课件28张PPT。Module1 Environment and life Unit 1 Saving the EarthThe green consumerDisaster—The Day After TomorrowA quiz about colourGuess the meaning of each phrase. 1) He was still too yellow to stand up and fight even though he was laughed at.A. weak in mind, scaredB. strong in mindC. wear the yellow shirt 2) It was blue Monday and he just didn't feel like going back to work.A. sunnyB. hotC. making people upset and unhappy A quiz about colourGuess the meaning of each phrase. 3)Sometimes it’s better to tell a white lie than to tell someone a painful truth. C. harmless, kindA. hatefulB. told by white peopleA quiz about colourGuess the meaning of each phrase. 4)He was thought to be the black sheep of the family after he had got involved in the bank robbery. A. a kind of sheepB. an unworthy, useless person C. a sheepherderA quiz about colourGuess the meaning of each phrase. 5)You cannot expect Mary to do business with such people, she is only eighteen and as green as grass.C. inexperienced, simple and pureA. liking to wear green dressB. stupidA quiz about colourGuess the meaning of each phrase.When I told you to become green, Lo, I didn’t mean …Read the cartoon and answer the questions.green=environmentally friendlygreen goodsgreen energy/?n?va?r?n'ment?l? 'frendl?/buy goods buy goodsuse energyuse energyWhen I told you to become green, Lo, I didn’t mean …Read the cartoon and answer the questions.green=environmentally friendlygreen goodsgreen energyconsumer/k?n'sju:m?(r)/ n.a person who buys or uses sth.consumer. Look at the title, the first paragraph, the headings and the pictures.1 What type of reading passage is it?
a. A poster about the Earth Day.
b. A book review.
c. An introduction about a book..2 This book is called a guide. What does the book mainly tell us about?
a. how to be green consumers
b. the threats on the Earth
c. how to save the forests3 What will the threats probably be in the book?
a. the environmental problems
b. the economic problems
c. the population problems. Choose the right choice.Match the headings to the right pictures.1 The greenhouse effect ____
2 Damage to the ozone layer ____
3 Destruction of the forests ____
4 Bad habits ____
5 How can we save the Earth?____abcdebaced/‘ɡri:nha?s/ n. 温室/‘??z??n ‘le??(r)//d?'str?k?n/ n.The greenhouse effectDestruction of the forestsBad habitsHow can we save the Earth?Damage to the ozone layerWhat do you know about each threat?What do you want to know about the threats?Brainstorm.? Read the first part. Answer.What’s the use of the glass of a greenhouse?1 The atmosphere acts like the glass boards of a real greenhouse.4 Carbon dioxide is the only cause of the greenhouse effect. 3 The surface of the moon is cold and lifeless because there is no atmosphere around it.5 The greenhouse effect is not a dangerous threat according to the passage. Read the first part. Tell true or false. Correct the mistakes.2 The atmosphere is not essential for plants.the Earthessential for all the living thingsmainFFTFF/‘?tm?sf??(r)/ n.大气/kɑ:b?n da?'?ksa?d/ CO2?/'s?:f?s/ n. Read the first part again. Choose the right words to fill in the blanks.The atmosphere around the Earth acts like the glass of a (1)__________. The atmosphere lets sunlight in and keeps (2)_______ from getting out. Without the atmosphere, the Earth would be as cold and (3)_______ as the surface of the moon.
However, pollution from burning carbon-based fuels like petrol, oil, coal and wood makes the greenhouse effect (4)____________. As the atmosphere is becoming (5)_______, the Earth would keep in too much heat .It may cause the sea level (6)_____ and (7)_______ cities and even whole countries.
A. warmthB. floodC. riseD. thickE. more seriousF. fallG. lifelessH. greenhousefuel /'fju:?l/ n.Fuels are burnt to produce heat and power.Read the second part. Complete the illustration.The ozone occurs (1)_____ to (2)_____ km above the ground. It forms a(3)____________ layer that prevents the Sun from (4)________________.This is a (5)________ in the layer which is mainly caused by (6)_______. They are used in (7)_________ and spray cans, and to make plastic items like (8)_________________.2050protectiveburning us upholefridgesfast food boxesexist, be found/'spre? k?n//?'k?:(r)/ v.Damage to the ozone layerCFCsThe ozone layer is a protective layer –
-in the form of gas-above the ground. CFC- a type of gas harmful to the ozone layer. 2 What is the ozone layer?1 Where can CFCs be used?3 What can we do to protect the ozone layer?In fridges, spray cans and plastic items.Read the second part again. Answer the questions. Read the third part. Complete the chart.the burning and cutting down soil erosionflooding_______________________worsemake the greenhouse effect____________destroying the homesBecause trees ____________. ________________________of the forests/s??l ?'r???n/ n.takes in CO2 ______________________ of people and animals that live in the forestThink about the question.Why is the destruction of the forests making the greenhouse effect worse?1 Trees take in CO2A and lets out O2 2 if there are more trees, D the amount of CO2 will be smaller.3 However, forest are burnt and cut down, E so less CO2 is absorbed(吸收) by trees.4 Moreover, more CO2 is produces by burning fuels, F there are more harmful gases in the atmosphere.5 the atmosphere is changingB and keeping in too much heat.6 The ice at the North and South Poles will melt,C and the sea level will rise and cause danger.So the destruction of the forests is making the greenhouse effect worse. CBADFEMatch the two halves together.Why is the destruction of the forests making the greenhouse effect worse?Guess the main idea of part four.Bad habitsGuess: What is the bad habit in Part four?
Many of our habits cause pollution, especially our habit of using things once and then (1)________ them ______. This creates massive (2)________ ____rubbish. We do not know what to (3)_____ _____the rubbish and it pollutes our land and sea. For example, people throw away as many as seven billion drink cans in Britain each year. That is enough to (4)_____ ______the Earth to the moon.Listen to the fourth part. Complete the passage with proper words.throwingawaymountainsofdowithreachfromhuge, very big/'m?s?v/ adj./‘b?lj?n/ n. 十亿Bad habits1 What does the word “disposable” probably mean?
2 What habit is the most serious to the environment?
3 What are the results of this bad habit?
4 Have we solved the problem of rubbish?
5 Why did the writers give the example of the British throwing away 7 billion drink cans every year? Read the fourth part again. Think about these questions.It probably means throw-away or one-use.The habit of using things once and then throwing them away.It creates massive mountains of rubbish.
It pollutes our land and sea.No, we haven’t. Read the last part. Think about the key words and discuss with groupmates.environmentally friendly goodsgreen consumerKeyword One:________________________Keyword Two:________________________What is…?How to …?Changes must-be-done:
●________________________________
●________________________________
●________________________________
●________________________________
●________________________________Book listGreening Your HomeGreen Goes with EverythingGreen—Finding the Key is just the beginningA World that is Turning GreenWorkbook, pages 1, 9 and 10.
Textbook , pages 4 and 5.. consolidation.Thank you for your time!《英语(牛津上海版)》九年级第二学期·Unit 1·Saving the Earth
The green consumer
Worksheet
Read the first part. Tell true or false. Correct the mistakes.
_____1 The atmosphere acts like the glass boards of a real greenhouse.
_____2 The atmosphere is not essential for plants.
_____3 The surface of the moon is cold and lifeless because there is no atmosphere around it.
_____4 Carbon dioxide is the only cause of the greenhouse effect.
_____5 The greenhouse effect is not a dangerous threat according to the passage.
Read the first part again. Choose the right words to fill in the blanks.
warmth
flood
rise
thick
more seriously
fall
lifeless
greenhouse
The atmosphere around the Earth acts like the glass of a (1)__________. The atmosphere lets sunlight in and keeps (2)_______ from getting out. Without the atmosphere, the Earth would be as cold and (3)_______ as the surface of the moon.
However, pollution from burning carbon-based fuels like petrol, oil, coal and wood makes the greenhouse effect (4)_______. As the atmosphere is becoming (5)_______, the Earth would keep in too much heat .It may cause the sea level (6)_____ and (7)_______ cities and even whole countries.
(1)_____ (2)_____ (3)_____ (4)_____ (5)_____ (6)_____ (7) _____
C. Read the second part. Complete the illustration.
1) The ozone occurs (1)________ to (2)________ km above the ground.
2) It forms a(3)_______________ layer that prevents the Sun from (4)________________.
3) This is a (5)____________ in the layer which is mainly caused by (6)___________. They are used in (7)____________ and spray cans, and to make plastic items like (8)_________________________________.
Read the third part. Complete the chart.
Destruction of the forest
cause
_________________________________________of the forests.
result
?__________________________________worse.
? soil erosion
?______________________________________.
?____________________________of people and animals that live in the forests.
reason
Because trees____________________________.
Find some supporting ideas in part one and part three. Match the two halves together.
1 Trees take in CO2
______
A and lets out O2
2 if there are more trees,
______
B and keeping in too much heat.
3 However, forest are burnt and cut down,
______
C and the sea level will rise and cause danger.
4 Moreover, more CO2 is produces by burning fuels,
______
D the amount of CO2 will be smaller.
5 the atmosphere is changing
______
E so less CO2 is absorbed(吸收) by trees
6 The ice at the North and South Poles will melt,
______
F there are more harmful gases in the atmosphere.
Listen to the fourth part. Complete the passage with proper words.
Many of our habits cause pollution, especially our habit of using things once and then (1)____________ them ______. This creates massive (2)____________ ____rubbish. We do not know what to (3)_____ _____the rubbish and it pollutes our land and sea. For example, people throw away as many as seven billion drink cans in Britain each year. That is enough to (4)_______ ________the Earth to the moon.
(1)_____________ _____________ (2)_____________ _____________
(3)_____________ _____________ (4)_____________ _____________