(课件网) UNIT 3 Environmental Protection Reading and thinking Step 1: Revision 了解 连同...一起 为了 对...有影响 参考；涉及；指的是 导致 采取行动 付出更高的代价 考虑做某事 对...负责 know about along with in order to have an impact on refer to result in/ lead to take actions pay a higher price consider doing sth. be responsible for Step 2: Learning objectives 1. To know about the climate change and summarize the main idea of each paragraph; 2. To learn about the “greenhouse effect” and create a diagram describing how it works; 3. To analyse the consequences of climate change and enhance the awareness of environmental protection; 4. To voice their personal opinions about how to deal with climate change. Step 3:Lead-in 1. What can you see in the picture 2.What is the cause of this phenomenon A large piece of ice breaking off a large glacier or ice sheet. Global warming Other consequences of the global warming HELP! Brainstorming the rise of sea level dying animals coastal cities submerged natural disasters extreme weather economic losses Step 4: Prediction CLIMATE CHANGE REQUIRES THE WORLD’S ATTENTION evidence evidence/ consequence 1. What is the type of this passage A. Argumentative writing B. Narrative writing C. Expository writing 2. In which part of a newspaper or magazine may we find this passage A. Entertainment B. Economy C. Education D. Environment Step 5:While-reading Read for main ideas of each paragraphs. A. the reasons causing the increase in temperature B. Introduce the present situation about climate change. C. A real case showed the great impact the increase in temperature had on Earth’s ecology D. What should we human do about global warming. E. The serious consequences of global warming Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 Paragraph 5 Read for structure. Part 1: (para._____) Part 2: (para._____) Part 3: (para._____) Part 4: (para._____) The evidence(证据) of dramatic climate change that had an impact on Earth’s ecology The causes(原因) of the increase in the global average surface temperature The consequences(结果) of the rise in temperature The solutions(解决方法) to reducing greenhouse gas emissions 1-2 3 4 5 Evidence Cause Consequences Solutions Read for structure. Read for details. Evidence (para.1-2) The earth is getting _____. warmer and warmer climate change Evidence 1: Evidence 2: Evidence 3: Evidence 4: a warming ocean and atmosphere melting ice rising sea levels a dead polar bear Causes (para.3) natural man-made Definition Heat from the sun enters the _____ and warms Earth’s _____ as _____-wave radiation. Function Keeping Earth’s warm and_____ Definition People produce huge amounts of_____ greenhouse gases by burning_____. A big problem More _____ energy is trapped in the atmosphere and causes Earth’s surface temperature to _____ quickly. habitable extra fossil fuels atmosphere surface short heat rise Greenhouse Effect Read for details. A diagram de ... ...
