1、2021/8/21U4 Global Warming2021/8/22Revisionthe burning of 1 a 2 called carbon dioxide the increase of temperature63 4producesleads toglobal warming5causethe burning of fossil fuels a byproduct called carbon dioxide builds upgreen house gasesresults in catastropheWho is to blame for the global warmin

2、g?Human activity? Or natural phenomenon?2021/8/23Oral Practice“你問我答你問我答”1. 是什么導(dǎo)致了全球氣溫變暖？是什么導(dǎo)致了全球氣溫變暖？What causes the global warming? 2.全球氣溫變暖是怎么產(chǎn)生的？全球氣溫變暖是怎么產(chǎn)生的？How does global warming come about?3.全球氣溫變暖有什么可能的影響？全球氣溫變暖有什么可能的影響？What are the possible effects of global warming?4. 關(guān)于全球氣溫變暖我們應(yīng)該什么都不做嗎？關(guān)于

3、全球氣溫變暖我們應(yīng)該什么都不做嗎？Should we do nothing about global warming?5. 關(guān)于全球氣溫變暖我們應(yīng)該做些什么？關(guān)于全球氣溫變暖我們應(yīng)該做些什么？What should we do about global warming?Revision2021/8/24Using language What can we do about global warming?2021/8/25read the first letter, and answer the questions below:1. Who is the writer? To whom?A st

4、udent named Ouyang Guang.To the editor of Earth Care.2. What is the purpose of the email? To get some suggestions for what he can do about global warming. 3. Does the writer feel individuals can make a difference to global warming?Task 12021/8/26Go through the second letter, and answer the question:

5、1. Who is the writer? and what is the purpose of the email? an editor of Earth Care magazine. He offers the student some suggestions on what to do about global warming. 2. Does Earth Care agree with Ouyang Guangs opinion that individuals can have no effect?No, Earth Care does not agree.3. How many s

6、uggestions did Earth Care give to cut down on their use of energy?Task 2Together, individuals can make a difference. 2021/8/27 What can we do about global warming? Can you carry out those suggestions? Turn a(n) _ off when youre not using it. Put on more clothes instead of turning up the _. Walk or _

7、 instead of taking motor vehicles. electrical applianceheatride a bike2021/8/28 _ 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 _. recycled materialsenergyPlant tre

8、esglobal warmingRecycle2021/8/29 Use fewer plastic bags instead of baskets 2. Dont throw rubbish here and there; Sort out the rubbish and recycle.3. Save every bit of water4. Develop clean energy and renewable energy.5. Call on more people around us to make contributions to creating a green homeland

9、6. What other things can we do to save energy or protect our earth in our daily life?Task 3 2021/8/210Language points1. I am doing a project on behalf of my school about global warming. on behalf of 代表一方，作為的代言人e.g. Im writing on behalf of my mother to express her thanks for your gift. 我代表我母親寫信, 對你的禮

10、物表示感謝。2021/8/2112. There are many people _ have a _ (commit) like yours, but they do not believe they have the power to do anything to improve our environment.whocommitmentmake a commitment to sb/ sth 對某人、某事做出承諾make a commitment to do sth 承諾做某事2021/8/2123. Here are a few suggestions on how to produce it.Here are some things you can do to make sure you stay safe.這里有一些建