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教学目标 :(一 )知识目标 :1 了解温室气体的种类 ,导致全球气温上升的原因及危害 ;2 了解大气臭氧总量减少的原因、产生的危害和保护臭氧层的措施 ;3 理解酸雨的形成原因 ,了解我国主要的酸雨分布区以及防治酸雨的主要措施。(二 )能力培养 :联系实际 ,调查当地大气污染情况 ,
Teaching Objectives: (1) Knowledge Objectives: 1 Understand the types and causes of global warming caused by the types of greenhouse gases; 2 Understand the causes of the reduction in total atmospheric ozone, the hazards caused, and measures to protect the ozone layer; 3 Understand the causes of acid rain formation To understand the main acid rain distribution areas in China and the main measures for preventing and controlling acid rain. (b) Capability training: contact with the actual situation to investigate the local air pollution,