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

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 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 h

9、appened to predict and prevent epidemics in the future to see how bacteria and viruses have been affected human life to see what the future of the world will be like,“to discover the causes and effects(因果关系) of epidemics, and hopefully, foresee and prevent them in the future.”,Read the last paragrap

10、h and see if the writer presents a solution? If he does, what is it or what are they?,Yes, he does. “Countries will need to work together to do this”; We have to have faith that there will be solutions in time to stop a bird Flu epidemic in its tracks.,find “a cure for Bird Flu as soon as possible”,

11、How does he support his solution? By analyzing the epidemics in history.,The structure of this discursive essay,1. Statement: Bird Flu=Spanish Flu,2. Problem: How to foresee and prevent it,3. An analysis of the problem,4. Solution: International effort 持有(观点); 承受; 保持; 仍然有效 e.g. The concert hall hold

12、s 1,000 audience. Other students hold the opinion that staying up is harmful to our health. Is that branch strong enough to hold you? Bolt holds the 100-metre world record. The offer I made to you last week still holds. hold a meeting 举行 hold on a second 稍等,容纳,持有,承受,保持,有效,4. take ones life 夺走某人生命 e.

13、g. The earthquake in Yaan, Sichuan province has taken the lives of nearly 200 people. Unable to pay off the debts, he _ _ _ _. 无力偿还债务，他自杀了。 5. be around 存在；在附近 e.g. 任何时候你需要帮助，我都会在你身边。 Anytime you need help Ill be around.,took his,own life,= commit suicide,6. as long as 只要；和一样长久 e.g. With the develop

14、ment of medicine, human beings are likely to live as long as 150 years in the future.,e.g. You are allowed to go to the party tonight, as long as you come back before 10 oclock.,7. cause and effect 因果 e.g. Every thing that happens has its cause and effect. 每件事的发生都有它的前因后果。 8. on record 有记录的, 有历史记载的 介

15、词短语做后置定语 e.g. I rent a house with garage. (带车库的房子)。 He was talking to the man in black.(穿黑衣的人) She is a girl of great kindness. (非常善良的女孩),9. attempt to do v. 试图，企图做 make an attempt to do e.g. 他试图谋杀国王但没有成功。 He attempted to murder the King but in vain. 10. sweep v. 打扫，清扫 Tomb Sweeping Day on April 4th

16、 or 5th sweep through 流行，迅速传遍 e.g. 这首歌曾经风靡大江南北。 The song once swept through the country.,swept-swept,n. 尝试，试图,= spread,11. up to 50% of the population died from this epidemic, making it one of the main causes of the fall of the Roman Empire. up to + 数量词: (数目)高达，多达 fall (n.) 衰败，没落 rise and fall (指人生)

17、起伏, 兴衰 making的主语是_, 在句中作_状语。 e.g. European football is played in 80 countries, _ (make) it the most popular sport in the world. e.g. His parents died, _(leave) him and his brother alone.,整件事,making,leaving,ups and downs,结果,= which makes it,相当于非限制性定从,= which makes it,= which left him,e.g. He cut off

18、the electricity immediately, _ (prevent) a terrible accident. e.g. It rained heavily, _ (cause) serious flooding in that country.,preventing,= which prevented,causing,= which caused,12. a lack of 缺乏 e.g. The company closed down (由于缺乏资金) _. lack vt. 缺乏 lacking adj. 缺乏的，不足的 be lacking in 在方面不足，欠缺 e.g.

19、 The report says that most of people today are lacking in social responsibility.,lack n.,due to a lack of money,because it lacked money.,13. strike v. struck struck/striken (灾难疾病等)侵袭; e.g. The area was struck by a heavy storm. 打动; What struck me most was their passion for work. 使我深受感动的是他们对工作的热情。 罢工;

20、 The Labor Union is striking for a pay rise of 10%. 工会正为提薪10%而罢工。 想到 It suddenly struck me how to work it out. = It suddenly _ _ me ,occurred to,14. leave doing: 让sth./sb.一直处于状态 e.g. 别让水一直流。 Dont leave the water running. leave sth./sb. + adj./adv./V-ing(主动)/V-ed (被动) e.g. Luke出去了但作业没做完。 Luke went ou

21、t but left his homework _. e.g. 他的双亲去世了，留下他独自一人。 His parents death left him _. e.g. 隔壁的噪音让我一夜无眠。 The noise from next door left me _.,alone,unfinished,adv.,V-ed,awaken,adj.,16. a tendency to do 带有的倾向 = tend to do 往往，倾向于, 易于 e.g. People have a tendency to make mistakes when they do things in a hurry.,

22、tend to,15. the young and fit 年轻力壮的人 the + adj. 表示一类人 反 the old and weak 年老体弱者,17. Its said/reported/believed that sb./sth. = sb./sth. is said to + be doing have done e.g. He is said to _ to the South this winter. 据说他今年冬天要搬到南方去。 His company is said to _. 据说他的公司遇到了困难。 The children are said to _ by th

23、e river. 据说孩子们正在河边玩。 They are said to _ London. 据说他们已经离开伦敦。 They were said to _ in the battle. 据说他们已在战斗中被杀死了。,do,未发生/现在状态 正在进行 (在say之前)已完成,move,be in trouble,be playing,have left,have been killed,18. “Having killed up to 50 million people , the Spanish Flu is believed to have been the most acute epi

24、demic in history. ” kill的主语是_, 由主语(主动/被动)完 成。be believed to have been“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having killed表示 主语主动做的这一动作在另一动作之前发生。 e.g. _(realize) his mistake, Tom apologized to his teacher. _(help) so many times, the old man could do nothing but thanked the volunteers.,Spani

25、sh Flu,Having realized,Having been helped,被动: Having been done,1. _ a reply, he decided to write again. A. Not receiving B. Receiving not C. Not having received D. Having not received 2. _ many times, he finally understood it. (09四川10) A. ToldB. TellingC. Having toldD. Having been told 3. I hear the

26、yve promoted Tom, but he didnt mention _ when we talked on the phone.(08江西24) A. to promote B. having been promoted C. having promoted D. to be promoted 4. _around the Water Cube, we were then taken to see the Birds Nest for the 2008 Olympic Games.(08陕西14) A. Having shown B. To be shown C. Having be

27、en shown D. To show,C,D,B,C,5. _to reach them on the phone, we sent an email instead. (08重庆29) A. Fail B. Failed C. To fail D. Having failed 6. _ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car. (08福建22) A. Waiting B. To wait C. Having waitedD. To have

28、waited,D,C,19. these statistics are much less impressive than those for the Spanish Flu. those: 代词, 替代上文出现过的复数名词 The watches in this shop are cheaper than _ in the shop across the street. that: 替代上文出现过的同类事物, 常指代不可数n. The weather in Hainan is much warmer than _ in Shanghai at this time of the year. o

29、ne: 用法同that, 但常指单数可数n. Ipad was quite handy to use. Really? I will get _ , too. it: 替代前文中提到的同一事物, 为单数n.;或整件事。,that,= statistics,those,= watches,= weather,one,= an Ipad,it: 替代前文中提到的同一事物, 为单数n.;或整件事。 I have lost my purse. It was black. James got married last month. Have you heard about it?,= the whole

30、 thing,= my purse,20. do trials on 对进行试验 e.g. 医院对这种新药已经进行了许多次试验。 The hospital has done many trials on the new medicine. (be) on trial (在)试用(期间) e.g. 他被雇来试用两周。 He was employed for two weeks on trial. 21. prohibit v. 禁止, 阻止；限制, 妨碍 prohibit sb. _ doing sth. e.g. The new law prohibits people from smokin

31、g in the public places.,from,/forbid/ban,+ doing,= carry out experiment on,22. outbreak n. (战争、疾病、灾难等) 爆发 break out (战争、疾病、灾难等) 爆发 e.g. The sudden attack of Germany on Poland marked the outbreak of World War II. 德国突袭波兰标志着二战的爆发。 23. have faith _ sth. 对有信心 反 lose faith in sth. 对失去信心,in,Language Points

32、 1. wipe out 彻底毁灭 e.g. 洪水彻底淹没了整个村庄。 The floods wiped out the whole village. 抹去，消除 e.g. 没有什么能够抹去他过去痛苦的记忆。 Nothing could wipe out his bitter memories of the past. 2. up to (数量等)高达，多达 e.g. 多达3000个人去听了这场演唱会。 Up to 3,000 people attended the concert.,+ 数量词,3. die of / die from 死于 内部原因(情感、冻饿等)：_ 外在原因(外伤、事故

33、等)：_ died _ hunger/cold/illness/old age. died _ wound/accident/overwork/ carelessness/drinking. He died _ lung cancer. _ smoking.,die of,die from,of,from,of,from,Phrases 1. draw parallel between be parallel to 2. look through 3. take ones life 4. cause and effect 5. on record 6. attempt to do 7. swe

34、ep through swept swept 8. a lack of,在两者之间比较 与相似 浏览；仔细检查 夺走某人的生命 因果关系 有历史记载的 尝试做 席卷，蔓延 缺乏,9. leave doing 10. with a tendency to do 11. do trials on 12. prohibit sb. from doing 13. have faith (in) lose faith in 14. It suddenly strike me that ,让处于某种状态 带有的倾向 对进行试验 禁止某人做某事 对有信心 对失去信心 我突然想起 ,Practices 1.

35、It must be the coldest winter _ _ in history. 这肯定是有历史记载以来最冷的冬天。 2. His sight _ him _ _a pilot. 他的视力阻止他成为一名飞行员。 3. The crops is dying due to _ _ _ rain. 4. The government is trying to _ _ drug dealing on the boundary.政府竭力清除边境毒 品交易。 5. The scientist _ many _ _ the liquid and finally got a result. 这个科学

36、家对液体做了多次试验，最终得到了结果。,on record,prohibited,from being,a lack of,wipe out,did,trials on,6. Its said that the old library will be rebuilt. = The old library _ _ _ _ _. 7. Its reported that an earthquake happened last night in Italy. = An earthquake _ _ _ _ _ last night in Italy. 8. He _ _ escape from th

37、e prison but _ _. 他试图越狱但没有成功。 9. At that moment, _ _ _ _ _ I was wasting my time. 那一刻, 我突然意识到自己是在浪费时间。,is said to,is said to,have happened,attempted to,in vain,be rebuilt,it suddenly struck me,that,10 . The war _ over 10, 000 _. 战争夺走了十多万人的性命。 11. The mother _ _ _ doing housework and _ her baby _ by

38、itself. 妈妈开始做家务，让小孩子自己一个人玩。 12. Keep on trying! Dont _ _ _ yourself! 继续尝试！不要对自己失去信心！ 13. The financial storm which began last year has _ _ the globe.去年开始的金融风暴已经席卷全球。 14. The house price in Shanghai is much higher than _ in Fujian.,took,got down to,left,playing,lose faith in,swept through,lives,that,buildings,taller,those,1. 从“非典”疫情结束后，科学家们就在做治疗实验以防止将来的再次爆发。 Since the SARS epidemic ended, scientists have been doing trials on treatments to prohi