1、外研版外研版 高中英语高中英语 高二年级上学期高二年级上学期 Book 5 Unit 5 A delicate world Period 1 Understanding ideas Learning aims : 1. To know something about Macquarie Island. 2. To practice our reading skills 3. To spur our sense of environmental protection 2020/12/17 1. What animals can you see in the video ? Starting ou
2、t 2. If cats, rats and rabbits were introduced to the environment, what would happen? penguins elephant seals wild birds Fast reading Look through the passage with the following questions. 1.Match the paragraph(s) with correct main ideas. Para.1 Para.2-3 Para.4-5 Para.6 Chaos caused by humans The pr
3、ocess of preservation The introduction of the island The authors mission 2. Choose the authors purpose in writing this passage and give your reasons. A. To analyze how Macquarie Island was saved from destruction. B. To inform readers of the chaos caused on Macquarie Island by humans. C. To entertain
4、 readers with a funny story about what happened on Macquarie island. D. To suggest ways in which an ecosystem can be protected. From what aspects does the writer introduce the island in para.1? Location 1486km 1294km Shape Inhabitants royal penguins ; king penguins; elephant seals long and thin Why?
5、 Strong winds and stormy seas In the _ ocean , _ between Australia and Antarctic. South-west Pacific halfway Careful reading landscape Green grass; bare rock; a wild and natural beauty Humans arrived in1810 Purposes To live there To hunt for sea animals To control rats and mice To be a source of foo
6、d for humans took over the island Eat birds eggs Attack baby birds Purposes Purposes Results Results Results Develop an appetite for birds multiplied quickly eat the native vegetation digging holes cause soil erosion more rabbits means more cats What happened to Macquarie Island before 1970s ? Time
7、In the 1970s In the 1980s measures results Caused some land to collapse Killed a substantial number of penguins Remove all the invading species once and for all. Fill in the following blanks with information in para.4-5 Became an official nature reserve; A virus was released to control rabbits Traps
8、 and dogs - catch the cats Rabbits were reduced to 10000. The cats - native birds The last cat was caught in 2000 Rats started to increase 1. Whats the authors mission on the island? Remove the last remaining invading species 2. How do you understand the sentence “ we human owe it to the island to g
9、ive it a happy ending.” at the end of the passage ? It is humans that have caused great damage to the island and it is our duty to help it return to normal. Read the last paragraph with the following questions. summary 1810 meanwhile 1891 1970s According to the time order, can you retell the passage
10、? 1980s 2000 2006 now Qinling villas Kubuqi desert In 2014, Macquarie Island is pest-free and its ecology is on the road to recovery In 2016, the permanent scientific research station was closed down . Are there similar situations in our country? Better late than never！ Post reading : past past now now With our joint efforts, our country is sure to become a more hospitable place. We should live harmoniously with nature. Homework Please design a poster to call on the students in your school to protect our living conditions . In the poster you are required to list 10 practical dos and donts.
