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Unit 6 Nature and Environment

发布时间:2014-05-22 11:58:27  

Unit 6 Nature and Environment

Unit 6 Nature and Environment

Unit 6 Nature and Environment

Lead-in
I. Which of the following statements do you agree with? Tick (√) them.
( ( ( ( ( ) 1. Humans truly are the masters of the universe. ) 2. Global warming has affected China. ) 3. Pet ownership is great fun but a huge responsibility. ) 4. It is easier to develop a relationship with a dog than any other animal. ) 5. Animals should never be used in any kind of scientific research. ) 6. Natural disasters are the biggest reason for the death of animals. ) 7. The value of animals lies in how helpful they are to human beings. ) 8. The humans are overdeveloping the earth and using its resources in an irresponsible way.

(
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Unit 6 Nature and Environment

Lead-in
II. Work in pairs. Find out on which statements you have a different opinion from your partner, and then talk about them. Example A: I think humans truly are the maters of the universe. B: I don’t know about that. We humans may have miracles of technology, but I think in the end the universal laws of nature will master us. Before explaining why we have a different opinion, we often use: I don’t know about that. … I’m not sure about that. … I wouldn’t go that far. … I don’t really see it like that myself. …

Unit 6 Nature and Environment

Text A
Background Information
IFAW 国际爱护动物基金会 创立于1969年,总部设在美国的 马萨诸塞州。创立之初是为了制止 加拿大东海岸对白袍琴海豹的大规 模残酷的商业性猎杀行为。 在逐 渐发展的过程中,IFAW已成为全 球最大的动物福利组织之一。

Unit 6 Nature and Environment

Text A
Translation Do you like watching history programmes on TV? Why? Or why not?

TEXT A

Unit 6 Nature and Environment

Text A
Translation

Loss of Species
1

Experts believe that the increasing loss of species is not caused by natural processes, but results from the destructive effect of human activities. Many of their activities are causing changes in climate patterns on a global scale. Species are already dying out every week because of the destruction of the natural home and because the hunting and trading of rare species continues.

Unit 6 Nature and Environment

Text A
Translation

Scientists have warned that up to 50% of all animal species could be destroyed by global warming if action is not taken soon. Global warming is a phenomenon associated with the enhanced greenhouse effect. Gases such as carbon dioxide in the atmosphere absorb and maintain heat. This natural greenhouse effect keeps Earth warm. Global warming eventually alters the natural homes of plants and animals, or even causes a large amount of their natural homes to disappear.

2

Unit 6 Nature and Environment

Text A
Translation

Some scientists consider it as a huge reason for many species’ ultimate extinction. Over the past 500 years, 820 species have become extinct, while more than 16,000 plant and animal speci

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