高二英语选修6 Unit 4 Global warming Reading 课件
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| 名称 | 高二英语选修6 Unit 4 Global warming Reading 课件 |  | |
| 格式 | zip | ||
| 文件大小 | 468.0KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2013-12-09 22:15:39 | ||
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课件18张PPT。人教课标版
高二选修6
Unit 4英 语 课 件Reading What is the greenhouse made and used for? A greenhouse is made of glass and is used for growing plants, especially during cold weather.How does it work?
The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the
plants can grow
throughout the
cold period.What are the “greenhouse gases”?
In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane (甲烷, 沼气) and water vapor.What do you think greenhouse
gases do?
They trap heat from the sun and therefore warm the earth.(Paragraph 1)Introduce a debate over the issue of global warming. Raising a questionSkimming (Paragraphs 2---3) Illustrate how global warming comes about.Giving examples, using graphs, explanation. (Paragraphs 4---5) List two different attitudes among scientists towards global warming.Giving examples, making contrast. (Paragraph 6) It’s up to readers to think and decide whether people should do something about global warming or not.Using a question, leaving readers to think over the issue. Read the text carefully and fill in the blanks.gasesquantities ofglobal temperaturecatastrophehigh levels consequencesStatespositiveChoose the best answers according to the text.
1. Which of the following is TRUE according to the text?
A. The temperature of the earth increased about one degree Fahrenheit during the 20th century.
B. The carbon dioxide content in the air increased by 70 parts per million from 1957 to 1997.
C. All scientists accept the data in graph 2 except Charles Keeling.
D. Janice Foster says that more carbon dioxide will make plants grow faster.A2. Which of the following is Dr Janice Foster’s opinion?
A. The result of the temperature increase will be serious.
B. The amount of warming is nothing serious.
C. We needn’t worry about high levels of carbon dioxide.
D. Global warming is a natural phenomenon.A
高二选修6
Unit 4英 语 课 件Reading What is the greenhouse made and used for? A greenhouse is made of glass and is used for growing plants, especially during cold weather.How does it work?
The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the
plants can grow
throughout the
cold period.What are the “greenhouse gases”?
In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane (甲烷, 沼气) and water vapor.What do you think greenhouse
gases do?
They trap heat from the sun and therefore warm the earth.(Paragraph 1)Introduce a debate over the issue of global warming. Raising a questionSkimming (Paragraphs 2---3) Illustrate how global warming comes about.Giving examples, using graphs, explanation. (Paragraphs 4---5) List two different attitudes among scientists towards global warming.Giving examples, making contrast. (Paragraph 6) It’s up to readers to think and decide whether people should do something about global warming or not.Using a question, leaving readers to think over the issue. Read the text carefully and fill in the blanks.gasesquantities ofglobal temperaturecatastrophehigh levels consequencesStatespositiveChoose the best answers according to the text.
1. Which of the following is TRUE according to the text?
A. The temperature of the earth increased about one degree Fahrenheit during the 20th century.
B. The carbon dioxide content in the air increased by 70 parts per million from 1957 to 1997.
C. All scientists accept the data in graph 2 except Charles Keeling.
D. Janice Foster says that more carbon dioxide will make plants grow faster.A2. Which of the following is Dr Janice Foster’s opinion?
A. The result of the temperature increase will be serious.
B. The amount of warming is nothing serious.
C. We needn’t worry about high levels of carbon dioxide.
D. Global warming is a natural phenomenon.A