新课标高二英语必修5Unit1Reading课件.ppt
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1、Unit 1 Great scientists Reading,高二人教新课标版必修五,Pre-reading,1.What impresses you most in 2003?,Which person impresses you most during the SARS?,What other infectious diseases do you know?,For example: When you eat some food that is not fresh,You may feel,Maybe you have got _.,Cholera,draw a conclusion,t
2、hink of a method,collect results,make a question,find a problem,analyse the results,find supporting evidence,find a problem,make a question,think of a method,collect results,analyse the results,draw a conclusion,How to prove a new idea in scientific research?,find supporting evidence,John Snow defea
3、ts “King cholera”,Reading,John Snow defeats “king cholera”,What can you learn from the title?,人物: 事件:,defeats cholera,Who is John Snow?,What happened to them?,Queen Victoria,John Snow 约翰.斯诺(1813 1858), 英国麻醉学家、 流行病专家。他首次提出了 预防霍乱的措施。1854年, 伦敦霍乱流行, 斯诺通过研究 霍乱病死者的日常生活情况, 寻找到他们的共同行为模式, 发现了霍乱与饮用不洁水的 关系, 由于
4、及时切断了二者 的联系, 有效制止了霍乱的 流行。,Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, “the most terrible outbreak of cholera which ever occurred in the kingdom” began. It was so violent and sudden that 127 people died in the first three days.,The terrible cholera,Bacteri
5、a / germs of cholera,What was the cause of this illness? How did John Snow find it out?,Skim the text and find the main idea of the text.,The passage is mainly about: _ _,How John Snow found the cause of the cholera and defeated it.,Fastreading:,Read the passage quickly and find the number below and
6、 the relevant happenings in the passage.,The first suggested thatmultiplied in the air; The second suggested absorbed this disease into their bodies with their meals.,Another outbreak hit London.,More than 500 people had died in 10 days.,These numbers in Broad Street near the water pump had many of
7、the deaths,20 and 21 Broad Street and 8 and 9 Cambridge Street had no deaths. They didnt drink the water from the Broad Street pump.,These families worked in the pub at 7 Cambridge Street.,16,37,20,8,9,pump,38,40,BROAD STREET,CAMBRIDGE STREET,21,John Snows Cholera Map,7,Pub,What is the problem?,The
8、cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood.,What caused cholera?,Make a question: Which theory to believe in?,Idea 1,Idea 2,Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims.,People
9、 absorbed it with their meals.,Which one do you believe more? What about John Snow?,A map of Broad Street,What method did he use?,Broad Street,Many deaths happened here.,No death happened here.,It seemed the water from the pump was to blame. What did he do next?,Public house,(Para 6) What was anothe
10、r supporting evidence?,(Para 5) He looked into the source of the water,John Snow was able to announce with certainty that polluted water carried the virus.,Read the passage and number these events in the order that they happened.,John Snow began to test two theories.,An outbreak of cholera hit Londo
11、n in 1854.,He announced that the water carried the disease.,John Snow marked the deaths on a map.,2,1,4,7,Carefulreading:,King Cholera was defeated.,He found that most of the deaths were near a water pump.,He had the handle removed from the water pump.,John Snow investigated two streets where the ou
12、tbreak was very severe.,3,8,5,6,What cause cholera?,Which theory is correct?,Collect data on those who were ill or died and where they got their water.,Fill in the blanks.,Plot information on a map to find out where people died or did not die.,Analyse the water to see if that is the cause of the ill
13、ness.,Find other evidence to support the analysis.,The water is to blame. The source of all drinking water should be examined so that it is safe.,Match them,Para 7,Prevention of Cholera,1. John Snow believed Idea 2 was right. How did he finally prove it?,KEY: John Snow finally proved his idea becaus
14、e he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.,Read and answer the questions.,2. Do you think John Snow would have solved this problem without the map? Give a reason.,KEY: No. The map helped John Sno
15、w organize his ideas. He was able to identify those households that had many deaths and check their water- drinking habits. He identified those houses that had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.,3. Cholera was a 19th cent
16、ury disease. What disease do you think is similar to cholera today?,KEY: Four diseases, which are similar today, are SARS, AIDS, TB(肺结核) and bird-flu, because they are both very serious, have an unknown cause and need public health care to solve them.,1. The passage mainly tells us that _. the cause
17、 of cholera was polluted water B. John Snow was a well-known doctor in London C. the source of all drinking water should be examined D. John Snow did some research and helped to solve “King Cholera”,Choose the best answer.,D,2. What was the key help for John Snows discovery? A. The government. B. Th
18、e woman moving away from Broad Street. C. The water company. D. The map made by himself.,D,Summary,John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to gather information.,doctor,19th,cause,defeat,brok
19、e,He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King C
20、holera” was defeated.,marked,pump,source,examined,dealing,What should we pay attention to in our daily life in order not to get infected with cholera?,Heal the food left overnight,Cook raw food thoroughly,Wash hands often,Keep away from flies,choose fresh sea food,Keep the kitchen clean,Dispose rubb
21、ish properly.,Drink boiled water,Discussion,1. know about 了解有关.的情况,know of 听说过,1)有些事我想了解一下。,There is something I want to know about.,2)我听说过那件事, 但不很清楚。,I know of it , but I didnt know it well.,Language points,2. conclude: v. 作结论, 断定 The jury concluded that he was guilty. 陪审团认定他有罪。 to conclude: 总而言之,
22、总之 To conclude, I want to thank you for your help. conclusion: n. 结论,得出结论,arrive at draw/reach come to,a conclusion,1) 那些都是事实, 你能从中得出什么结论?,Those are the facts; what do you conclude from them?,2) 我得出结论你在说谎。,I came to/drew /reached the conclusion the conclusion that you were lying.,3)根据这些事实, 我们能对金字塔是如
23、何 建成的得出一些结论。,From these facts, we can draw some conclusions about how the pyramids were built.,3. defeat v./ n. He defeated the champion in three sets. His words completely defeated me. The Party faces defeat in the election.,击败, 战胜,使困惑,win / beat /defeat win “赢得, 获胜”, 后接奖品, 奖金, 名誉, 财产 beat “击败, 战胜”
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