Unit 22 Warm-up & Global Warming[下学期]
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| 名称 | Unit 22 Warm-up & Global Warming[下学期] |  | |
| 格式 | rar | ||
| 文件大小 | 3.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 北师大版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2006-11-18 21:02:00 | ||
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课件43张PPT。Environmental
ProtectionWarm Up1)Let’s enjoy a videoLead-in: how much do you
know about environmental
problems?2) Look at the pictures and use some Key Words in Exe1 to describe themrihnoturtleendangered speciestigerpandafloodingsnatural disastersthe greenhouse effectglobal warmingEX1.: use the Key Words to complete the sentences
1). natural disasters
2). endangered species
3). the greenhouse effect
4). global warming
5). overpopulation
6). poverty
7). floodingNew Words of Exercise2Argentina 阿根廷
penguin 企鹅
Antarctica 南极洲
threat 威胁
biologist 生物学家
Magellanic penguins 麦哲伦海峡企鹅
tanker 油船
urgent 紧急的，迫切的
2. Listen to the news report. Which of the statements are true and which are false? 1) The news reporter is working in Antarctica.
2) The news report is about penguins.
3) Penguins have only one partner for life.FTT4) Fishing boats do not affect the deaths of penguins.
5) Most penguin species outside of Antarctica are safe from environmental changes.
6) Experts call for immediate international conservation effect.FFTglobal warming Global WarmingCan we take the heat?Look at the pictures and tell about what can be the results of the global warming?
Discussion:
What can be the results of the
global warming?
Global warmingfloodsdroughtstyphoonsfamineextinction
of animalsmore diseasesincrease of temperature…9:29Fast-reading (Scanning)1) What is global warming ?
Global warming is an average increase in the Earth’s atmosphere.
2) By how much has the global average temperature increased in the last 100 years ?
By 1oF (One degree Fahrenheit)
Listen to the tape of the text and match the headings with the paragraphs.(a)Indtroduction of the problem.
(b).How to deal with the problem.
(c).Global warming is related to greenhouse gases.
(d)Results of global warming.
(e)The link between human activities and global warming.Para 1.
Para 2.
Para 3.
Para 4.
Para 5.Detailed-reading:
Fill in the blanks about the text.Para.1:
Environmentalists think it is _______ ______ that cause global warming, especially gases from ________ and vehicles which __________ global warming.factorieshumanbeingsspeed upPara2: The Earth’s temperature is controlled by __________ _____like carbon dioxide which _____ heat from the sun in the Earth’s atmosphere. But if the ___________ ____________ of these gases increase, more heat is trapped and the Earth’s temperature _______.greenhouse gases trap atmosphericconcentrationsrisesPara.3: Over the last 100years , the global average temperature has increased ________. Because of increased ________, ___________, _____________, ____________ and the burning of fules, carbon dioxide has risen ________ in the last 250 years. by 1°Findustryagriculture transportation deforestationby 30%Para.4:
What are the results of global warming according to the text?
It can cause dramatic changes, such as…
It will negatively affect …
It will also cause …
Para.5:
What can we do as to stop the global warming?
The governments …
As individuals we should do some changes like…
Taking public transport like buses
can reduce greenhouse gas emissions And Taking train can also help a reduction of greenhouse gas. The recycling symbol Buying recycled productsrecycled productsUsing low-flow shower headsBuying energy-efficient
light bulbsreplacewithConclusion:
We have only one earth.
Let’s protect
it together!Language
pointsbeyond: 在远处,在另一边,在…之外
e.g. : The bicycle is beyond repair.
We must look beyond for another chance.
beyond sb. 对某人来说难以想象,理解
eg: It is beyond me why they haven’t arrived.
How people design computer games is beyond me.2. claim
(1) 声称,宣称
claim to do / claim that …,
e.g. He claimed to have done the work without help .
= he claimed that he had done the work without help .(2) 要求
claim + n / pron / that …/ to do …
e.g.: Does anyone claim the umbrella ?
He claimed to own the land =He claimed that he owned the land.
一个国家的每一个公民都可以要求法律的保护Every citizen in a country may claim the protection of the law.
3. Pump …into …: 把…灌注…
He is pumping air into a tyre(轮胎)
The teacher had to pump facts in the student’s head.4. Speed up: 增加…的速度或者速率
They have speeded up production.
We should speed up the construction of our socialism .
我们应该加速社会主义建设 5. Refer to
(1) 提及, 涉及
(2) 参考,咨询
e.g. When I said some people are stupid, I wasn’t referring to you.
Don’t refer to this matter again, please.
I referred to this dictionary when I wrote the essay.6. increase …by …增加了… / increase …to…增加到…
The temperature of the room is increased by 12oC, that is, the temperature of the room is increased to 29oC.
Cf : reduce …by…/ reduce…to…
rise by / rise to 7. insist : (1) 坚决主张,坚决要求
e.g. He insisted I (should) go with them =He insisted on my going with them 他们要求我当父母外出时不要一个人待在家里.
Eg:They insisted that I (should) not stay at home on my own when my
parents are away .(2)urge emphasis: 强调,坚持,声称
e.g. He insisted that the person was innocent .
The mother insisted that the boy (should )wash his hands before dinner, but the boy insisted that he had washed them .妈妈坚持要这个孩子饭前洗手,但是这个孩子声称他已经洗手了。8. release : v.; n.
(1) 释放
When coal is burning, it will release a lot of carbon dioxide into the atmosphere .
(2) 发布,发行
The news has been released.
The singer has released a few dics .
9. Quantity
量,数量
e.g. I prefer quality to quantity .
He buys things in quantity/ in large quantities. 他总是大宗采购东西10. add up 加起来＝total up
add up to =total up to 加起来为…
He added up the numbers and the numbers added up to 233The Day After TomorrowA film clip :
ProtectionWarm Up1)Let’s enjoy a videoLead-in: how much do you
know about environmental
problems?2) Look at the pictures and use some Key Words in Exe1 to describe themrihnoturtleendangered speciestigerpandafloodingsnatural disastersthe greenhouse effectglobal warmingEX1.: use the Key Words to complete the sentences
1). natural disasters
2). endangered species
3). the greenhouse effect
4). global warming
5). overpopulation
6). poverty
7). floodingNew Words of Exercise2Argentina 阿根廷
penguin 企鹅
Antarctica 南极洲
threat 威胁
biologist 生物学家
Magellanic penguins 麦哲伦海峡企鹅
tanker 油船
urgent 紧急的，迫切的
2. Listen to the news report. Which of the statements are true and which are false? 1) The news reporter is working in Antarctica.
2) The news report is about penguins.
3) Penguins have only one partner for life.FTT4) Fishing boats do not affect the deaths of penguins.
5) Most penguin species outside of Antarctica are safe from environmental changes.
6) Experts call for immediate international conservation effect.FFTglobal warming Global WarmingCan we take the heat?Look at the pictures and tell about what can be the results of the global warming?
Discussion:
What can be the results of the
global warming?
Global warmingfloodsdroughtstyphoonsfamineextinction
of animalsmore diseasesincrease of temperature…9:29Fast-reading (Scanning)1) What is global warming ?
Global warming is an average increase in the Earth’s atmosphere.
2) By how much has the global average temperature increased in the last 100 years ?
By 1oF (One degree Fahrenheit)
Listen to the tape of the text and match the headings with the paragraphs.(a)Indtroduction of the problem.
(b).How to deal with the problem.
(c).Global warming is related to greenhouse gases.
(d)Results of global warming.
(e)The link between human activities and global warming.Para 1.
Para 2.
Para 3.
Para 4.
Para 5.Detailed-reading:
Fill in the blanks about the text.Para.1:
Environmentalists think it is _______ ______ that cause global warming, especially gases from ________ and vehicles which __________ global warming.factorieshumanbeingsspeed upPara2: The Earth’s temperature is controlled by __________ _____like carbon dioxide which _____ heat from the sun in the Earth’s atmosphere. But if the ___________ ____________ of these gases increase, more heat is trapped and the Earth’s temperature _______.greenhouse gases trap atmosphericconcentrationsrisesPara.3: Over the last 100years , the global average temperature has increased ________. Because of increased ________, ___________, _____________, ____________ and the burning of fules, carbon dioxide has risen ________ in the last 250 years. by 1°Findustryagriculture transportation deforestationby 30%Para.4:
What are the results of global warming according to the text?
It can cause dramatic changes, such as…
It will negatively affect …
It will also cause …
Para.5:
What can we do as to stop the global warming?
The governments …
As individuals we should do some changes like…
Taking public transport like buses
can reduce greenhouse gas emissions And Taking train can also help a reduction of greenhouse gas. The recycling symbol Buying recycled productsrecycled productsUsing low-flow shower headsBuying energy-efficient
light bulbsreplacewithConclusion:
We have only one earth.
Let’s protect
it together!Language
pointsbeyond: 在远处,在另一边,在…之外
e.g. : The bicycle is beyond repair.
We must look beyond for another chance.
beyond sb. 对某人来说难以想象,理解
eg: It is beyond me why they haven’t arrived.
How people design computer games is beyond me.2. claim
(1) 声称,宣称
claim to do / claim that …,
e.g. He claimed to have done the work without help .
= he claimed that he had done the work without help .(2) 要求
claim + n / pron / that …/ to do …
e.g.: Does anyone claim the umbrella ?
He claimed to own the land =He claimed that he owned the land.
一个国家的每一个公民都可以要求法律的保护Every citizen in a country may claim the protection of the law.
3. Pump …into …: 把…灌注…
He is pumping air into a tyre(轮胎)
The teacher had to pump facts in the student’s head.4. Speed up: 增加…的速度或者速率
They have speeded up production.
We should speed up the construction of our socialism .
我们应该加速社会主义建设 5. Refer to
(1) 提及, 涉及
(2) 参考,咨询
e.g. When I said some people are stupid, I wasn’t referring to you.
Don’t refer to this matter again, please.
I referred to this dictionary when I wrote the essay.6. increase …by …增加了… / increase …to…增加到…
The temperature of the room is increased by 12oC, that is, the temperature of the room is increased to 29oC.
Cf : reduce …by…/ reduce…to…
rise by / rise to 7. insist : (1) 坚决主张,坚决要求
e.g. He insisted I (should) go with them =He insisted on my going with them 他们要求我当父母外出时不要一个人待在家里.
Eg:They insisted that I (should) not stay at home on my own when my
parents are away .(2)urge emphasis: 强调,坚持,声称
e.g. He insisted that the person was innocent .
The mother insisted that the boy (should )wash his hands before dinner, but the boy insisted that he had washed them .妈妈坚持要这个孩子饭前洗手,但是这个孩子声称他已经洗手了。8. release : v.; n.
(1) 释放
When coal is burning, it will release a lot of carbon dioxide into the atmosphere .
(2) 发布,发行
The news has been released.
The singer has released a few dics .
9. Quantity
量,数量
e.g. I prefer quality to quantity .
He buys things in quantity/ in large quantities. 他总是大宗采购东西10. add up 加起来＝total up
add up to =total up to 加起来为…
He added up the numbers and the numbers added up to 233The Day After TomorrowA film clip :