Module 1 Unit 1 Saving the Earth 课件+嵌入音频（12张PPT）

课件12张PPT。 M1 Environment and lifeUnit 1
Saving the Earth Why does our Earth cry for help? air pollutionland pollutionwater pollutioncutting down ...n. an article in a newspaper or magazinen that gives an opinon about a new book,play ,film etc.v. go overReading: The green consumer书评，影评Tony Ma wrote a review about the book.This book says our world is in danger. It describes the various threats to the environment. The situation is so serious that we must do something to save the Earth.various
threatssave the Earth/'ve?r??s/ adj. /θret/ n.The ____________ effectDamage to the ________ layer
O3 层B_____ ________D___________ of the forests
(destroy)1Threats Scan the passage , complete the subtitlesgreenhouseozone estructionad habits1234n.温室 a glass building used for growing plants that need warmth,light and protection./'??z??n/ n.Read 'The greenhouse effect' part, answer some questions./'?tm?sf??(r)/ n.The writers ask us to ‘imagine that the Earth is inside a kind of greenhouse with the atmosphere around it. The atmosphere acts like the glass: it lets sunlight in and keeps warmth from getting out. The atmosphere is essential for all living things. Without it, the Earth would be as cold and lifeless as the surface of the moon’.
‘The trouble is that our atmosphere is changing because we are polluting it with chemicals—in the form of gases—and it is keeping in too much heat!’
1.What's the use of the atmosphere?
2.Why is the atmosphere essential for all living things?
3. What's the problem with our atmosphere?Complete the table chemicals- in the form of gases (mainly CO2) 1.cause the level of the sea to rise2. flood cities and even whole countriesco2--carbon dioxide
/?kɑ:b?n da?'?ksa?d/factories , carsbe produced by burning fuelsflood n. 洪水
v.（使）灌满水，淹没Which threat makes worse ? the greenhouse effectDestruction of the forestsforest fires
cut down trees1.make the greenhouse effect worse
2.cause soil erosion and flooding
3.destroy the homes of people and animals that live in the forestsTrees take in CO2.. Listen and complete the ' Damage to the ozone layer ' part. 2050protectiveburning holefridgesplastic itemsWhat information do you want to get from this part?use chemicals called CFCs1.make holes in the ozone layer
2.the sun would burn us up塑料物品massive mountains of rubbish The fouth threat Bad habits1.use things once and then throw them away
2. don't know what to do with the rubbishit pollutes our land and seaWasteHow can we save the Earth?
The book is asking us to become ‘green consumers’. That means we should only buy and use environmentally friendly goods so that we can save the Earth. These goods will not damage the environment.
Let’s be green consumers and enjoy living a better life on the Earth! Let's read together DiscussionWe should...
We'd better (not )...Solutions Homework1. Read the text aloud at least three times and make sure to pronounce the words correctly. 2.Finish the poster “My green promise”and try to use the information from the text.My Green Promise
Our world is _______________. To change the s_______ situation we must become__________________.
I promise that I will always_____________,_______
_______ and _________________________.
I will ______________________________ instead of__________________________________.
________________________ is bad for our Earth. So I will never _______________________________________.
____________________________________________________________________________________________________.
In a word , I will t______ my b_______ to save our Earth. I will only buy and use ________________________ goods. These are my promises I will always keep.
Sign here__________________