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.,List Earth Cares suggestions and then in groups, discuss whether you think you can carry out each suggestion.,Scanning,If you are not using electrical appliances
3、, turn them off.,Yes,Save energy,Yes,Save energy,Yes,Save energy,Yes,Save energy,If youre 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
4、materials.,Yes,Save energy,Yes,Plants absorb carbon dioxide from the air.,Plant more trees.,Get your parents or friends to buy products that are made to save energy.,Yes,Together, individuals can make a difference.,Talk with your family and friends about global warming and tell them what youve learn
5、ed.,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.,electrical appliance,heat,ride a bike, _ cans, bottles, plastics and newspape
6、rs. 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 materials,energy,Plant trees,global warming,Recycle,1. I am doing a project on behalf of my school about global warming. on behalf of 代表一方，作为的
7、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 wi
8、ndows 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 so long as you are using it if not, turn it off! so long as 只要，也可以用作as long ase.g. You will do all right so long as you follow
9、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. circumstance 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 c
10、ircumstance. 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 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 p
11、lan.,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, so many people _ (提倡) building more hospitals.6. Its the best result that could be expected under the _ (情况).,circumstances,commi
12、tment,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.3. I dont care about the price, _ _ (只要这块儿表质量好).,on behalf of my mother,cant put up with Ivy any more,so long as the watch is of good quality,4. If you know a fo
13、reign language you can tell your foreign friends about _ _ (你的家 庭、学习等情况). 5. To the doctors disappointment, the medicine _ (对这个病人几乎不起作用).,your family, your study and so on,has little effect on the patient,6. In sport _ (重要的是) is not the winning but the playing. 7. The doctor told Paul to _ _ (少抽烟).,what really counts,cut down on smoking,
