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Assignment:Questions How has the global warming e about?① Human activity burning of fossil fuels. What are the effects and disasters of global warming?What’s worse ,the glaciers of the South Pole are beginning to crack The glaciers of the Poles are starting to melt due to the increasing temperatures caused by global warming.tsunamiThe sea level to rise.tornadosSevere storms droughtsfamines the spread of diseasesdestruction of speciesWhat should we do about the terrible effects above?..Try to reduce the use of motor vehicleselectric vehiclebikerunningSolar energy carPlanting trees Cleaning the rubbish√Return the green world to usAssignment1. Write an argumentation titled “Environment Protection ”based on the viewpoints in the text and yours. 2. Preview the language points in the text and find out your difficult points。今年地球日主題為: “珍惜地球資源 轉(zhuǎn)變發(fā)展方式 倡導(dǎo)低碳生活 ”。Unit4 Global Warming Reading Compared to the past few years, what’s the weather like this year ?Questions 1. Do you think the w