人教版选修6unit4readingppt课件
合集下载
选修六 6《Unit 4 Writing》 公开课精品课件 公开课精品课件
The environment faces air pollution, global warming, acid rain, and several other very serious problems because of our use of fossil fuels. Over the last 150 years, burning of fossil fuels has resulted in more than 25 percent increase in carbon dioxide in our atmosphere.
● Now choose a topic from the
below list that you feel strongly about. Make notes on your topic using headings similar to those in the table above. Use Tom's essay as a model to write your own.
• Plastic bags litter is a danger to the environment: Waste of nonrenewable resources; Last from 20 to 1,000 years in the environment; Kill up to one million seabirds, 100,000 sea mammals and countless fish everyt
recycled, these
resources are lost to
us.
2.In China, 2 billion
plastic bags are used
选修6unit4公开课
How does a greenhouse work? _____ the heat from the sun traps keeps it from _________ escaping ____ heatsthe air up
New Words
• • • • Random 胡乱的 Subscribe 同意 Data 数据 趋势 Trend Phenomenon 现象 燃料 Fuel Catastrophe 大灾难 opposed
Where does this article most probably come from?
A.Newspaper B. Novel C. Magazine
Skim the first paragraph:
Who wrote the article? Sophie Armstrong What is the name of the magazine?
III
Para. 4-6
Match the main idea of each part:
II (2-3) I (1) IV (7)
• Explain how global warming comes about. • Introduce the problem of global warming. • Give a warning and raise a question for the readers to think over. • Two different attitudes among scientists towards the consequences of global warming.
Earth Care
What are the names of the three scientists mentioned in the article?
Unit 4 Warming up and Reading 课件-高中英语人教新课标选修六
• 大气层
8. fossil fuel
• 化石燃料
9. carbon dioxide
• 二氧化碳
10. renewable source
• 可再生资源
11. non-renewable source
• 不可再生资源
12. Natural resources
• 天然资源
• Now that we have learned some sources of energy are non-renewable, What should we do with energy ?
Carbon dioxide has caused the global temperature to __g_o__u_p____. An increase of five degrees would be a _c_a_ta_s_t_r_o_p_h_e_ and could be _v_e_r_y__s_e_ri_o_u_s__.
giving examples, using graphs, explanation
Part3 (6)
List two different attitudes among scientists towards global warming.
giving examples, making contrast
makes the greenhouse
_h_e_a_t_u_p___and so the
plants can grow throughout the cold period.
What function do greenhouse gases play?
Greenhouse gases perform the same function
新人教选修六-Unit-4-Global-warming[单元课件
tend (to) 照顾
2)tendency n.倾向 a tendency to/towards sth…的倾向，趋势 have a tendency to do sth. 倾向于做某事， 往往会做某事
Eg. My grandmother tends to go to bed early every day.
5. Without the ‘green house effect’, the earth would be about thirty-three degrees Celsius cooler than it is. 如果没有温室效应, 地球会比现在冷33℃。 这是一个含蓄虚拟条件句。 有时假设的情况并不以条件从句形式表示 出来, 而是通过一个介词短语或其他方式 表示。常用的词或短语有: without, but for,
e.g. What are you going to do with the amount of money?
7. It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
Compared with your brother, you
should make greater efforts to study English.和你哥哥相比，你应该更加努 力学习英语。
3. So how has this come about and does it matter?
come about: 发生, 造成, 相当于happen 你能告诉我事情是怎么发生的吗？
①用于否定句或疑问句, 后接that引导的宾语 从句。 ②用于肯定句, 一般接whether 或if引导的宾语 从句。 如: I don't doubt _t_h_a_t__ he is telling the truth. 我毫不怀疑他在讲真话。
2)tendency n.倾向 a tendency to/towards sth…的倾向，趋势 have a tendency to do sth. 倾向于做某事， 往往会做某事
Eg. My grandmother tends to go to bed early every day.
5. Without the ‘green house effect’, the earth would be about thirty-three degrees Celsius cooler than it is. 如果没有温室效应, 地球会比现在冷33℃。 这是一个含蓄虚拟条件句。 有时假设的情况并不以条件从句形式表示 出来, 而是通过一个介词短语或其他方式 表示。常用的词或短语有: without, but for,
e.g. What are you going to do with the amount of money?
7. It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
Compared with your brother, you
should make greater efforts to study English.和你哥哥相比，你应该更加努 力学习英语。
3. So how has this come about and does it matter?
come about: 发生, 造成, 相当于happen 你能告诉我事情是怎么发生的吗？
①用于否定句或疑问句, 后接that引导的宾语 从句。 ②用于肯定句, 一般接whether 或if引导的宾语 从句。 如: I don't doubt _t_h_a_t__ he is telling the truth. 我毫不怀疑他在讲真话。
高中英语配套课件：选修6 Unit 4 Period 1(人教版)
responsible for the dirty air in the around
cities. The fumes from iron, steel, chemical, and petroleum production add particles to the air.
话题美文欣赏
课前自主学习
话题美文欣赏 课前自主学习 课堂互动探究
( ( (
) ) )
3．The fumes from coal and oil may cause metal to turn
4.In larger cities, the fumes from coal and oil may
Ⅱ.佳句仿写 1．诚实加苦干有助于成功和幸福。 Honesty and hard work contribute ________ ________ ________ to success ________ and ___________. happiness
Warming Up, Pre-reading & Reading
Ⅰ.单词识记
1． ________v. to pay money, usually once a year, to have subscribe copies of a newspaper or magazine sent to you, or to have some other service 2．________ consume v．to use sth up，especially fuel，energy or
Unit 4
Global Warming
People and the sources of air pollution are found in the same places. This means that cities
(人教课标版)高二选修6 Unit 4：grammar
when if _______,________引导的话，常常用it做形式宾 引导的话，常常用 做形式宾 引导的话
语，然后再接真正的宾语从句。此类动词有 然后再接真正的宾语从句。 ______________________________________ enjoy,appreciate,hate,like,depend on,
that/who • It was the headmaster _________ stood outside. We were confused. He said to it me. “I find _____ unbelievable that you are late for class again”. It took me a few seconds ________________ to understand (understand) what he said. It was no arguing use ___________ (argue) with him. I smiled, “Sorry, headmaster, you made a mistake, again.” He went away disappointedly. Our class burst into it laughter. Actually I hate _____ when someone interrupts my cl中的宾语是_________（例 当复合宾语中的宾语是 不定式 （ 1）,__________（例2）,____________（例3, 4） ） 动名词 （ ） 从句 （ ） 往往把宾语放在它的补足语后面， 时，往往把宾语放在它的补足语后面，而用 _______作形式宾语，放在宾语补足语之前。该 作形式宾语， 作形式宾语 放在宾语补足语之前。 it 句型中的it 作形式宾语，常用的动词有think, 句型中的 作形式宾语，常用的动词有 find... make, consider, feel____________等。 等 • 有些及物动词，后面如果跟的从句是由 有些及物动词，
新课标人教版选修六Book6 Unit4 Using language
What has caused the global warming?
①Human activity--- burning of fossil fuels. ② Greenhouse effect--- greenhouse gases--we need those gases.
③ Huge quantities of extra carbon dioxide---from
1.Does Earth Care agree with Ouyang Guang’s opinion that individuals can have no effect?
No, Earth Care agrees that together, individuals can make a difference.
1957 to 1997---from around 315 parts per million to around 370 parts per million.
The effects of global warming
• Negative effects:
• 1 cause the sea level to rise; • 2 severe storms; • 3 droughts; • 4 famine; • 5 destruction of species • 6 flood
recycled ◆ Buy things made from __________ materials __________. ◆ Buy products that are made to save energy ________. Plant trees in your garden or your ◆ __________ school yard. ◆ Talk with your family and friends global warming about _______________.
高中英语选修六--Unit 4
单词1．consume v．消费，消耗；吃完；喝光Each year Americans consume a high percentage of the world's energy.每年美国人都消耗掉世界能源的很大比例。
This will consume his health, destroy his temper.这将损害他的健康，毁坏他的情绪。
How many rice did you consume last year?去年你们吃了多少大米？拓展：consumer n．消费者，用户，消费品consumer goods (家用)消费品consumers' association 消费者协会consumption n. 消费(量)，消耗(量)timeconsuming adj. 耗费时间的consuming adj. 消费的；强烈的例句：The ancient consumer city was now turned into a modern industrial base. 这个古老的消费城市今天已经变成了一个现代化的工业基地。
It's vital to impress the consumer with a good advertising campaign.进行广告宣传，使消费者熟悉产品，是至关重要的。
He has to cut down on the consumption of meat.他不得不减少吃肉。
Basketball is his consuming passion.篮球令他着迷。
练习：用consume的适当形式填空①We should adopt the ____________ suggestion.②Industrialized countries are _____________ 70% of the world's energy.③We have measured the car's fuel _____________.④She _____________ the big cake.Consumers’consuming consumption consumed2．subscribe vt.&vi.(1)捐助；捐赠He subscribed a large sum of money to charities.他向慈善团体捐赠了一大笔钱。