1、人教课标高二 选修 6Unit 4,Unit 4Global warming,Using language,What can we do about global warming?,Skim the letters and find who the writers are and what their purpose of writing the letters is.,Skimming,The first letter is written by a student who is asking for suggestions for his project global warming.Th
2、e 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 above letters. List Earth Cares suggestions and then in groups, discuss whether you think you can carry out each suggestion. Give reasons for your answe
3、rs. Write your answers on a separate piece of paper using the headings below.,Scanning,Turn electrical appliances off when not using them.,Yes,Save energy,Yes,Save energy,Yes,Save energy,Yes,Save energy,Dont turn up the heat. Put on more clothes.,Walk or ride a bike. Dont drive.,Recycle cans, bottle
4、s, plastics and newspapers and buy things made from recycled materials.,Yes,Save energy,Yes,Plants absorb carbon dioxide from the air.,Plant more trees.,Buy products that use less energy.,Yes,Together, individuals can make a difference.,Talk with your family and friends about global warming and tell
5、 them what youve learned.,Now in pairs make a poster for your school that tells students various ways they can reduce the amount of carbon dioxide in the air.,Underline the most important parts of Earth Cares suggestions. Write notes on each of Earth Cares suggestions.,List the ways to reduce carbon
6、 dioxide in the air. Use imperative sentences in your poster. Give your poster a large heading. Make a slogan at the end like the one at the end of the letter from Earth Care.,Fight global warmingCut down on energy. Cut down on carbon dioxide. If not using an electrical item, turn it off. If you sud
7、denly feel cold, dont turn the heat up. Put on a jacket instead.,Walk or ride a bike and save fossil fuels. Recycle paper, cardboard and newspapers. Buy products made from recycled materials.,buy energy-saving products like low energy light bulbs. Plant trees to absorb CO2. Tell your friends about g
8、lobal warming.Every effort counts!,1. I am doing a project on behalf of my school about global warming. on behalf of 代表一方，作为的代言人 e.g. Im writing on behalf of my mother to express her thanks for your gift. 我代表我母亲写信, 对你的礼物表 示感谢。,Language points,He spoke on behalf of all the members of the staff. 他代表全体
9、教职员工讲了话。,2. We don not have to put up with pollution. put up with 忍受，容忍 e.g. He couldnt put up with the noise, so he kept the windows shut all day long. 他忍受不了嘈杂声，所以整天窗户 紧闭。,I cant put up with her another day she never stops complaining.她整天抱怨，我一天也不能忍受了。,3. It is OK to leave an electrical appliance on
10、 so long as you are using it if not, turn it off! so long as 只要，也可以用作as long as e.g. You will do all right so long as you follow my advice. 只要你听我的建议, 你一定会做好 的。,I am happy so long as you are happy.只要你高兴，我就高兴。,4. Recycle cans, bottles, plastic bags and newspapers if circumstances allow you do. circums
11、tance n. 环境，情况 e.g. I know I can trust her in any circumstance. 我知道我在任何情况下都能信任 她。,You should soon accommodate yourself to the new circumstance. 你应尽快适应新环境。,In/under the circumstances In/under no circumstances,在这种情况下，既然如此绝不，无论如何不,Practise,I. 根据句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。 The cool water r_ John after
12、 his long sleep.2. This is a formal party so youd better not wear c_ clothes.3. I was asked to give a short p_ on the aims of the plan.,refreshed,casual,presentation,4. The companys _ (承诺) to providing quality at a reasonable price has been vital to its success.5. It is very difficult to see doctors
13、, so many people _ (提倡) building more hospitals.6. Its the best result that could be expected under the _ (情 况).,circumstances,commitment,advocate,II. 根据汉语提示，补全下列句子。 Im writing _ (代表我母亲) to express her thanks for your gift.2. I _ (再 也不能忍受Ivy了) she never stops complaining.,on behalf of my mother,cant
14、 put up with Ivy any more,3. I dont care about the price, _ _ (只要这 块儿表质量好). 4. If you know a foreign language you can tell your foreign friends about _ (你的家庭、学习等情况).,so long as the watch is of good quality,your family, your study and so on,5. To the doctors disappointment, the medicine _ (对这个病人几乎不起作
15、用).6. In sport _ (重要的是) is not the winning but the playing. 7. The doctor told Paul to _ _ (少抽烟).,has little effect on the patient,what really counts,cut down on smoking,Homework,Write a short passage to tell others how to solve the problem of global warming based on the suggestions you have collected. You can add more suggestions if you like. Make a presentation to the class.,
