b3m4listening-外研版高中

1、Module 4 Sandstorms in Asia (Book 3)Type of lesson: Listening and Speaking Designer: Chen GuangqiBackground:Global Warming: We CAN Make a Difference!IntroductionGlobal warming may be a big problem, but there are many little things we can do to make a difference. If we try, most of us can do our part

2、 to reduce the amount of greenhouse gases that we put into the atmosphere. Many greenhouse gases come from things we do every day. As we have learned, these greenhouse gases trap energy in the atmosphere and make the Earth warmer.Driving a car or using electricity is not wrong. We just have to be sm

3、art about it. Some people use less energy by carpooling. For example, four people can ride together in one car instead of driving four cars to work. Read on for some additional ways you can help make the planet a better place!Educate YourselfLearning about the environment is very important. There ar

4、e many good books that will help you learn. To get started, ask a teacher or a librarian for some suggestions.Talk to Your Family and FriendsTalk with your family and friends about global warming. Let them know what youve learned.Save ElectricityWhenever we use electricity, we help put greenhouse ga

5、ses into the air. By turning off lights, the television, and the computer when you are through with them, you can help a lot.Bike, Bus, and WalkYou can save energy by sometimes taking the bus, riding a bike, or walking.CarsCars are an important part of life for most people. But cars also cause pollu

6、tion and release a lot of greenhouse gases into the air. Fortunately, there are some cars that are better for the environment. These cars can travel longer on a smaller amount of gasoline. They dont pollute as much, either. Using these kinds of cars can help reduce the amount of greenhouse gases in

7、the air.RecycleRecycle cans, bottles, plastic bags, and newspapers. When you recycle, you send less trash to the landfill and you help save natural resources, like trees, and oil.Buy recyclable products instead of non-recyclable ones. Look for the recycle mark - three arrows that make a circle on th

8、e package. Recyclable products are usually made out of things that already have been used. It usually takes less energy to make recycled products than to make new ones. The less energy we use, the better.ENERGY STARMany things, like computers, TVs, stereos, and VCRs, have special labels on them. The

9、 label says Energy and has a picture of a star. Products with the ENERGY STAR label are made to save energy. Buying products with ENERGY STAR labels will help protect the environment.Solar EnergySolar energy can be used to heat homes, buildings, water, and to make electricity. Today, more and more h

10、ouses take advantage of the suns energy.Plant TreesPlanting trees is fun and a great way to reduce greenhouse gases. Trees absorb carbon dioxide, a greenhouse gas, from the air.Protecting our environment is protecting ourselves. We should learn more ways to protect our planet and make our efforts to

11、 make our life happier. Learning Goals:Knowledge and skills: To learn to use the vocabulary and phrases.New words: atmosphere chemical environment garbage melt recycle coastal concerned evidence major urgent pollute Phrases: in a nutshell do damage toTo practice using the expressions related to envi

12、ronment.Process and methods:1) To improve studentslistening comprehension.2) To discuss environment problems with others.Emotion and Values:1) To stimulate students to realize the bad effects of pollution and make their own efforts to protect our environment.2) To cultivate the spirit of cooperation

13、. Procedures:Task 1: Pre-listeningActivity 1:Talk about environmental problems and human behaviors. Activity 2: Match the words with the definitions on P35.Task 2:While-listeningActivity 1: Listen to an environmental experts speech for the general ideas and finish exercise 2 on P35.Activity 2: Liste

14、n again for the detailed information and answer the questions on P35.Activity 3: Listen once more and fill in blanks while listening to the conversation.Activity 4: Expressions and stresses.Task 3: Post-listening Activity 1: Discuss in pairs or groups about environmental problems andsolutions in eve

15、ryday life.Activity 2: Present the discussion. 1. One major environmenal problem is because /There is a problem with because(batteries, plastic bags, air polltion, wasting paper, using disposable chopstics)2. We should We need to We mustTask 4: Assignment Describe one environmental problem and what

16、we should do about it. Int: David, what do you see as the main problems with the environment?D.U: Well, in a 1 , the most 2 problem of all is the climate. The worlds climate seems to be getting warmer.Int: Weve seen a lot of 3 of that, havent we? Hotter summers, warmer winters, that kind of thing.D.

17、U: Yes, we have. Also, scientists have found that the ice at the Poles is beginning to 4 .Int: Weve heard that too. Is that really happening?D.U: Yes, Im afraid it is. And at sometime in the future, the ice may melt completely. Then its possible that the sea could rise and 5 cities like New York and

18、 Shanghai could disappear under water.Int: It sounds very 6 .D.U: I couldnt agree with you more. Its 7 !Int: Can you explain why the climates getting warmer?D.U: Well, Ill do my best! Its pollution thats the problem. Gases from cars enter the atmosphere and stop the suns heat from leaving the 8 . An

19、d factories 9 chemicals that do the same thing. So as a result, the climate is getting warmer.Int: From what I understand, carbon dioxide from cars is a 10 problem.D.U: Youre absolutely right. Carbon dioxide is the gas that does most 11 to the atmosphere. But we have a problem with trees too. You see, trees give out oxygen and 12 carbon dioxide. So theyre very useful because they use up the carbon dioxide.Int: I know what youre going to say. Were 13 all the trees.