1、Unit OneCaring for Our Earth1Look AroundLook at the following pictures, and think about its effect on environment.cooler or warmer? who? Mid-gate of Chongqing University2bill board & telegraph pole 3Art of advertisement? the fourth dinning hall of Chongqing university4Water? The forth Dining hall5Be

2、auty and its price. Olympic Center, Chongqing6Gobi Desert and Yellow River seen from space 7What to breathe? And how? Wuhan8Where to stand? Mongolia 9How serious do you think these environmental problems are? The world faces all types of environmental problems, from water and air pollution to dispos

3、ing 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 e

4、nvironmental 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 11Conclusion of the surveyFind t

5、he choices of at least 6 people around you, and make a short report of 1 to 2 minutes.12Other environmental problemsTry to list other environment problems and the causes of them.For example:Global warming13Global warming may be the most harmful environmental problem 1) _ have created, and the most d

6、ifficult 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

7、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. 14Plant a tree. Trees “6) _” carbon dioxide, but only as long as theyre living.Install low-flow shower heads and faucets. Youll use less than half the water without 7

8、) _.Buy energy-efficient electronics and appliances. Then, turn them off when theyre 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. S

9、upport measures at the national and local levels that increase energy efficiency, and that 10) _ the use of clean, renewable solar and wind technology. 15Global warmingGo through the textbook from Page 10 to page 11, find out all the effects of global warming mentioned in 1 minute.- cause the level

10、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.16Passage A Care for our Mother EarthI. Go through the text in 3 minut

11、es, 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 environme

12、ntal 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 i

13、t.He concern about air and water pollution.17Reading skill topic sentencesI. 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 o

14、f 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 718Frog Story19Frog StoryI. Think aboutIf a kitty came into your do

15、rmitory, what would you do? A tree frog? A snake? II. Read through the text and fill in the table with proper information20IFrogBuild a log cabin and a green house in the woodsPut the frog in the green houseCheck my morning email and on-line newsWork in the studio and the computer was humming alongR

16、ead fax about global warmingTake up residence in my studioCame back to the studio.Survey the worldWent across my view; stopped and turned around and sat there looking at meLeaped across my foot and sat before the computer and reached up his right hand to his ear and listened. Leaped onto the compute

17、r.When I was. , the frog.211. I came to understand that frogs simply want to hear other frogs and to communicate. Possibly the tone of my computer sounded to him like other tree frogs.2. Then, I understood. The frogs have a message for us and it is the same message that some sober folks have had for

18、 us. WE have reached the time when we must be adults for the planet, for the sake of the future generations of human and for frogs.3. Then I understood that there are no boundaries.4. I understood that there is no more time.5. I understood that we, for the sake of our relatives, must act now.6. And then I understood, not only why frog was there, but, also why I am here.“I want you to understand.