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人教版（2019）英语选择性必修三《Unit 3 Environmental Protection》Reading and thinking优质课ppt课件
Unit 3 ENVIRONMENTAL PROTECTION
By reading, explain causes and negative effects of global warming.
By teamwork, present how to solve the problem of global warming in groups.
Be aware of the importance of cutting greenhouse gases and take effective action to do it.
Learning objectives:
By the end of the class, you will be able to
Learning Objectives:
What do you know about global warming?
The effects are destructive as follows:
The sea level to rise.
Severe storms, droughts, famines, the spread of diseases, and destruction of species.
Wide animals died because of starvation.
Forest fire occurs frequently because of the extreme hot weather.
What is the graph about? What information can you get from it?
The graph is about the change of global
Surface temperature.
It shows us that the global temperature
is rising steadily and continuously.
2. What happened in the picture? Do you know what caused it?
A polar bear was dead and it is “skin and bones.”