1What cause the Global Warming?It is too hot!2smoke from cars3smoke from factories45Water pollution6Deforestation7The war89Listen to the 1st letter and find who wrote the letter and what the purpose of the letter is. 10The first letter is written by a student, Ouyang Guang who is asking for suggestions for his project global warming.11Read the second letter, and answer the question:Does Earth Care agree with Ouyang Guangs opinion that individuals can have no effect?No, Earth Care does not agree.“Together, individuals can make a difference.”12 Read the text carefully and fill in the blanks.What can we do about global warming? Turn a(n) _ off when youre not using it. Put on more clothes instead of turning up _. Walk or _ instead of taking motor vehicles. _ cans, bottles, plastics and newspapers. Buy things made from _. Buy products that are made to save _. _ in your garden or your school yard. Talk with your family and friends about _.13Task3 Read the text carefully and fill in the blanks.What can we do about global warming? Turn a(n) _ off when youre not using it. Put on more clothes instead of turning up the _. Walk or _ instead of taking motor vehicles. _ cans, bottles, plastics and newspapers.electrical applianceheatride a bikeRecycle14 Buy things made from _ _. Buy products that are made to save _. _ in your garden or your school yard. Talk with your family and friends about _.materialsenergyPlant treesglobal warmingrecycled15WritingMake a sloganMake a slogan for your school that tells students various ways they can reduce the amount of carbon dioxide in the air.16Sample sloganuIt is really distressing to see food being wasted! (In canteen) u浪费粮食真令人痛心！浪费粮食真令人痛心！1718