(
课件网) Learning Objectives We will be able to ... find out what happened to Macquarie Island; make a flow chart to show humans’ actions, purposes and the results. talk about how to protect our natural ecosystem. 流程图 麦夸里岛 自然生态系统 Unit 5 A delicate world Understanding ideas 2. Background information: Macquarie/m 'kw ri/ Island(麦夸里岛） Guess Game：What animals are they royal penguins 皇家企鹅 king penguin 帝企鹅 elephant seals 海象 ( seal :海豹) sea mew 海鸥 They all live in Macquarie Island. =native inhabitants 1.Guess Game：What animals are they rabbits humankind 人类(总称) dog rat 大老鼠 cat mice (mouse的复数) non-native inhabitants 3. Question: What will happen if all these animals are put in the island ＋ I think the island will be _____. native inhabitants non-native inhabitants = crowded 拥挤的 destroyed毁掉的 damaged 受损的 chaotic 混乱的 ... Let’s read deeply into the passage and find out... 4. Read the title and predict the main idea of the passage. Macquarie Island: from Chaos to Conservation /'ke s/ n.混乱；紊乱 /k ns 've n/ n. （对自然环境的）保护 n. a state of complete confusion and lack of order n. protection of the natural environment 1.The Main idea: What happened to Macquarie island _____( Native inhanbitant / 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 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. Let’s read together! 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 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. 2. Match the main ideas with paragraphs and find the key words . Para 1 Para 2 Para 3 Para 4 Para 5 Para 6 A. To protect native animals, invading animals species had to removed. B. For biological chain, the island’s recent story is really a tragic story. C. For some reasons, there were no cats in 2000. D. Macquarie island is UNESCO world Heritage Site. E. Because of biological chain, parakeets died out. F. The rat, mouse and rabbit problem should be solved once and for all. ADD YOUR TITLE HERE The brief introduction of Macquarie Island L_____ S_____ L_____ Title (头衔） I_____ in the south-west Pacific Ocean, halfway between Australia and Antactica long and thin shape caused by strong wind and stormy seas green grass and bare rock contrast dramatically a UN ... ...
