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1、Unit 21 Lesson 3 Epidemics Explained,Do you still remember SARS ?,How did you feel when SARS was spreading?,Whats the outcome of SARS ?,Besides SARS, what other diseases can be epidemic?,AIDS SARS Influenza(=flu) Bird Flu Swine Flu Hand-Feet-Mouth Disease Tuberculosis(=TB) 肺结核,Death silently leapt(跳
2、跃) from house to house, till he nearly lost his prey (被掠食者 ). -Francis Macnamara British People dropped dead like flies (苍蝇). Grief-stricken(极度忧伤的) mothers mourned their sons death, till their tears ran dry.,画家笔下的中世纪黑死病景象,Dr Garcia,no matter how good modern science is, a future epidemic is inevitabl
3、e.,*epidemic cancer wipe out urban *rebuild empire trial *prohibit unite pause,n. 流行病, 传染病 n. 癌，癌症 彻底毁灭 adj. 城市的 vt. 重建 n. 帝国 n. 实验 vt. 禁止 vt. 联合，团结 n. 暂停，停顿,New Words,*acute statistics symptom routine press parallel tissue *adaptation foresee mourn,adj. 剧烈的，严重的 n. 统计资料，统计数字 n. 症状 n. 常规，惯例 n. 新闻界，报界
4、 v.按, 压 n. 平行线，极相似之处 n. 组织 n. 变化，变种 vt. 预见(foresaw-foreseen) vt. 感到悲痛，表示哀悼,New Words,carrier prescription *tablet underline *thorough *systematic *teamwork faith stop sth. in its tracks pill,n. 带菌者 n. 处方 n. 药片 vt. 强调, 下划线 adj. 彻底的 adj. 系统化的 n. 协作，配合 n. 信心 终止，消灭 n. 药丸，药片,New Words,Work in pairs. Do y
5、ou think these statements are true (T) or false (F)?,1) Flu kills millions of people every year.,2) Most diseases are very new.,3) Epidemics have affected historical events.,5) Epidemics can wipe out up to half of the population in urban areas.,6) More people died of a flu epidemic in 1918/1919 than
6、 died in World War I.,4) It takes years for a disease to spread worldwide.,Reading,Reading strategies: Sequencing of information,1. Read the text with gaps to get the general idea. 2. Read the sentences before and after the gaps. 3. Read the missing paragraphs. 4. Put the missing paragraphs in the g
7、aps. 5. Reread the whole passage.,Skim the passage to get the main idea,Read the text to find how the passage develop?,In order of time In order of space In order of logic,Reading,Match the five paragraphs (A-E) with gaps 3,5, 8, 10 and 12 in the text.,A B C D E,Paragraph 3 Paragraph 5 Paragraph 8 P
8、aragraph 10 Paragraph 12,How many epidemics in the human history are mentioned in this text? Para. 1 & 13: _ Para. 3&4: _ _ Para. 5&6: _ Para. 7&8: _ Para. 912: _,Bird Flu,Epidemic in Roman Empire,=(Justinians Plague) 查士丁尼瘟疫,Black Death,Spanish Flu,SARS,Justinians Plague,North Africa, middle East, E
9、urope,up to 50% of the areas population,In the 1330s,Europe, Asia, Africa and Middle East,up to one half of the population,1918,Spanish Flu,up to 50 million in 18 months,2002,SARS,China, Canada, Vietnam, Singapore,500-550AD,The Black Death,The whole world,774,Bird Flu,1997,more than a hundred lives,
10、First in HK,Match each epidemic with the statements,Bird Flu Para.1&13,Its a modern adaptation of Spanish Flu,Thorough and systematic medical research will lead to a cure as soon as possible.,It has become a global epidemic,彻底而系统的,导致, 产生,n.治愈的方法,Justinians Plague Para.3&4,one of the earliest on reco
11、rd,The most acute worldwide epidemic,It was one of the main causes of the fall of the Roman Empire,记录在案,n. 衰落,empire, emperor, empress,affected historical events,The Black Death Para.5&6,Perfect conditions were provided for the disease to spread worldwide,Crowded urban areas were more severely affec
12、ted,It was completely new,Para.E. Line 5,Line 6,_, _ and _.,War,crowded cities,a lack of basic health routines,缺乏基本的卫生习惯,The Great Flu Epidemic Para. 7&8,It struck near the end of the First World War,The most acute worldwide epidemic,The young and fit were more likely to be affected,More people died
13、 of the flu than died in the war,It was completely new,V. (疾病、灾难等)侵袭；攻击,年轻力壮者,SARS Para.912,It was completely new,It began with a lung disease,Most people had no natural defenses against the disease,Yet , it has been forgotten by history,天然防护(抗体),Spanish Flu,There were no _ drugs or _ to treat it.,p
14、rescription,tablets,“With recent press reports drawing parallels between Bird Flu and a killer epidemic in the past, Jim Smith looks through the history of epidemics for clues(线索) about what the future might hold.” draw parallels between A. to draw the sign “=” B. to show two different things are si
15、milar,What does the writer tell us in the background introduction?,look through A. to examine sth. carefully B. to look at sth. with a glance (一瞥),The introduction intends to show us that: Bird Flu is similar to a killer epidemic in the history; Scientists are looking for clues to help future study.,Read the second paragraph and find out why scientists look through the history of epidemics.,Scientists hope _. to find out how epidemics have happened to predict and prevent epidemics in the future to see how bacteria and viruses have been affected human life to see what the
