内容正文:
【单元话题导入】
1.continents; global 2.damaged; habitats; disappeared; species 3.greenhouse; recycle
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本单元以环境与环境保护为话题。环境是人类生存和活动的场所,包括大气、水、海洋、土地、矿藏、森林、草原、自然遗迹、人文遗迹、自然保护区、风景名胜区、城市和乡村等。大自然为人类提供了生存的资源环境。如果资源环境遭受破坏,那么人类生存发展的空间就会被破坏,所以保护环境就是保护人类自己。
看图感悟语境,选词填空。
global, continent, species, damage, habitat, disappear, recycle, greenhouse
1.There are seven on the Earth.Human beings and these colourful animals and plants live together, and they are interdependent and jointly maintain the balance of nature.
2.Many human activities have severely the animal , making some rare of them have .If no measures are taken, a large number of will face the risk of extinction.
3.In order to reduce the effect, we should waste, walk or bike to work as much as possible.Protecting the ecological environment is everyone’s responsibility.
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