediction : What will the speaker say about the problem next? 2.Listen for outlinebad effects causes solutionsimportance 3.Listen for detailsproblem causes solutions 1. waste because 2. pollute by 1. take better care of 2. stop polluting 3. save how to protect w
7、ater Post-listeningdiscussion Have you done anything bad to the environment? Have you done anything bad to the environment? What should you do in the future to protect the What should you do in the future to protect the earth?earth? we have only one earth. we should do our own parts/bits to protect our earth.HomeworkHomeworkMake a survey-the biggest problem in our Make a survey-the biggest problem in our school and near your house.school and near your house.The problem:The problem:The causes:The causes:The solutions:The solutions:
