上教牛津 9B Chapter 1(辽宁省沈阳市和平区)

课件22张PPT。The Green Consumer
Made by Han XiaoHow you can help save the earth?What’s the name of the book that is reviewed? Who are the authors?
The book is called a guide. What does this name suggest the book will do?
A consumer is anyone who buys and uses things. What do you think a green consumer is?
What do you think the main topic of the book is?
How many topics does the review cover?Skim for the answers:1.Why does the earth ask for help ?
2.What are the threats to the environment ?Because it is in danger .The Greenhouse effect .Damage to the ozone layer.Destruction of the rain forests.People’s bad habits.1.How does the atmosphere work for the earth ? 2.If there were no atmosphere around the earth , how would the earth be ?3.Why does the writer say our atmosphere is changing ?5.What result may the Greenhouse Effect cause ?It lets sunlight in while keeps the warmth from getting out .It would be cold and lifeless.Because we are polluting it with chemicals.It may cause the level of the sea to rise and drown cities and even whole countries.4. How is C02 produced ? It is produced by burning fuels .the ozone layerhole Find suitable words for the blanks below according to the text.
1. Ozone is a gas which _______20-50 km _______ the ground.
2.________the ozone layer, the sun would ______us up.
3.We are making _______in the ozone layer mainly by using _________ called CFCs.
4.We use CFCs in ________and _______ cans, and to make ________ items such as fast food boxes. occursaboveWithout burnholeschemicalsfridgessprayplastic Ture or false:
1.People are making the Greenhouse Effect worse by burning and cutting down of trees.( )
2.In fact, trees are our good friends.( )
3.Trees can take in oxygen(氧气）.( )
4. Trees can’t cause erosion of the soil and flooding .( )
5.When people are burning and cutting down trees, they are actually destroying the people and animals who make the forests their home. ( ) TFTTT as well as 又，也
=> and …as well
=> not only…but also…
He knows English as well as French.
He knows English and French as well.
He knows not only French but also English.2. My son is clever as well as lovely.
My son is clever and lovely as well.
My son is not only lovely but also clever.
as well as 与not only… but also…转化时，要调换被连接词的前后位置。
She is a singer as well as a dancer.
She is not only dancer but also a singer.当as well as 连接两个主语时，谓语动词 的单复数与前一个主语保持一致。而not only…but also… 连接两个主语时，谓 语动词的单复数和后一个主语保持一致。
eg: The professor as well as his assistants has gone to the library.
Not only his assistants but also the professor has gone to the library. The child as well as its parents _____ interested in it.wasRead and find the answers to the following questions.
1.What kind of habits cause pollution?
2.Do people know what to do with the rubbish?
3.Can you give any other examples of using things once?Read the last paragraph , then discuss in groups:
1.How can we save the earth?
2.How to be a green consumer? very, very important
things or people that might cause harm
the natural world that we live in
without any life
kill by water
exists or happens
hugevitalthreatsenvironmentlifelessdrownoccursmassive1. Because of pollution, __________.
a. not enough sunlight is reaching the earth.
b. not enough heat is leaving the earth.
2.a.The moon does not have an atmosphere.
b.The atmosphere of the moon has been
destroyed of by pollution.3. More CO2 in the atmosphere will cause the sea level to _______.
a. rise b. fall
4. If we use fewer CFCs, the ozone layer will be _______.
Protected b. damaged5. If there are more trees, the amount of CO2 in the atmosphere will be _______.
a. greater b. less
6. Rubbish is a serious problem, but we are ________.
a. solving it b. not solving it
7. The book’s aim is to make _______.
a. young people protect the environment more.
b. more young people become consumers1.Write a short letter to your friends, asking them to be green consumers.
2.Write a letter to Shenyang government to prevent companies from producing pollution.A task:(You can choose one.)