Oxford English8A Chapter 6Oxford 8A Chapter SixReading: Pollution fighters抵御污污染的斗士 采访访谈访访谈 了解有关树树木的知识识 P79 Listening 写通知 P81Language现现在进进行时时 P82 不常用在现现在进进行时时中的动词动词 P83Speaking 元音音标标【i】和【i:】 P84 讨论战胜污讨论战胜污 染之法 P85 Using English书书的目录录 P86 Writing 关于建户户外休闲闲区的新闻报闻报 道 P87More practice 市区树树木的好处处 P88课时安排 (8-9课时 ) Reading cool ; some special trees; table ; furniture ; summer ; Tree-planting Day (12 March); forest; oxygen Step 2. DiscussionWhat can we get from trees?eat drink useP78-A.3rubberoilchopstickscottonpencilteatablebooknutsbeansfruitTrees are very useful. Judys school took part in a tree- planting campaign. To attract people to join, Judy and Rita wrote a notice. Listen to them talking, and complete the notice.Come and help us to plant some trees! Eight reasons for helping to plant trees: 1 Trees make streets more _ . 2 Trees make streets less _ . 3 Trees make our air _ . 4 Trees make our air _ . 5 Trees make _ to keep us alive and _. 6 Trees provide us with _ things like _ and _. 7 Trees help us to fight _ . 8 Trees are in _ .Step 3. Listeningbeautiful noisy purer cooler oxygenhealthyusefulfruit paper pollution dangerFrom listening, we know that trees can help us to fight pollution. Air pollution Water pollution Noise pollution Trees are so important.Do you think trees live shorter than people and animals?P78-A.1How long do trees live?150 years4000 years3 yearsmicepeoplewhalestortoises trees70 years40 yearsDo you think trees can really live for 400 years?What happens to trees now?If therere no trees,what will our earth be like?What will our earth be like if therere no trees?What should we do to protect our earth?Period 2,3 Teaching targets: To train the class reading skills and good habits on reading. Problems to solve:Exercises B,D and EAir pollution Water pollution Noise pollutionTeaching procedure Step 1: POLLUTION FIGHTERSRead the title , subtitle, pictures, the first paragraph and the last paragraph, the first sentence and the last sentence of each paragraph.Step 2: Skimming (P78, B. Look and think)Title:Pollution fightersSubtitle:Judy is collecting some facts for a class project on pollution .she is interviewing Doctor Ray, a scientist, about trees.Pictures:True or False ( ) 1. The pollution fighters are probably scientists. ( ) 2. A few useful products come from trees. ( ) 3. Trees produce harmful gases. ( ) 4. Trees can pass information to one another.FFFTPay attention to the sentences beginning with Wh- or How.Step 3. Scanning 1. Why is Doctor Ray so interested in trees? 2. What good are trees? 3. What else can trees do? 4. A lot of things come from trees. Please give some examples. 5. What are natural air conditioners? Why ? 6. How many students are there in Judys class? 7. How many trees could produce enough oxygen to keep 46 people alive and healthy for a year? 8. What can trees do to the air? 9. How many trees can do the job of 5 air conditioners running almost all day? 10. Why are trees in great danger?Step4: Reading for detailsPay attention to such words: but, when, while, so 1. Look at the questions below the three pictures and find the answers from the interview 2:Whats the relationship between 2:Whats the relationship between trees and air conditioners?trees and air conditioners?3:What do the two trees do?3:What do the two trees do?1: Who are they?1: Who are they?The girl is Judy, the woman is Dr Ray.The girl is Judy, the woman is Dr Ray.Three trees can do Three trees can do the job of 15 air co-the job of 15 air co- nditionersnditioners running running almost all day.almost all day.They join their roots together.They join their roots together.2. Fill in the blanks Judy: You certainly know a lot about trees, Doctor Ray. Dr Ray: Thank you ,Judy, _I dont ,really. Scientists are only now _ to understand them. For example, did you know that _insects attack a tree, it can _its neighbours? The trees can then protect themselves by_ a_ that makes their leaves taste _.And some trees can join their roots _underground, and pass food and water around. Trees are _with one another, but we dont know_. Judy: Are trees in_? Dr Ray: In great danger. We cut down and burn _every year but we replace _any of them. We are _our best _against pollution.butbeginningwarn chemical nastyhow dangerhardlytogethermillionsproducingcommunicatingfightersdestroyingwhen3. Do exercise D on P80 D. Find the facts: Correct Judys mistakes Trees: 1. live much longer than people;T 2. produce wood, rubber, paper, nuts, beans and fruit.Ttake oxygen from the air;Fheat the air;F 5. are like air conditioners;T cannot protect themselves against insects;F7. can share food and water with one another;T8. are in danger, mainly frominsects.F3.release oxygen into 4. cool6.canpeople/human.