牛津深圳版九年级下册英语课件：unit-3《the-environment》(reading

1、Reading,Unit 3,The environment,concern atmosphere temperature consumer guess green lifeless fuel,n. 担心；忧虑 n. 大气层 n. 温度；气温 n. 消费者 v. 猜测 adj. 环境保护的；赞成环境保护的 adj.无生命的；无生物成长的 n. 燃料,Word Review,coal result increase sea level destroy nature surface soil flood habit,n. 煤 n. 结果 v. (使)增长；增多；增加 n. 海平面 v. 摧毁；毁灭

2、 n. 自然界；大自然 n. 表面；表层 n. 土壤 n. 洪水；水灾 n. 习惯,Word Review,proper friendly recycle purpose greenhouse effect in danger as a result of result in mountains of take action make a difference,adj. 正确的；恰当的 adj. 无害的 v. 回收利用 n. 目的；用途 温室效应 在危险中 由于 造成；导致 许多；大量 采取行动 有作用；有影响,Word Review,What have we done to the eart

3、h and the world,Read to learn about the main problems we face in protecting the environment. To learn the new words and useful expressions,Objectives,Focus on,Words: concern atmosphere temperature guess green lifeless fuel coal result increase sea level destroy nature surface soil flood habit proper

4、 friendly recycle purpose,Phrases: greenhouse effect in danger as a result of result in mountains of take action make a difference,Patterns: Without it, the Earth would be the same as the Mooncold and lifeless. 2. Cutting down trees also destroys the homes of the animals that live in our forests, an

5、d causes the surface of the soil to be easily destroyed by rain. 3. This can result in floods and even more damage to the environment. 4. We should be different from many consumers and become “green consumers”. 5. This means that we should only buy and use products friendly to the environment,What h

6、as Lo done? What did Hi tell Lo to do? Does Lo understand what Hi meant? What did Hi mean when he told Lo to be greener,He has painted himself green,He told Lo to be greener,No, he doesnt,Getting ready,Look at the cartoon and answer,He meant that Lo should care more about the environment,Look at the

7、 following pictures and think about what causes the problems,How much do you know about the greenhouse effect,The greenhouse effect is the process of the gradual (逐渐的) rise in temperature of the Earths atmosphere. The Earth is getting warmer as an increase of gases such as carbon dioxide in the atmo

8、sphere trap the heat of the Sun,The greenhouse effect 温室效应,A What do you know about .,What do you know about the greenhouse effect? Match the first half of the sentences in column A with the second half in column B. Write the correct letters in the blanks. (P 34,e,f,b,d,c,a,Can you guess the result

9、of the greenhouse effect,What is the result of the greenhouse effect? In groups, discuss this with your classmates. (P 34,A2,The greenhouse effect results in: polar ice melting and the rise of sea levels hurricanes (飓风) and other storms are likely to happen more frequently as well as floods and drou

10、ghts (旱灾) fresh water will be less available some diseases spread faster,Plant flowers, grass or trees. Whenever you visit a park or beach, take away what you bring therekeep rubbish in a bag until you can put it in a dustbin. Turn off the lights, TV sets when you leave the room. This saves a lot of

11、 electricity (电). Turn off the tap (水龙头) when you brush your teeth. You can save some water by not letting it run. Also, use a glass cup instead of a paper cup because this saves paper. Keep the doors and windows closed in winter to keep warm air in,What can we do to protect the earth,Give your old

12、books and magazines to a library instead of throwing them away. Give your old clothes to poor children you know instead of throwing them away. . Use both sides of paper. Stop pouring dirty water into the rivers or lakes nearby. Encourage all your friends to do the same things you do to help protect

13、the earth. You dont have to wait until Earth Day to do these things. Make every day Earth Day,What is the article mainly about? What problems does the article discuss? A consumer is someone who buys and uses things. Can you guess what a “green consumer” is,Environmental problems,The greenhouse effec

14、t, cutting down forests and bad habits,A “green consumer” is someone who only buys and uses things friendly to the environment,B Before you read,Look at the pictures, the title, the introduction and the sub-headings of the article on page 35. Then answer the questions below. (P 34,Look at the articl

15、e on page 35 and choose the best answer,The article is probably from a(n) _. a advertisement b poster about the Earth Hour c environmental science book d comic book,c,Why must people do something to protect the environment? What are the main problems people face? What should people do to protect the

16、 environment,Now listen to the passage and answer the questions,Because our world is in danger,The greenhouse effect, cutting down forests and bad habits,People should become “green consumers,Task 1: Read the first part and make the following sentences into correct order,)Too much CO2 pollutes the a

17、tmosphere. ( )The atmosphere does not let the heat out. ( )The atmosphere lets the sunlight in. ( )The atmosphere keeps in too much heat. ( )The sunlight reaches the atmosphere of the Earth. ( )The greenhouse effect takes place the Earths temperature increases. ( )People burn fuels such as petrol an

18、d coal and produce a lot of CO2,1,2,3,4,6,5,7,Read and finish the following tasks,Task 2: Read the second part and complete the diagram,Cause,Effect 1,Effect 2,Effect 3,Effect 4,We destroy nature by _ _,down huge areas of forests,cutting,_ _ becomes worse,The greenhouse effect,_ _ _ _ _,The homes of

19、 the animals that live in our forests are destroyed,_ _ _ _ _,The surface of the soil is easily destroyed by rain,_ take place and _ _ _ the environment,Floods,even more damage is done to,Task 3: Read the third part and complete the diagram,Cause,Effect 1,Effect 2,People often _ _, or _,use things o

20、nce and then throw them,them away,leave them on the ground as litter,_ _ _,This creates mountains of rubbish,_ _,This pollutes our land and seas,The words in italics explain the meanings of some words on page 35. Find these words to complete the sentences. Change their forms if necessary. (P 36,As a

21、 result of,increase,sea level,surface,C1,mountains,Vocabulary,is resulting in /results in,increases,in danger,make a difference,take action,Complete the conversation below with the words from the box. Change their forms if necessary. (P 36,in danger make a difference increase take action result in,C

22、2,our world/the Earth,The atmosphere around the Earth,Replace the italicized words with information from the article on page 35. (P37,D1,D Comprehension,fuels such as petrol and coal,The increasing temperature,Cutting down trees,pollution,Read the article again and circle the correct answers. (P 37,

23、D2,The writer gives an example of a bad habit that causes pollution. Can you name some other bad habits that cause pollution? (P 37,D3,Change and wash clothes every day,waste of food,Spit everywhere,Always drive cars to other places,Forget to turn off lights when we leave the room,Our world is _. We

24、 face many problems. The atmosphere around the Earth acts like _. It _ sunlight in and keeps _ from getting out. Without the atmosphere, the Earth would be as _ as the Moon. However, when the atmosphere is polluted by _, it will keep in _ heat. This is called the _ and it may cause _ to rise and mak

25、e cities _,the glass of a greenhouse,lets,heat,cold and lifeless,CO2,too much,greenhouse effect,sea level,disappear,in danger,Fill in the blanks to retell the text,Every year, we destroy nature by _ _ huge areas of _. This makes the greenhouse effect _ because trees _ CO2 and _ oxygen. It also destr

26、oys the homes of _ that live in our forest and causes _ _ to be easily destroyed by rain. This can _ floods and even more damage to the environment,down,forests,worse,take in,produce,the animals,the soil,result in,cutting,the surface of,Many of our habits cause _. People often use things _ and then

27、_, or leave them on the ground as _. This creates _ _ and pollutes our land and seas. In order to _ the environment, we need to become _. We should only buy and use products _. We should also _ as many things as we can. We can _ things for the same purpose as before, or we can use them for _,once,th

28、row them away,litter,rubbish,protect,green consumers,friendly to the environment,recycle,reuse,pollution,mountains of,new purposes,Group work I,Activity,Discuss the questions below in groups and then report your result to the whole class. Lets see which group is the best! What other bad habits do pe

29、ople have in their daily lives? What should we do to help protect the environment,Ready,How green are you,Group work II,Activity,Try to finish the following test. Lets see who is the greenest,Ready,1. Do you recycle A: newspapers? 1 B: tins? 1 C: plastic bags? 2 2. When you make a short journey, do

30、you A: walk or cycle? 3 B: go by car? 0 C: go by public transport? 1,3. What type of bags do you use for shopping? A: reusable ( e.g., basket ) 3 B: reused plastic 1 C: new plastic 0 4. How many pieces of electrical equipment are used in your kitchen? A: 10 or more 0 B: 5 to 9 1 C: below 5 2,5. Do y

31、ou make sure that lights and other electrical equipment are switched off when not needed? A: nearly always 2 B: seldom 1 C: never 0 6. Do you use disposable chopsticks? A: often 0 B: seldom 1 C: never 2,7. Do you use paper tissues? A: often 0 B: seldom 1 C: never 2 8. Do you usually take? A: a bath

32、0 B: a shower 1,1. It is like the glass of a greenhouse, letting sunlight in and keeping heat from getting out,Language points,like, 介词，“相似；类似”。 let in “放进；允许进入” keep from doing sth. 意为“阻止(或防止、阻碍)做某事”，相当于prevent from doing sth.，from后多接名词或动名词,The guard wont let you in until the meeting is over. What

33、kept/prevented you from joining us last night,2. Cutting down trees also destroys the homes of the animals that live in our forests, and causes the surface of the soil to be easily destroyed by rain,Cutting down trees是动名词短语，在句中作主语；destroys和causes是并列的谓语动词；that live in our forests是定语从句，修饰名词animals。 ca

34、use to “导致,Water pollution causes sea animals to die,His carelessness resulted in him failing this examination. = His carelessness led to his failure in this examination. The flood did much damage to his car,3. This can result in floods and even more damage to the environment,result in 意为“造成；导致”，相当于lead to damage在此处作名词，意为“损坏；破坏”，后面通常用介词to,4. This means that we should only buy and use products friendly to the environment,that引导宾语从句。