Unit 4 Global warmingUsing languageWhat cause the Global Warming?It is too hot!smoke from carssmoke from factories目前面临的环境问题Water pollutionDeforestationThe warSkim the letters and find who the writers are and what their purpose of writing the letters is. The first letter is written by a student who is asking for suggestions for his project — global warming.The second letter is written by an editor of Earth Care magazine. He offers the student some suggestions on what to do about global warming. Read the second email, and answer the question:Does Earth Care agree with Ouyang Guang’s opinion that individuals can have no effect?No, Earth Care does not agree.Earth Care’ssuggestionsCan you carry it out?ReasonsList Earth Care’s suggestions and then in groups, discuss whether you think you can carry out each suggestion. If you are not using electrical appliances, turn them off.YesSave energyYesSave energyYesSave energyYesSave energyIf you’re cold, put on more clothes instead of turning up the heat.Motor vehicles use a lot of energy, so walk or ride a bike if you can.Recycle cans, bottles, plastics and newspapers and buy things made from recycled materials.YesSave energyYesPlants absorb carbon dioxide from the air.Plant more trees.Get your parents or friends to buy products that are made to save energy.YesTogether, individuals can make a difference.Talk with your family and friends about global warming and tell them what you’ve learned.Read the text carefully and fill in the blanks.What can we do about global warming? ◆ Turn a(n) _________________ off when you’re not using it. ◆ Put on more clothes instead of turning up the _______. ◆ Walk or ____________ instead of taking motor vehicles. ◆ _...
