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课件网) Unit 5 A delicate world Learning Objectives By the end of the class, you will be able to: find out what happened to Macquarie Island; use mind maps and tables to present humans’ actions, purposes and the results; talk about how similar situations can be avoided in the future. What animals are they royal penguins 皇家企鹅 king penguins 帝企鹅 elephant seals 海象 sea mew 海鸥 They have been living on Macquarie Island for thousands of years. native inhabitants Activity 1 Lead-in rabbit mouse/rat cat What will happen if these non-native inhabitants are put to Macquarie Island The island may be . non-native inhabitants What animals are they Activity 1 Lead-in crowded/destroyed in a mess ... /'ke s/ n. a state of complete confusion and lack of order /k ns 've n/ n. the protection of the natural environment 混乱；杂乱 （对自然环境的）保护 _____( Native inhabitant / Non-native species) introduced to Macquarie Island _____( helped / attacked ) native birds, and led to a _____( subtle / substantial) reduction of bird population and even the extinction(灭绝) of parakeets. In addition, non-native species ate and devastated(摧毁) the native vegetation. All of this played a part in ____ _____( upsetting /cheering ) the natural harmony of the island. But now the island’s ecology（生态） is on the road to _____ ( destruction / recovery) with human efforts. Task 1:Read the passage quickly and find out what happened to Macquarie Island. Activity 2 Fast Reading Non-native species introduced to Macquarie Island attacked native birds, and led to a substantial reduction of bird population and even the extinction(灭绝) of parakeets. In addition, non-native species ate and devastated(毁灭) the native vegetation. All of this played a part in upsetting the natural harmony of the island. But now the island’s ecology（生态）is on the road to recovery with human efforts. Activity 2 Fast Reading Let’s read it together. Part 1 Para 1: the chaos caused by the invading species on Macquarie Island Part 2 Paras 2-3: the conservation of Macquarie Island Part 3 Paras 4-6: a brief introduction to Macquarie Island Task 2: Read the passage quickly and match the main idea of each part. Activity 2 Fast Reading Activity 3 Careful Reading Task1: Watch a short video and appreciate the beauty of Macquarie Island. But something tragic happend... Task 2: Read paras. 2-3 and draw a mind map to show what happened to Macquarie Island before the 1970s. Humans on the island. unknowingly attacked ate to an appetite Activity 3 Careful Reading introduced quickly the native vegetation holes soil erosion plentiful food for cats hunted The parakeets died out and the island was in chaos. multiplied ate dug caused provided arrived brought brought control developed Humans’ actions have a influence on the ecology(生态). bad careless Task 3: Read paras. 4-6&postscript and fill in the blanks. Activity 3 Careful Reading Humans’_____measures ... ...
