Unit 21 Lesson 3 Epidemics Explained (包含语言点详解, 课堂练习)

Do you still remember SARS ?
How did you feel when SARS was spreading?
What’s the outcome of SARS ?
Besides SARS, what other diseases can be epidemic?
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. the missing paragraphs. 4. Put the missing paragraphs in the gaps. 5. Reread the whole passage.
The young and fit were more likely to be affected
More people died of the flu than died in the war
SARS
It began with a lung disease
天然防护(抗体)
Para.9~12
Most people had no natural defenses against the disease Yet , it has been forgotten by history Spanish Flu It was completely new
It was completely new
Perfect conditions were provided for the disease to spread worldwid War crowded cities _____, _____________ and __________________________. a lack of basic health routines 缺乏基本的卫生习惯
The Great Flu Epidemic Para. 7&8
The most acute worldwide epidemic It was completely new
It struck near the end of the First World War
年轻力壮者
V. (疾病、灾难等)侵袭；攻击
drawthrough between •The introduction intends to show us that: look parallels
to examine sth. carefully •A. A. to draw the sign “=”a killer epidemic in the Bird Flu is similar to B. B. to at two different things are to look history;showsth. with a glance (一瞥) similar
There were no ___________ prescription drugs or ______ to treat it. tablets
What does the writer tell us in the background introduction?
• “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.”
havingbeendonespanishflukill的主语是由主语主动被动完havebeen被认为是表示未发生正在进行已经完成的动作是在kill之前之后发生所以用havingkilled表示主语主动做的这一动作在另一动作之前发生
Unit 21 Lesson 3 Epidemics Explained
How many epidemics in the human history are mentioned in this text? Bird Flu Para. 1 & 13: ___________ Epidemic in Roman Empire Para. 3&4: __________________________ =(Justinian’s Plague) 查士丁尼瘟疫 _________________________________ Black Death Para. 5&6: _____________ Spanish Flu Para. 7&8: _____________ SARS Para. 9~12: ____________
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 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





AIDS SARS Influenza(=flu) Bird Flu Swine Flu Hand-Feet-Mouth Disease Tuberculosis(=TB) 肺结核
• Death silently leapt(跳跃) from house to house,
till he nearly lost his prey (被掠食者 ). --Francis Macnamara British
The most acute worldwide empire, emperor, epidemic
empress
The Black Death Para.5&6
Line 6
Crowded urban areas were more severely affected Para.E. Line 5
time
the earliest on record 500Justinian’s 550AD Plague In the 1330’s 1918
epidemic
areas
number of the people died
2002
1997
North Africa, up to 50% of middle East, the area’s population Europe The Black Europe, Asia, up to one half of Africa and the population Death Great Flu Middle East Spanish up to 50 million The whole Flu in 18 months world China, Canada, 774 SARS Vietnam, modern Singapore adaptation Bird Flu First in HK more than a hundred lives
• 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 ________. A. to find out how epidemics have happened B. to predict and prevent epidemics in the future C. to see how bacteria causes and effects(因 “…to discover the and viruses have been affected of epidemics, and hopefully, 果关系) human life D. to see what the futurethem in thewill be like foresee and prevent of the world future.”
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
Work in pairs. Do you 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.
4) It takes years for a disease to spread worldwide. 5) Epidemics can wipe out up to half of Unfortunately, they the population in urban areas. are all bloody truth. 6) More people died of a flu epidemic in 1918/1919 than died in World War I.
New Words
*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
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 Paragraph 10 Paragraph 12



Skim the passage to get the main idea
Read the text to find how the passage develop?
A. In order of time B. In order of space C. In order of logic
Reading
记录在案
one of the earliest on record Justinian’s Plague Para.3&4 It was one of the main causes of the fall of the Roman Empiren. 衰落
affected historical events
Match each epidemic with the statements It’s a modern adaptation of
Spanish Flu Bird Flu Para.1&13
n.治愈的方法
It has become a global epidemic
彻底而系统的
Thorough and systematic medical research will lead to a 导致, 产生 cure as soon as possible.
• 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 inevitable.