(课件网) Environmental Protection Unit 3 By the end of this period, you will be able to: learn more about climate change and draw a diagram describing how “greenhouse effect” works; learn to identify the style of the text and infer the writer’s purpose; voice their personal opinions about how to deal with climate change. Earth provides enough to satisfy every man’s needs, but not every man’s greed. — Mohandas K. Gandhi What is the difference between “needs” and “greed” How do you understand the quote How is it related to the theme of the unit What is the graph about What information can you get from it What`s the author`s purpose of using the graph and the photo Pre-reading Look at the graph. What is it about What information can you get from it What can you see in the photo What might be the story behind it The temperature of the global surface rose about 1.2 ℃ from 1920 to 2016. The earth is becoming warmer and warmer. What effects may be caused by the global warming skin and bones 瘦得皮包骨 The polar bear (北极熊) may died for lacking food. 1. What's the type of this text A. Essay 论文 B. Biography 传记 C. Exposition. 说明文 D. Argumentation. 议论文 2. What's its purpose To inform readers to deal with climate change To persuade readers to focus on limited resources\ 3. In which part of a newspaper or magazine may we find this passage A. Entertainment B. Economy C. Education D. Environment Skimming Para1. The influences of the rise in temperature. Para2. The solutions to reducing greenhouse gas emissions. Para3. An exact example of climate change. Para4. A problem of climate change. Para5. The causes of the increase in the global temperature. Reading for main idea. problem example causes influences solutions Read the text and find out the development of the passage. problem example causes influences solutions Reading for the details. The _____ is getting warmer and warmer. earth Evidence l: _____ Evidence 2: _____ Evidence 3: _____ Problem Climate change a warming ocean and atmosphere melting ice rising sea levels Reading for the details para. 1 Climate change low sea-ice levels bears could not hunt had to travel greater distances to find food starved to death its dead body found A polar bear’s dead body was found Starved to death Low sea-ice levels Climate change The bear could not hunt seals Had to travel greater distance to find food Para2.Put the following sentences into the right order. 一头成年北极熊，每天都要消耗16000卡的热量，这几乎是一个人一周所需的热量，所以，对它们来说，吃饭和储存脂肪是活下去的关键 环斑海豹是北极熊的主要猎杀对象。为了吃到海豹活下去，北极熊进化出了世界上最灵敏的嗅觉：它能够闻到32公里外冰面上的、或是1公里外冰层下的海豹气味 除此之外，北极熊还身怀听力绝技，不同于人类只能判断声音的方向，它能够将声源位置精确到1度角之内 北极熊，需要利用海冰捕杀环斑海豹，因为它在海里根本追不上这些家伙 环斑海豹，是哺乳动物，必须要返回水面才能呼吸，所以它会在冰封的海面上挖出 ... ...
