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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit One,Caring for Our Earth,1,Look Around,Look at the following pictures,and think about its effect on environment.,cooler or warmer?who?Mid-gate of Chongqing University,2,bill board&telegraph pole,3,Art of advertisement?the fourth dinning hall of Chongqing university,4,Water?The forth Dining hall,5,Beauty and its price.Olympic Center,Chongqing,6,Gobi Desert and Yellow River seen from space,7,What to breathe?And how?-Wuhan,8,Where to stand?Mongolia,9,How serious do you think these environmental problems are?,The world faces all types of environmental problems,from water and air pollution to disposing of toxic and radioactive wastes.But,what might be a big problem to me may be just a minor annoyance to you.What are the environmental problems that you feel are most/least important nowadays,and how do water concerns rank against other environmental problems?,10,How serious do you feel each environmental problem below is?,(1=Very serious.5=Not serious),Solid-waste disposal(trash!):1 2 3 4 5,Water problems:1 2 3 4 5,Air pollution:1 2 3 4 5,Nuclear-waste disposal:1 2 3 4 5,Using up resources:1 2 3 4 5,Overpopulation and,overdevelopment:1 2 3 4 5,11,Conclusion of the survey,Find the choices of at least 6 people around you,and make a short report of 1 to 2 minutes.,12,Other environmental problems,Try to list other environment problems and the causes of them.,For example:,Global warming,13,Global warming may be the most harmful environmental problem 1)_ have created,and the most difficult to solve.Our society is largely 2)_ by the fossil fuels that cause global warming.Its growing consequences ecological disruption,floods,droughts,disease are convincing more and more people that we must cut down 3)_ pollution.,Many people view global warming as a problem too large and too 4)_ for anything they can do to 5)_.However,in reality,there are lots of things we can do to stop,or at least to reduce it.,14,Plant a tree.,Trees,“,6)_,”,carbon dioxide,but only as long as they,re living.,Install low-flow shower heads and faucets.,You,ll use less than half the water without 7)_.,Buy energy-efficient electronics and appliances.,Then,turn them off when they,re not in use.,Reduce!Reuse!Recycle!,Recycling a stack of newspapers only 8)_ will save a good sized tree.,Mount a local,9)_,against global warming.,Educate your community about how to cut greenhouse gas pollution.Support measures at the national and local levels that increase energy efficiency,and that 10)_ the use of clean,renewable solar and wind technology.,15,Global warming,Go through the textbook from Page 10 to page 11,find out all the effects of global warming mentioned in 1 minute.,-cause the level of the sea to rise,-cause flooding,-Cities would be under water.,-The global weather system will change.,-much rain in some areas and too little in others.,(Dialogue 1,on page 10),Listen to the dialogue one,and follow to read it.,16,Passage A,Care for our Mother Earth,I.Go through the text in 3 minutes,and answer the following questions with key full sentences.,1.According to Aman Motwane,what is the biggest threat to the environment today?,_,2.What environment issues Walter Semkiw find most pressing?,_,3.What do Leon Macson suggest the readers of awareness Magazine can do to help the environmental problem?,_,4.What is Leon Nacsons specific area of concern regarding the state of environment?,_,The way human beings see the environment is the biggest threat.,The deforesting and global warming are the most pressing environment issues.,The simplest way to help the environment is not to impact on it.,He concern about air and water pollution.,17,Reading skill topic sentences,I.After finishing the exercises,what kind of rules can you find about the answers to the questions?,The answers for the questions are all the first sentence of the paragraphs respectively.This is one of the characteristics of the position of topic sentence.,II.Read through the text again,and finish the exercise 2.,III.Relationship between Topic Sentence and Developing sentences(Page25),IV.Important words and expressions,V.Finish the exercises 3 to 7,18,Frog Story,19,Frog Story,I.Think about,If a kitty came into your dormitory,what would you do?A tree frog?A snake?,II.Read through the text and fill in the table with proper information,20,I,Frog,Build a log cabin and a green house in the woods,Put the frog in the green house,Check my morning email and on-line news,Work in the studio and the computer was humming along,Read fax about global warming,Take up residence in my studio,Came back to the studio.,Survey,the,world,Went across my view;stopped and turned around and sat there looking at me,Leaped across my foot and sat before the computer and reached up his right hand to his ear and listened.Leaped onto the computer.,When I was.,the frog.,21,1.I came to understand that frogs simply want to hear other frogs and to communicate
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