Para 1
The main idea of the first paragraph is ________________________________________________________________.
1) What consensus have scientists reached in the last few decades?
2）What could be one of the biggest environmental problems facing the 21st century?
3） What speeds up the process of global warming ?
语言点：
1.) reach consensus 翻译：_______________ 2）pump into 翻译：_______________
3） previously 翻译：_________________
4） beyond one’s control 翻译：___________________ beyond 的用途广泛
(1)用来表示_________________, 意为“在。。。。。。的那一边， 在。。。之外，在更远处”
Beyond the river stood a power station. 翻译：_______________________________________________________
(2）用来表示_________________， 意为“迟于，超过”
Some shops keep open beyond midnight.。翻译： ________________________________________________________.
(3) 表示范围，水平，限度，能力等，意思是“超出， 多于，为。。所不能及
These matters beyond his understanding. 翻译：_________________________________________________________.
(4) 用在否定句和疑问句中，意思是“___________”
I know nothing beyond what he told me. 翻译：__________________________________________________________.
(5）有时还可表示年龄或数量，表示____________
He didn’t believe in people living beyond 100. 翻译：_____________________________________________________.
2.) Look ahead , ______________________
Looking ahead to the children’s growth, we should have them well educated.
翻译:__________________________________________________________________________________________
3.) Be relevant to _____________________
Their investigation is not relevant to the whole thing . 翻译：_______________________________________________.
我们学校图书馆有关于物理的书吗？ 翻译：______________________________________________________
7) speed up ________________ 加速
重点句子
1.They claim that in the last 50 years, gases pumped into the Earth’s atmosphere by the factories and vehicles have been speeding up the process of global warming and affecting our climate.
分析句子成分并翻译句子:
Claim, 1）声称，断言，宣称 2) 据说。。。。。It is claimed
He doesn’t claim to be expert. 翻译：__________________________________________________
他声言自己有权继承父亲的财产。___________________________________________________________________.
Para 2
The main idea of the second paragraph is _____________________________________________.
1) What is global warming ?
_________________________________________________________________________________________________
2) What is the temperature of the Earth controlled ?
________________________________________________________________________________________________.
3) What is carbon dioxide used for ?
________________________________________________________________________________________________.
4) What happened when the presence of these gases increase?
语言点：
1). Refer to _____________
Refer to a dictionary when you have difficulty in learning the new words. 翻译：_______________________________.
Don’t refer to the this matter again, please. 翻译：______________________________________________.
2) In turn ____________
The children called out their names in turn. 翻译：_________________________________________.
3). Lead to ______________
4) trap …from _______________ “困住”trap 动词“困住”trap常用于trap sb (into) doing sth
I was trapped into telling the enemy all I knew. 翻译：_____________________________________________
还可以作名词，“陷阱，捕捉器，诡计”
5) naturally occurring gases _________________________ 6) bounce back __________________________
7) live on ____________________________
重点句子
Looking ahead, scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.
Looking ahead, facing the 21st century.分别做什么成分？相当于什么从句？_________________________________________________________________________________________________
_________________________________________________________________________________________________
翻译：___________________________________________________________________________________
Para 3
The main idea of the third paragraph is _____________________________________________.
1) How many degrees has the temperature increased over the last 100 years?
2) Who will blame for the global warming ?
3) What activities did people do to increase warming ?
语言点：
1) over the last 100 years.__________________
2) pin sth on sb __________________
(1)LiLei is innocent. They just tried to pin the blame on him. 翻译__________________________________________.
(2)那个女人坚持自己与此案无关，她把罪责推到死去的女孩身上。
翻译：__________________________________________________________________________________.
3) as a result of _________________
4) cut down ________________
5) increase by 1 degree F _________________
by 表示增，减或多，少的数值。 “增加了，减少了”，表示变化的幅度。
To 表示增，减多，少的数值，“增加到，减少到”
用by 或 to 填空：
每桶油价又下跌了30%。 The price of oil fell ________________30% a barrel.
油价跌到10美元每桶。 The price of oil fell _______________ 10 dollars a barrel.
重点句子:
1.Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.
翻译句子：______________________________________________________________________________________
做介词用， 后接名词， “考虑到，鉴于=when you consider sth)
1)Given his age, (=considering how old he is ) he is very smart.翻译：________________________________________.
2) 考虑到他有事干，我们让他走了。_______________________________________________________________
Given+ that 是复合连词，跟从句，一样表示“考虑到，鉴于=when you consider sth)
3）Given that she likes English very much and works very hard, she is sure to get No. 1
翻译句子：______________________________________________________________________________________
Para 4
The main idea of the fourth paragraph is _____________________________________________.
1) What will happen if we continue to produce Carbon dioxide and other gases in such huge quantities ?
2) What will global warming cause?
语言点:
1) sound like ______________________
2) in such huge quantities _____________________
3) condemn life ________________________
4) spread disease ___________________
5) rely on ______________ = _____________ 依赖于, depend on
6) stop … from =______________/___________/______________ 阻挡某人做某事
重点句子
Increased temperatures will also cause the polar ice to melt, raising sea levels and flooding many islands and cities.
翻译句子：______________________________________________________________________________________
Para 5 （1）
The main idea of the fifth paragraph is _____________________________________________.
1) Who has the responsibility to reduce the amount of carbon dioxide?
2) What did the USA government do ? Why ?
1) have a responsibility to do sth _____________________
2) slow down _______________________
3) reduce the amount ___________________
4) express reservations ___________________
5) be prepared to do sth ____________________
Para 5 （2）
3) What do the experts advocate ?
_________________________________________________________________________________________________ 4) What can each person do ?
_________________________________________________________________________________________________
_________________________________________________________________________________________________
5)what is the meaning of the title “Can we take the heat ?”
_________________________________________________________________________________________________
语言点:
1) Take action ________________ 2） advocate _____________
2) play their part ____________________
Every Chinese should play his part in the Olympic Games in 2008.
翻译句子：______________________________________________________________________________________
3) suggest making __________________
4) switch off lights ______________
5) save our future _________________
6) there is no substitute for earth _____________________
小组作业：
1) Use your own words to summary the text:
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
2. what can we do to reduce global warming?
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
________________________________________________________________________________________________
_________________________________________________________________________________________________
Unit22 Lesson 1作业单答案
Para 1 ：The main idea of the first paragraph is that Global warming is one of the biggest environmental problems facing the 21st century.
2) What consensus have scientists reached in the last few decades?
scientists have reached consensus and reported that human beings are causing changes in the last few decades.
2）What could be one of the biggest environmental problems facing the 21st century?
Global warming could be one of the biggest environmental problems facing the 21st century.
4） What speeds up the process of global warming ?
Gases pumped into the Earth’s atmosphere by the factories and vehicles have been speeding up the process of global
warming.
语言点：
4.) reach consensus _______________ 一致认为
5.) pumped into _________________ 排放进去
6.) previously _________________ 以前看来
7.) beyond one’s control ____________ 不能控制 beyond 的用途广泛
（1)用来表示_________________, （ 位置），意为“在。。。。。。的那一边， 在。。。之外，在更远处”
Beyond the river stood a power station. 翻译：有一个火力站在河那边。
（2）用来表示_________________，(时间) 意为“迟于，超过”
Some shops keep open beyond midnight.。 翻译：有些商店在半夜后还开着。 .
（3) 表示范围，水平，限度，能力等，意思是“超出， 多于，为。。所不能及
These matters beyond his understanding. 翻译：他不能理解这些事情。
（4) 用在否定句和疑问句中，意思是“___________” （除。。。之外）
I know nothing beyond what he told me. 翻译：除了他告诉我的之外，我对此一无所知。
（5）有时还可表示年龄或数量，表示____________ (超过)
He didn’t believe in people living beyond 100. 翻译：他不相信人可以活过100岁。
8.) Look ahead , ______________________ 展望未来
Looking ahead to the children’s growth, we should have them well educated.
翻译: 为了孩子们将来的成长，我们应该让他们好好教育他们。
6） Be relevant to _____________________ 跟。。。有关系，有联系
Their investigation is not relevant to the whole thing . 翻译：他们的调查与整件事没联系。
我们学校图书馆有关于物理的书吗？ 翻译：Are there any books relevant to physics in our school’s library?
7) speed up ________________ 加速
重点句子
1.They claim that in the last 50 years, gases pumped into the Earth’s atmosphere by the factories and vehicles have been speeding up the process of global warming and affecting our climate.
分析句子成分并翻译句子:
这是一个复合句，They claim…..是主句， that引导一个宾语从句。宾语从句的主干结构为： the gases pumped into the Earth’s atmosphere by our factories and vehicles have been speeding up the process of global warming and affecting our climate。 Pumped into…vehicles(=which have been pumped…)是过去分词短语作定语修饰gases, have been speeding up….和affecting （省略了have been ）。。。是并列谓语。 宾语从句中用现在完成进行时表示“排放气体这一动作从过去某时就已经开始，发生至今且仍继续加速全球变暖进程和影响我们的气候”。
翻译： 他们声称，在过去的50年间，从工厂和汽车排放到大气层中的气体加速了全球变暖的进程，影响了我们的气候。
Claim, 1）声称，断言，宣称 2) 据说。。。。。It is claimed
He doesn’t claim to be expert. 翻译：他不敢自称为专家。
他声言自己有权继承父亲的财产。翻译：He laid claim to his father’s possessions.
Para 2 The main idea of the second paragraph is what global warming is.
5) What is global warming ?
Global warming refers to an average increase in the Earth’s temperature that, in turn, leads to climate change.
6) What is the temperature of the Earth controlled ?
The temperature of the Earth is controlled by greenhouse gases such as carbon dioxide which trap heat from the sun in the Earth’s atmosphere.
7) What is carbon dioxide used for ?
which trap heat from the sun in the Earth’s atmosphere.
8) What happened when the presence of these gases increase?
More heat is trapped and Earth’s temperature rises
语言点：
1). Refer to _____________ 提到， 谈及，说起， 查阅，
Refer to a dictionary when you have difficulty in learning the new words. 翻译：_______________________________.
Don’t refer to the this matter again, please. 翻译：______________________________________________.
2) In turn ____________ 轮流地; 挨个, 依次; 反过来
The children called out their names in turn. 翻译：孩子们逐一自报姓名。
3). Lead to ______________ 导致,造成后果
4) trap …from _______________ 吸收 “困住”trap 动词“困住”trap常用于trap sb (into) doing sth
I was trapped into telling the enemy all I knew. 翻译：_____________________________________________
还可以作名词，“陷阱，捕捉器，诡计”
4) naturally occurring gases _______ 自然产生的气体
5) bounce back _______ 反射回去 6) live on __________ 继续生存
重点句子
Looking ahead, scientists believe that global warming could be one of the biggest environmental problems facing the 21st century. 展望未来，科学家们认为全球变暖可能是21世纪所面临的最严重的环境问题之一。
现在分词短语looking ahead充当状语，相当于时间状语从句when scientists look ahead, 现在分词短语facing the 21st century 充当定语，修饰 problems, 相当于which are facing the 21st century.
Para 3 The main idea of the third paragraph is the cause of global warming.
4) How many degrees has the temperature increased over the last 100 years?
The temperature has increased by 1 degree F over the last 100 years.
5) Who will blame for the global warming ?
Many experts insist that the blame for the global warming can mostly be pinned on human activities.
6) What activities did people do to increase warming ?
Increased industry , agriculture, the cutting down of forests, the increase in transport and the burning of fuels.
语言点：
6) over the last 100 years.__________________ 在过去的一百年中
7) pin sth on sb __________________ 把某事归罪于某人，把责任加在某人身上， 使。。。承担过失
8) (1)LiLei is innocent. They just tried to pin the blame on him. 翻译：李雷是无辜的，他们只是企图让他承当责任。
(2)那个女人坚持自己与此案无关，她把罪责推到死去的女孩身上。
翻译： The woman insisted that he had nothing to do with the crime, she pinned the guilt on the dead girl.
9) as a result of _________________ 作为。。。的结果
10) cut down ________________ 砍倒
11) increase by 1 degree F _________________ 上升了1华氏度
by 表示增，减或多，少的数值。 “增加了，减少了”，表示变化的幅度。
表示增，减多，少的数值，“增加到，减少到”
用by 或 to 填空：
每桶油价又下跌了30%。翻译：The price of oil fell ______ (by) 30% a barrel.
油价跌到10美元每桶。 翻译： The price of oil fell ______(to) 10 dollars a barrel.
重点句子
Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.
翻译句子：根据这一数据推断，人类活动与全球变暖之间的关系不仅仅只是一个巧合。
做介词用， 后接名词， “考虑到，鉴于=when you consider sth)
1)Given his age, (=considering how old he is ) he is very smart. 翻译：考虑到他的年龄，他已经是相当聪明了。
2) 考虑到他有事干，我们让他走了。Given he had something to do , we let him go.
Given+ that 是复合连词，跟从句，一样表示“考虑到，鉴于=when you consider sth)
3）Given that she likes English very much and works very hard, she is sure to get No. 1
翻译句子：考虑到她很喜欢英语和很努力学好英语，她肯定能得第一。
Para 4 The main idea of the fourth paragraph is the consequences of global warming.
3) What will happen if we continue to produce Carbon dioxide and other gases in such huge quantities ?
if we continue to produce Carbon dioxide and other gases in such huge quantities, we are condemning life on Earth and should expect severe consequences .
4) What will global warming cause?
global warming will cause terrible climate changes including more frequent flooding, heat waves and droughts. Serious disease will spread and industries that rely on nature such as fishing will be badly affected.
Increased temperatures will also cause the polar ice to melt, raising sea levels and flooding many islands and cities.
语言点:
7) sound like _______________ 听起来
8) in such huge quantities __________ 如此多的数量
9) condemn life __________________ 毁灭生命
10) spread disease ___________________ 传播疾病
11) rely on ______________ = _____________ 依赖于, depend on
12) stop … from =______________/___________/______________ prevent /keep…from doing 阻挡某人做某事
重点句子
Increased temperatures will also cause the polar ice to melt, raising sea levels and flooding many islands and cities.
翻译句子：______________________________________________________________________________________
温度升高还会引起极地冰山融化，海平面上升，从而淹没许多岛屿和城市。
Para 5 （1）
The main idea of the fifth paragraph is the ways to solve the problems caused by global warming.
4) Who has the responsibility to reduce the amount of carbon dioxide?
Governments all over the world have a responsibility to reduce the amount of carbon dioxide which their countries are producing.
5) What did the USA government do ? Why ?
The USA’s federal government , express reservations about whether global warming is really caused by human activities.
Many people believe that they are simply not prepared to sacrifice the amount of money they make from industry to save the Earth.
6) have a responsibility to do sth _____ 有责任做某事
7) slow down ____ 减低速度
8) reduce the amount __________ 减少分量
9) express reservations _______ 表达保留的观点
10) be prepared to do sth ________ 准备做某事
Para 5 （2）
6) What do the experts advocate ?
The experts advocate that each person play their part.
7) What can each person do ?
We can make small changes like taking public transport, recycling, using low-flow shower heads, buying light bulbs that use less energy, using recycled paper and turning off the lights when we leave the room.
语言点:
7) Take action ________________ 采取行动
8) advocate _____________ 主张
9) play their part ____________________ 发挥作用，参与， 尽责任
Every Chinese should play his part in the Olympic Games in 2008.
翻译句子：每一个中国人都应该参与2008年的北京奥运会。
10) suggest making __________________ 建议做某事
11) switch off lights ______________ 关灯
12) save our future _________________ 拯救未来
13) there is no substitute for earth _____________________ 地球没有替代品
控制 beyond 的用途广泛
（1)用来表示_________________, （ 位置），意为“在。。。。。。的那一边， 在。。。之外，在更远处”
Beyond the river stood a power station. 翻译：有一个火力站在河那边。
（2）用来表示_________________，(时间) 意为“迟于，超过”
Some shops keep open beyond midnight.。 翻译：有些商店在半夜后还开着。 .
（3) 表示范围，水平，限度，能力等，意思是“超出， 多于，为。。所不能及
These matters beyond his understanding. 翻译：他不能理解这些事情。
（4) 用在否定句和疑问句中，意思是“___________” （除。。。之外）
I know nothing beyond what he told me. 翻译：除了他告诉我的之外，我对此一无所知。
（5）有时还可表示年龄或数量，表示____________ (超过)
He didn’t believe in people living beyond 100. 翻译：他不相信人可以活过100岁。
5.) Look ahead , ______________________ 展望未来
Looking ahead to the children’s growth, we should have them well educated.
翻译: 为了孩子们将来的成长，我们应该让他们好好教育他们。
6） Be relevant to _____________________ 跟。。。有关系，有联系
Their investigation is not relevant to the whole thing . 翻译：他们的调查与整件事没联系。
我们学校图书馆有关于物理的书吗？ 翻译：Are there any books relevant to physics in our school’s library?
7) speed up ________________ 加速
重点句子
1.They claim that in the last 50 years, gases pumped into the Earth’s atmosphere by the factories and vehicles have been speeding up the process of global warming and affecting our climate.
分析句子成分并翻译句子:
这是一个复合句，They claim…..是主句， that引导一个宾语从句。宾语从句的主干结构为： the gases pumped into the Earth’s atmosphere by our factories and vehicles have been speeding up the process of global warming and affecting our climate。 Pumped into…vehicles(=which have been pumped…)是过去分词短语作定语修饰gases, have been speeding up….和affecting （省略了have been ）。。。是并列谓语。 宾语从句中用现在完成进行时表示“排放气体这一动作从过去某时就已经开始，发生至今且仍继续加速全球变暖进程和影响我们的气候”。
翻译： 他们声称，在过去的50年间，从工厂和汽车排放到大气层中的气体加速了全球变暖的进程，影响了我们的气候。
Claim, 1）声称，断言，宣称 2) 据说。。。。。It is claimed
He doesn’t claim to be expert. 翻译：他不敢自称为专家。
他声言自己有权继承父亲的财产。翻译：He laid claim to his father’s possessions.
Para 2 The main idea of the second paragraph is what global warming is.
1) What is global warming ?
Global warming refers to an average increase in the Earth’s temperature that, in turn, leads to climate change.
2) What is the temperature of the Earth controlled ?
The temperature of the Earth is controlled by greenhouse gases such as carbon dioxide which trap heat from the sun in the Earth’s atmosphere.
3) What is carbon dioxide used for ?
which trap heat from the sun in the Earth’s atmosphere.
4) What happened when the presence of these gases increase?
More heat is trapped and Earth’s temperature rises
语言点：
1). Refer to _____________ 提到， 谈及，说起， 查阅，
Refer to a dictionary when you have difficulty in learning the new words. 翻译：_______________________________.
Don’t refer to the this matter again, please. 翻译：______________________________________________.
2) In turn ____________ 轮流地; 挨个, 依次; 反过来
The children called out their names in turn. 翻译：孩子们逐一自报姓名。
3). Lead to ______________ 导致,造成后果
4) trap …from _______________ 吸收 “困住”trap 动词“困住”trap常用于trap sb (into) doing sth
I was trapped into telling the enemy all I knew. 翻译：_____________________________________________
还可以作名词，“陷阱，捕捉器，诡计”
4) naturally occurring gases _______ 自然产生的气体
5) bounce back _______ 反射回去 6) live on __________ 继续生存
重点句子
Looking ahead, scientists believe that global warming could be one of the biggest environmental problems facing the 21st century. 展望未来，科学家们认为全球变暖可能是21世纪所面临的最严重的环境问题之一。
现在分词短语looking ahead充当状语，相当于时间状语从句when scientists look ahead, 现在分词短语facing the 21st century 充当定语，修饰 problems, 相当于which are facing the 21st century.
Para 3
The main idea of the third paragraph is the cause of global warming.
1) How many degrees has the temperature increased over the last 100 years?
The temperature has increased by 1 degree F over the last 100 years.
2) Who will blame for the global warming ?
Many experts insist that the blame for the global warming can mostly be pinned on human activities.
3) What activities did people do to increase warming ?
Increased industry , agriculture, the cutting down of forests, the increase in transport and the burning of fuels.
语言点：
1) over the last 100 years.__________________ 在过去的一百年中
2) pin sth on sb __________________ 把某事归罪于某人，把责任加在某人身上， 使。。。承担过失
(1)LiLei is innocent. They just tried to pin the blame on him. 翻译：李雷是无辜的，他们只是企图让他承当责任。
(2)那个女人坚持自己与此案无关，她把罪责推到死去的女孩身上。
翻译： The woman insisted that he had nothing to do with the crime, she pinned the guilt on the dead girl.
4) as a result of _________________ 作为。。。的结果
5) cut down ________________ 砍倒
6) increase by 1 degree F _________________ 上升了1华氏度
by 表示增，减或多，少的数值。 “增加了，减少了”，表示变化的幅度。
表示增，减多，少的数值，“增加到，减少到”
用by 或 to 填空：
每桶油价又下跌了30%。翻译：The price of oil fell ______ (by) 30% a barrel.
油价跌到10美元每桶。 翻译： The price of oil fell ______(to) 10 dollars a barrel.
重点句子
Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.
翻译句子：根据这一数据推断，人类活动与全球变暖之间的关系不仅仅只是一个巧合。
做介词用， 后接名词， “考虑到，鉴于=when you consider sth)
1)Given his age, (=considering how old he is ) he is very smart. 翻译：考虑到他的年龄，他已经是相当聪明了。
2) 考虑到他有事干，我们让他走了。Given he had something to do , we let him go.
Given+ that 是复合连词，跟从句，一样表示“考虑到，鉴于=when you consider sth)
3）Given that she likes English very much and works very hard, she is sure to get No. 1
翻译句子：考虑到她很喜欢英语和很努力学好英语，她肯定能得第一。
Para 4
The main idea of the fourth paragraph is the consequences of global warming.
1) What will happen if we continue to produce Carbon dioxide and other gases in such huge quantities ?
if we continue to produce Carbon dioxide and other gases in such huge quantities, we are condemning life on Earth and should expect severe consequences .
2) What will global warming cause?
global warming will cause terrible climate changes including more frequent flooding, heat waves and droughts. Serious disease will spread and industries that rely on nature such as fishing will be badly affected.
Increased temperatures will also cause the polar ice to melt, raising sea levels and flooding many islands and cities.
语言点:
1) sound like _______________ 听起来
2) in such huge quantities __________ 如此多的数量
3) condemn life __________________ 毁灭生命
4) spread disease ___________________ 传播疾病
5) rely on ______________ = _____________ 依赖于, depend on
6) stop … from =______________/___________/______________ prevent /keep…from doing 阻挡某人做某事
重点句子
Increased temperatures will also cause the polar ice to melt, raising sea levels and flooding many islands and cities.
翻译句子：______________________________________________________________________________________
温度升高还会引起极地冰山融化，海平面上升，从而淹没许多岛屿和城市。
Para 5 （1）
The main idea of the fifth paragraph is the ways to solve the problems caused by global warming.
1) Who has the responsibility to reduce the amount of carbon dioxide?
Governments all over the world have a responsibility to reduce the amount of carbon dioxide which their countries are producing.
2) What did the USA government do ? Why ?
The USA’s federal government , express reservations about whether global warming is really caused by human activities.
Many people believe that they are simply not prepared to sacrifice the amount of money they make from industry to save the Earth.
1) have a responsibility to do sth _____ 有责任做某事
2) slow down ____ 减低速度
3) reduce the amount __________ 减少分量
4) express reservations _______ 表达保留的观点
5) be prepared to do sth ________ 准备做某事
Para 5 （2）
3) What do the experts advocate ?
The experts advocate that each person play their part.
4) What can each person do ?
We can make small changes like taking public transport, recycling, using low-flow shower heads, buying light bulbs that use less energy, using recycled paper and turning off the lights when we leave the room.
5)what is the meaning of the title “Can we take the heat ?”
“Take the heat ” means stand/bear/put up with ,忍受热量。
语言点:
1) Take action ________________ 采取行动
2) advocate _____________ 主张
3) play their part ____________________ 发挥作用，参与， 尽责任
Every Chinese should play his part in the Olympic Games in 2008.
翻译句子：每一个中国人都应该参与2008年的北京奥运会。
4) suggest making __________________ 建议做某事
5) switch off lights ______________ 关灯
6) save our future _________________ 拯救未来
7) there is no substitute for earth _____________________ 地球没有替代品