Unit8 Ａ Green world Welcome to the unit课件

课件26张PPT。8B Unit8 A green World
Welcome to the unit学习目标：
能准确运用有关如何保护环境的表达。
能就环保的话题展开讨论。
培养学生保护环境的意识。 Warming upDid you know that all around the world, 3 to 6 billion trees are cut down each year? Have you ever planted a tree? What do you think of the pictures?New words & phrasesdig vt. & vi. 挖(洞，沟等)serious adj.
认真的，严肃的breadfruit n.
面包果Listen and answer What is Hobo going to do?He is going to plant trees.Read and answer:
1. Will more trees be planted this year?
2. What does Eddie like doing?
3. What will Eddie plant?Yes. Trees are good for us.He likes digging in the garden.He will plant breadfruit trees.Act out the comic strip短文缺词填空。
Spring is coming. Eddie asks Hobo what he is going to do. Hobo says he is going to plant ________. Eddie asks if more trees will be ________ this year. Hobo says yes because trees are ________ for everybody. Eddie wants to go with Hobo. He says he likes _________ in the garden. Oh, is he ________? Everyone knows Eddie used to be ________. Has Eddie changed? Of course not. What he really wants is _________ breadfruit trees so that he can eat lots of breadfruit. Eddie really enjoys _________! treesplantedgooddiggingseriouslazyplantingeatingreduce vt. & vi.
减少，降低e.g. We can reduce air pollution by riding bicycle. turn off
关上（开关）e.g. We can save energy by turning off
the lights when we leave.recycle vt. 回收利用，循环利用e.g. We can protect the environment
by recycling things.take a showere.g. We can save water by taking
shorter shower.cause vt. 导致；造成e.g. Human pollution causes global warming.
人为污染导致全球变暖。 The class 1, Grade 8 students are talking about ways to live a green life. Look at the pictures below and match them with the correct sentences.A green lifea. We can reduce air pollution by riding bicycles.b. We can save water by taking shorter showers.c. We can save energy by turning off the lights when we leave a room.d. We can protect the environment by recycling waste.How do you go to school every day?
Do you want to protect our earth?
How do you protect it?
Free-talk：Read and answer 1. How did Kitty go to school in the past?
2. What about now?
3. What does Millie think she should do to live a green life?
4. What about Daniel?
5. What about Sandy?
Her father used to drive her to school.They take the underground now. She thinks it’s wise for people to choose public transport and ride bicycles.He thinks we can take shorter showers to save water.She thinks we should remember to turn off the lights when we leave a room.Read the conversation after the recorder.Work in groups and talk about the ways to live a green life.A: What should we do to live a
green life?
B: I think ….
C: I think ….
D: I think ….Free talk 根据汉语提示写单词。
1. Is he ________ (严肃的)?
2. We can ________ (减少) air pollution by riding bicycles.
3. He is ________ (挖洞) in the garden.
4. We can ________ (回收利用) old things.
5. It is ____ (明智的) of you to take a map. seriousreducediggingrecyclewiseExercises1. 打算、计划做某事
2. 植更多的树
3. 在花园里挖沟be going to do sth.
plant more trees
dig in the garden4. 种植水果面包树
5. 对…... 有好处
6. 减少空气污染
7. 严重的，严肃的plant breadfruit trees
be good for …
reduce air pollution
be serious8. 节约水/能源
9. 引起严重的空气污染save water
cause serious air pollutionHomeworkRead the text book and learn the
new words and phrases by heart.