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初中英语仁爱科普版九年级上册Topic 2 All these problems are very serious.课堂教学课件ppt
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这是一份初中英语仁爱科普版九年级上册Topic 2 All these problems are very serious.课堂教学课件ppt，共39页。PPT课件主要包含了Review，oxygenO2，Scanning ，Tasks，泥土被带走，take away ， be dead，有害辐射穿过这个洞，吸烟可导致肺癌 ，这个坏消息使她伤心等内容，欢迎下载使用。
(1)________ f us knws hw t stp the bad behavir.(2) I kncked n the dr but ___________ answered.(3) Sme f these bks are better than__________.(4) She was driving the car with ne hand and wiping the windw with the _______.(5) They are beautiful but I am lking fr ___________ useful.(6) Is there ___________ yu can d t help her?(7) There’re 5 000 peple living here and almst _________has his/her wn car.(8) He’s cleverer than ____________ I knw.(9) I’ve lked __________ but I can’t find it.
Fill in the blanks using smething, anything, thers, nbdy, everyne, anybdy, everywhere, nne, ther.
What can we d t prtect ur envirnment ?We shuld/shuldn'
Give a speech
fewer trees
factry pllutin
traffic pllutin
the zne layer
mre carbn dixide
Can yu match them?
In ur daily life, we shuld face mre envirnmental prblems. Lk at the fllwing pictures and predict the main idea f the passage.
Skimming (1b-1 P40)
1.Chse suitable titles fr Paragraphs 2-6. Then write it dwn in frnt f each paragraph.
A.Traffic pllutinB. Factry pllutinC. Fewer treesD.The zne hleE. Mre carbn dixide
Scanning (1b 2-5 P40)
1b Read 1a and cmplete the fllwing tasks(1b 2-5) .
2.What des ur planet mean here? A. The sun. B. Mars. C. The mn. D. The earth.
原文:But during this perid, we have changed ur planet a lt in many ways. Sme things we have dne are gd fr ur earth while thers are bad. 1.当...的时候 2.虽然，尽管 3.然而（表对比）
Chse suitable titles fr Paragraphs 2-6. Then write it dwn in frnt f each paragraph.
_________ All ver the wrld, peple have cut dwn millins f trees. When it rains r when the wind blws, the earth is taken away. Frests have becme deserts, s many kinds f animals and plants are disappearing.
C. Fewer Trees
Paragraph 2
take away拿走、带走
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cut dwn, millins f, take away the earth, becme desert
_________ In big cities, cars and buses have plluted the air. Nw many peple in cities have health prblems.
Skimming : the suitable title (正确标题）
A. Traffic Pllutin
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cities, pllute the air, health prblems,traffic pllutin
factries, the land , the air and the water, dead, factry pllutin
Paragraph 4
B. Factry Pllutin
carbn dixide
/ˈkɑ:bən daɪˈɔksaɪd/
/ 'ɒk sɪ dʒən/
Pre-reading
Sme trees’ functins
Trees can breathe in__________________and breathe ut_________________.
carbn dixide(CO2)
/ˈblæŋkɪt/
/ɪˈskeɪp/ 逃离、渗出
It has frmed a blanket and the heat (热气）frm the sun can’t escape.
The temperature is rising.
rise /ˈraɪz/ 上升
But Carbn dixide has increased(增加) a lt.
a special kind f xygen called “zne ” (O3) (被叫做）
/ ˈəʊ zəʊn /
zne layer臭氧层
/ ˈəʊ zəʊn ˈlei ə /
hle / həʊl / 洞
a very big hle in the zne layer（臭氧层）
There is t much harmful radiatin frm the sun
/ˌreɪ dɪˈeɪ ʃ n /放射物
cause the level f the sea t rise called “the greenhuse effect” r “glbal warming”
/ həʊl / 洞/fɔ:m / 形成/raɪz/ 上升
blanket 毯子carbn dixide 二氧化碳zne 臭氧radiatin 放射物
Paragraph 5
D.The Ozne hle
Paragraph 6
E.Mre Carbn Dixide
1a Read and understand.
1b Read 1a and cmplete the fllwing tasks.
3.In the passage, blanket refers t ____. A. carbn dixide arund the earth B. the zne layer in the sky C. the frests arund the wrld D. pllutin all ver the wrld
refer t 涉及、提到
4.The wrd it in Paragraph5 refers t ____. A. CO2 B. O3 C. O2 D. H2O
Scanning :
原文：There is a kind f xygen called “zne”. It is imprtant .But nw air pllutin is destrying it and making a very big hle in the zne layer.
5. What is the best title fr this passage ? Envirnment Prblems B. Pllutin n the Earth C. Hpe fr the Future D. The Greenhuse Effect
Write dwn nly the key wrds when taking ntes.
1c Cmplete the ntes accrding t 1a.
cars and buses pllute air, health prblems
pllute land and water, rivers and lakes dead
harmful radiatin reaches the earth, cause cancer
factry pllutin
Careful reading:
Task 2: Useful expressins:
take awayas a resultbe deadmake a big hlepass thrugh the hle cause sb\ sth t d sthrefer t
3. As a result, many rivers and lakes are harmful radiatin passes thrugh the hle .5. This is called “the greenhuse effect”.6. It causes the level f the ceans t rise and the climate f the earth t change.
2. The earth is taken away.(翻译、举例)
1. Sme things we have dne are very gd frthe earth while ther are bad.(翻译)
The earth is taken away. take away:Eg:难道你要拿走他们的铅笔吗？Are yu gingt t their pencils?
As a result, many rivers and lakes are dead.
结果，许多河流和湖泊都死了,没有活的生物。
1. As a result：因此，结果
Eg: 因此，他们会非常具有说服力。 , they can be very persuasive.
As a result
The harmful radiatin passes thrugh the hle .
pass thrugh the hle
pass thrugh
空气可以通过潮湿的布料。Air will the wet clth.
pass thrugh
It causes the level f the ceans t rise and the climate f the earth t change.
它导致了海平面的上升以及地球气温的变化
1. the level f the ceans 海平面
2.cause:造成”、“使(发生)
Smking may cause lung cancer.
The bad news caused her t be sad.
Cause sth.:
1. _________, many rivers and lakes harmful radiatin______________ the hle _________the level f ceans ___________.
4. The earth ______________ (泥土被带走）.
Practice: Fill in the blanks
As a result
are dead
passes thrugh
is taken away
2 Surf the Internet t cllect mre infrmatin abut envirnmental prblems and effects. Then discuss the infrmatin in grups and take ntes.
3. Cmbine the key pints in 1c and 2 t frm a shrt passage and pay attentin t the prper linking wrds.
As we all knw, water pllutin is becming mre and mre serius. Sme factries pur waste water int the rivers. As a result, it makes the water dirty and smell terrible. Mst f fish in the water have died and we can’t swim in the water. Water is very imprtant t human beings, s we shuld d ur best t prtect and save it. Luckily, ur gvernment is taking measures t prtect the water frm pllutin.
Yu can write it like this:
We learn: 1. Sme wrds: hle, frm, rise 2. Sme phrases: take away, refer t 3. Sme sentences: All these prblems are very serius, s wemust d smething nw. We can: 1. Talk abut the harm f pllutin. 2. Cmbine the key pints t frm a shrt passage.
1.Read the useful expressins and key wrds which we learn Sectin C in yur Sectin A-C and preview Sectin D.
(1)________ f us knws hw t stp the bad behavir.(2) I kncked n the dr but ___________ answered.(3) Sme f these bks are better than__________.(4) She was driving the car with ne hand and wiping the windw with the _______.(5) They are beautiful but I am lking fr ___________ useful.(6) Is there ___________ yu can d t help her?(7) There’re 5 000 peple living here and almst _________has his/her wn car.(8) He’s cleverer than ____________ I knw.(9) I’ve lked __________ but I can’t find it.
Fill in the blanks using smething, anything, thers, nbdy, everyne, anybdy, everywhere, nne, ther.
What can we d t prtect ur envirnment ?We shuld/shuldn'
Give a speech
fewer trees
factry pllutin
traffic pllutin
the zne layer
mre carbn dixide
Can yu match them?
In ur daily life, we shuld face mre envirnmental prblems. Lk at the fllwing pictures and predict the main idea f the passage.
Skimming (1b-1 P40)
1.Chse suitable titles fr Paragraphs 2-6. Then write it dwn in frnt f each paragraph.
A.Traffic pllutinB. Factry pllutinC. Fewer treesD.The zne hleE. Mre carbn dixide
Scanning (1b 2-5 P40)
1b Read 1a and cmplete the fllwing tasks(1b 2-5) .
2.What des ur planet mean here? A. The sun. B. Mars. C. The mn. D. The earth.
原文:But during this perid, we have changed ur planet a lt in many ways. Sme things we have dne are gd fr ur earth while thers are bad. 1.当...的时候 2.虽然，尽管 3.然而（表对比）
Chse suitable titles fr Paragraphs 2-6. Then write it dwn in frnt f each paragraph.
_________ All ver the wrld, peple have cut dwn millins f trees. When it rains r when the wind blws, the earth is taken away. Frests have becme deserts, s many kinds f animals and plants are disappearing.
C. Fewer Trees
Paragraph 2
take away拿走、带走
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cut dwn, millins f, take away the earth, becme desert
_________ In big cities, cars and buses have plluted the air. Nw many peple in cities have health prblems.
Skimming : the suitable title (正确标题）
A. Traffic Pllutin
In ur daily life, we shuld face mre envirnmental prblems. Can yu say smething abut them?
cities, pllute the air, health prblems,traffic pllutin
factries, the land , the air and the water, dead, factry pllutin
Paragraph 4
B. Factry Pllutin
carbn dixide
/ˈkɑ:bən daɪˈɔksaɪd/
/ 'ɒk sɪ dʒən/
Pre-reading
Sme trees’ functins
Trees can breathe in__________________and breathe ut_________________.
carbn dixide(CO2)
/ˈblæŋkɪt/
/ɪˈskeɪp/ 逃离、渗出
It has frmed a blanket and the heat (热气）frm the sun can’t escape.
The temperature is rising.
rise /ˈraɪz/ 上升
But Carbn dixide has increased(增加) a lt.
a special kind f xygen called “zne ” (O3) (被叫做）
/ ˈəʊ zəʊn /
zne layer臭氧层
/ ˈəʊ zəʊn ˈlei ə /
hle / həʊl / 洞
a very big hle in the zne layer（臭氧层）
There is t much harmful radiatin frm the sun
/ˌreɪ dɪˈeɪ ʃ n /放射物
cause the level f the sea t rise called “the greenhuse effect” r “glbal warming”
/ həʊl / 洞/fɔ:m / 形成/raɪz/ 上升
blanket 毯子carbn dixide 二氧化碳zne 臭氧radiatin 放射物
Paragraph 5
D.The Ozne hle
Paragraph 6
E.Mre Carbn Dixide
1a Read and understand.
1b Read 1a and cmplete the fllwing tasks.
3.In the passage, blanket refers t ____. A. carbn dixide arund the earth B. the zne layer in the sky C. the frests arund the wrld D. pllutin all ver the wrld
refer t 涉及、提到
4.The wrd it in Paragraph5 refers t ____. A. CO2 B. O3 C. O2 D. H2O
Scanning :
原文：There is a kind f xygen called “zne”. It is imprtant .But nw air pllutin is destrying it and making a very big hle in the zne layer.
5. What is the best title fr this passage ? Envirnment Prblems B. Pllutin n the Earth C. Hpe fr the Future D. The Greenhuse Effect
Write dwn nly the key wrds when taking ntes.
1c Cmplete the ntes accrding t 1a.
cars and buses pllute air, health prblems
pllute land and water, rivers and lakes dead
harmful radiatin reaches the earth, cause cancer
factry pllutin
Careful reading:
Task 2: Useful expressins:
take awayas a resultbe deadmake a big hlepass thrugh the hle cause sb\ sth t d sthrefer t
3. As a result, many rivers and lakes are harmful radiatin passes thrugh the hle .5. This is called “the greenhuse effect”.6. It causes the level f the ceans t rise and the climate f the earth t change.
2. The earth is taken away.(翻译、举例)
1. Sme things we have dne are very gd frthe earth while ther are bad.(翻译)
The earth is taken away. take away:Eg:难道你要拿走他们的铅笔吗？Are yu gingt t their pencils?
As a result, many rivers and lakes are dead.
结果，许多河流和湖泊都死了,没有活的生物。
1. As a result：因此，结果
Eg: 因此，他们会非常具有说服力。 , they can be very persuasive.
As a result
The harmful radiatin passes thrugh the hle .
pass thrugh the hle
pass thrugh
空气可以通过潮湿的布料。Air will the wet clth.
pass thrugh
It causes the level f the ceans t rise and the climate f the earth t change.
它导致了海平面的上升以及地球气温的变化
1. the level f the ceans 海平面
2.cause:造成”、“使(发生)
Smking may cause lung cancer.
The bad news caused her t be sad.
Cause sth.:
1. _________, many rivers and lakes harmful radiatin______________ the hle _________the level f ceans ___________.
4. The earth ______________ (泥土被带走）.
Practice: Fill in the blanks
As a result
are dead
passes thrugh
is taken away
2 Surf the Internet t cllect mre infrmatin abut envirnmental prblems and effects. Then discuss the infrmatin in grups and take ntes.
3. Cmbine the key pints in 1c and 2 t frm a shrt passage and pay attentin t the prper linking wrds.
As we all knw, water pllutin is becming mre and mre serius. Sme factries pur waste water int the rivers. As a result, it makes the water dirty and smell terrible. Mst f fish in the water have died and we can’t swim in the water. Water is very imprtant t human beings, s we shuld d ur best t prtect and save it. Luckily, ur gvernment is taking measures t prtect the water frm pllutin.
Yu can write it like this:
We learn: 1. Sme wrds: hle, frm, rise 2. Sme phrases: take away, refer t 3. Sme sentences: All these prblems are very serius, s wemust d smething nw. We can: 1. Talk abut the harm f pllutin. 2. Cmbine the key pints t frm a shrt passage.
1.Read the useful expressins and key wrds which we learn Sectin C in yur Sectin A-C and preview Sectin D.
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