Published on January 15, 2008
Slide1: 江苏省丹阳高级中学 王永强 Curriculum focus: Curriculum focus Cultural awareness: getting to know the importance of protecting endangered wildlife Language ability: developing reading comprehension abilities Language knowledge: comparing the differences between present perfect and present perfect continuous tense Warming up: Warming up Here we’ve got a friend. Do you know his name? Do you think he’s happy? Why or why not? Where does he live? Skimming: Skimming What has happened to baiji? It is in danger of dying out. Scanning: Scanning 1. For millions of years, Baiji, one of the 12 most endangered animal species in the world lived in _______. A. the Huanghe River B. the Yangtze River C. the South China Sea D. the Pacific Ocean Choose the best answer : Slide6: 2.The team of scientists didn’t find any sign of baiji because_______. A. they didn’t have the right equipment B. they had searched the wrong places C. there might be no baiji in the River now D. they hadn’t searched long and were not patient enough Slide7: 3. Why is Wang Ding still unwilling to call the species extinct? Because________. A. he believes that there isn’t enough evidence to prove baiji is extinct B. he is a Chinese expert and won’t accept the fact C. he doesn’t want the foreign scientists to laugh at him D. he is head of the team and a member of the Chinese Academy of Sciences Slide8: 4. Which of the following is not the cause for baiji dying out? A. Over-fishing. B. Water pollution. C. Dam-building along the Yangtze. D. Water flooding. Slide9: 5. Which of the following statements is TRUE according to the passage? A. This year’s expedition covered the whole of the Yangtze River. B. Wang Ding believes that the baiji has died out. C. Research shows the rapid disappearance of baiji is largely due to human activities. D. If the baiji should die out, it would be the first large aquatic mammal driven to extinction by man. Fill in the missing information. : Fill in the missing information. Detailed reading grey with tiny eyes, a long narrow beak graceful, shy the Yangtze River in danger of dying out Baiji Vocabulary building : Vocabulary building Match the words with their definitions: extinct increases in size, number or importance decline happen at or near the same time coincide example expansion while sth else is happening meanwhile gradually become less or worse instance not now existing Language focus: We use the present perfect continuous tense to talk about an action that started in the past and is still happening Since November 6, the team have been searching for any sign of the freshwater dolphin on the middle and lower sections of the river. e.g. They have been looking into the causes for the disappearance of the baiji since the early 1990s. Language focus “have been doing” VS “have done” Slide13: We use the present perfect tense to talk about an action completed in the recent past. Wang Ding said he has seen a sharp decline in the baiji population over the past few decades. e.g. Li Jia has read a book about the baiji and so she knows a lot about its habitats. cf: They have been writing a book on using newspapers in the classroom for the past month but haven’t finished it yet. “have been doing” VS “have done” Slide14: as/so long as引导条件状语从句，从句中可用一般现在时表示将来 We will try every effort to save them as long as they are not found to be extinct. as long as ______ I know the money is safe, I shall not worry about it.（03北京） A. Even though B. Unless C. As long as D. While 高考链接 Discussion : Discussion Work in groups of four and discuss the questions: 1. What does the writer want to tell us in writing the article? 2. Can humans survive alone on the earth without wildlife? Follow-up activities: Follow-up activities Voice of Animals Look at the pictures. What do you think the animals would say to humans? Make an interview with each animal and write a report to the 21st Century Teens. Can I keep my tusks long? How long will the ice stay? Voice of animals: Voice of animals Mum, I miss you so much! Please, please don’t! Is it that funny to you? Voice of animals: Voice of animals Must you be so cruel? How many of us should lose their lives? Would you please stay away from our home?