新世纪大学英语第四册综合第一单元教师课件.ppt

Unit 1 Man and Nature
Get Started
Work in pairs and discuss the following questions:
We human beings live on the earth and always keep developing our civilization.
Do you think man lives in harmony with nature now?
Do you think that man has been destroying nature? Could you give some examples?
What do you think we should do to preserve nature?
Man
&
Nature
Deforestation
( )
Wildlife Extinction
( )
Global Warming
( )
Ozone Depletion
( )
Extreme Weather
( )
Pollution
( )
Relative vocabulary
afforestation
alternative forms of energy-solar energy
conserve--contaminate
drinking water
dry up
endangered species
environmental degradation-environmental protection
environmentally friendly
extinct
global warming
greenhouse gas- greenhouse effect
carbon dioxide
nonrenewable resources
pollutant
purify
rain forest
recyclable--nonrecyclable
sewage
soil erosion
sustainable development
waste disposal
Listen & Respond
You will listen to a short passage entitled “The Importance of Protecting Sea Resources”. The following words may be of some help.
marine fishery
exhaust endanger
excessive starvation
Discuss the following questions and answer them according to the passage.
What did people in Europe and America think about sea resources in the 19th century?
Why are the threats to fish more alarming in some ways than the threats to animals and birds?
What do scientists say about marine resources today? What warnings do they give according to the passage?
Listen & Respond
Listen to the passage again and fill in each of the blanks according to what you have heard.
Listen & Respond
endangered
threats
resource
diet
satisfy
harvested
declining
supplies
excessive
starvation
About the Author
Alexander Spirkin:
One of the authors of the
A corresponding member of the USSR Academy of Sciences.
A prominent scientist, a well-known Soviet philosopher and psychologist.
Director of the Department of General Problems of Dialectical Materialism at th