仁爱英语九年级.pptx

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1、仁爱英语九年级仁爱英语九年级(1)_ of us knows how to stop the bad behavior.(2)I knocked on the door but _ answered.(3)Listen!_is knocking at the door.(4)_ is difficult if you put your heart into it.(5)_ is ready.Lets begin.(6)Be quiet.I have _ important to tell you.(7)Is there _ you can do to help her?(8)Therere 5

2、 000 people living here and almost _has his/her own car.(9)Im new here.I dont know _ here.(10)Ive looked for my pen _ but I cant find it anywhere.Fill in the blanks using something,anything,everything,nothing，nobody,everyone,anybody,everywhere,none,someone.NonenobodysomeoneEverythingsomethinganythin

3、geveryoneanybodyeverywhereNothing第1页/共26页What kind of environment do you want?第2页/共26页What should we do to protect our environment?第3页/共26页In our daily life,we should face more environmental problems.What are they,do you know?cities,pollute,health problems第4页/共26页 factories,the land and the water,de

4、ad第5页/共26页 cut down,millions of,take away the earth,become deserts拿走拿走第6页/共26页 oxygen a special kind of oxygen called“ozone”(O3)臭氧臭氧 oxygen氧气氧气第7页/共26页 a very big hole in the ozone layer,too much harmful radiation from the sun臭氧层放射，放射物 n.洞，坑第8页/共26页v.出现，形成n.种类，形式CO2 carbon dioxide increase a lot,for

5、m a“blanket”,the heat from the sun cant escape二氧化碳毛毯，毯子渗出；逃跑；逃脱第9页/共26页 called“the greenhouse effect”cause the level of the sea to rise温室效应温室效应v.上升上升；起床；起床；升起升起第10页/共26页All these problems are very serious,so we must do something now.第11页/共26页fewer treesfactory pollutiontraffic pollutionthe ozone lay

6、ermore carbon dioxideCan you match them?第12页/共26页Choose suitable title for each paragraph.Then write it down in front of each paragraph._ All over the world,people have cut down millions of trees.When it rains or when the wind blows,the earth is taken away.Forests have become deserts,so many kinds o

7、f animals and plants are disappearing.Fewer TreesA.Traffic pollution B.Factory pollution C.Fewer trees D.The ozone hole E.More carbon dioxide第13页/共26页 _ In big cities,cars and buses have polluted the air.Now many people in cities have health problems.Traffic PollutionA.Traffic pollution B.Factory po

8、llution C.Fewer trees D.The ozone hole E.More carbon dioxide第14页/共26页_Factories have also polluted the land and the water.As a result,many rivers and lakes are now dead.Factory PollutionA.Traffic pollution B.Factory pollution C.Fewer trees D.The ozone hole E.More carbon dioxide第15页/共26页_ Around the

9、earth,theres a special kind of oxygen called“ozone”(O3).It is important to the earth.But now air pollution is destroying it and making a very big hole in the ozone layer.Too much harmful radiation from the sun passes through the hole and reaches the earth directly.This is very dangerous because this

10、 kind of radiation can cause cancer.The Ozone Layer直接地直接地A.Traffic pollution B.Factory pollution C.Fewer trees D.The ozone hole E.More carbon dioxide第16页/共26页 _ Carbon dioxide(CO2)in the air has increased a lot.It mainly comes from burning oil,coal and wood.This has formed a blanket around the earth

11、.The heat from the sun cant escape so the temperature is rising.This is called“the greenhouse effect”.It causes the level of the oceans to rise and the climate of the earth to change.More Carbon DioxideA.Traffic pollution B.Factory pollution C.Fewer trees D.The ozone hole E.More carbon dioxide第17页/共

12、26页2.What does our planet mean here?A.The sun.B.Mars.C.The moon.D.The earth.The earth is 4.6 billion years old.We humans have lived on the earth for only 35 000 years,but during this period,we have changed our planet a lot in many ways.Some things we have done are very good for the earth while other

13、s are bad.第18页/共26页3.In the passage,blanket refers to _.A.carbon dioxide around the earth B.the ozone layer in the sky C.the forests around the world D.pollution all over the world _ Carbon dioxide(CO2)in the air has increased a lot.It mainly comes from burning oil,coal and wood.This has formed a bl

14、anket around the earth.The heat from the sun cant escape so the temperature is rising.This is called“the greenhouse effect”.It causes the level of the oceans to rise and the climate of the earth to change.More Carbon Dioxide第19页/共26页4.The word it in Paragraph5 refers to _.A.CO2 B.O3 C.O2 D.H2O_ Arou

15、nd the earth,theres a special kind of oxygen called“ozone”(O3).It is important to the earth.But now air pollution is destroying it and making a very big hole in the ozone layer.Too much harmful radiation from the sun passes through the hole and reaches the earth directly.This is very dangerous becau

16、se this kind of radiation can cause cancer.The Ozone Layer第20页/共26页5.What is the best title for this passage?A.Environment Problems B.Pollution on the Earth C.Hope for the Future D.The Greenhouse Effect 第21页/共26页Write down only the key words when taking notes.1c Complete the notes according to 1a.第2

17、2页/共26页ProblemEffect on the environmentfewer trees forests become deserts,animals and plants disappeartraffic pollution greenhouse effect,level of oceans rising,climate changecars and buses pollute air,health problemspollute land and water,rivers and lakes deadharmful radiation reaches the earth,cau

18、se cancer factory pollution ozone hole more CO2第23页/共26页We learn:1.Some words:1.Some words:hole,form,risehole,form,rise 2.Some phrases:2.Some phrases:take away,take away,refer to refer to 3.Some sentences:3.Some sentences:All these problems are very serious,so weAll these problems are very serious,s

19、o wemust do something now.must do something now.We can:Talk about the harm of pollution.Talk about the harm of pollution.第24页/共26页2.Surf the Internet to collect more 2.Surf the Internet to collect more information about environmental information about environmental problems and effects.Then discuss problems and effects.Then discuss the information in groups and take the information in groups and take notes.notes.3.Combine the key points in 1c and 2 to form a short passage and pay attention to the proper linking words.第25页/共26页感谢您的观看！感谢您的观看！第26页/共26页