必修五Unit1Reading

1、Unit 1 Great scientistsReading高二人教新課標(biāo)版必修五高二人教新課標(biāo)版必修五draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsfind supporting evidencefind a problemmake a questionthink of a methodcollect resultsanalyse the resultsdraw a conclusionHow to prove a new idea in sci

2、entific research?find supporting evidenceJohn Snow 約翰約翰.斯諾斯諾(1813 1858), 英國麻醉學(xué)家、英國麻醉學(xué)家、流行病專家。他首次提出了流行病專家。他首次提出了預(yù)防霍亂的措施。預(yù)防霍亂的措施。1854年年, 倫敦霍亂流行倫敦霍亂流行, 斯諾通過研究斯諾通過研究霍亂病死者的日常生活情況霍亂病死者的日常生活情況, 尋找到他們的共同行為模式尋找到他們的共同行為模式,發(fā)現(xiàn)了霍亂與飲用不潔水的發(fā)現(xiàn)了霍亂與飲用不潔水的關(guān)系關(guān)系, 由于及時切斷了二者由于及時切斷了二者的聯(lián)系的聯(lián)系, 有效制止了霍亂的有效制止了霍亂的流行。流行。Four outbr

3、eaks 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 choleraBacteria / germs of cholera Name of illness S

4、ymptom(癥狀癥狀) Aftereffect(后果后果)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 belo

5、w and the relevant happenings in the passage.Two theoriesIn 1854500 , 10The first suggested thatmultiplied in the air; The second suggestedabsorbed 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

6、the water pump had many of the deaths20 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.16372089pump3840BROAD STREETCAMBRIDGE STREET21John Snows Cholera Map7PubWhat is the prob

7、lem?The 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? Cholera multiplied in the air without reason. A cloud of dangerous gas would float around until it found its victims.People absorbed

8、 it with their meals.Which one do you believe more?What about John Snow?A map of Broad StreetWhat method did he use?Broad StreetMany 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 another supporting eviden

9、ce?(Para 5) He looked into the source of the waterJohn 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 London in 1854.John Snow mark

10、ed the deaths on a map. 214Carefulreading:John Snow investigated two streets where the outbreak was very severe.3King Cholera was defeated.He found that most of the deaths were near a water pump.He had the handle removed from the water pump.856He announced that the water carried the disease.7What ca

11、use 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 illness.Find other evidence to support the ana

12、lysis.The water is to blame. The source of all drinking water should be examined so that it is safe.draw a conclusionfind a problemmake a questionthink of a methodcollect resultsanalyse the resultsrepeat if necessaryMatch themPara 1Para 2Para 3Para 4Para 5Para 6Para 7Prevention of Cholera1. John Sno

13、w believed Idea 2 was right. How did he finally prove it?KEY: John Snow finally proved his idea because 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

14、Snow would have solved this problem without the map? Give a reason.KEY: No. The map helped John Snow 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 habi

15、ts. The evidence clearly pointed to the polluted water being the cause.3. Cholera was a 19th century disease. What disease do you think is similar to cholera today?KEY: Four diseases, which are similar today, are SARS, AIDS, TB(肺結(jié)核肺結(jié)核) and bird-flu, because they are both very serious, have an unknow

16、n cause and need public health care to solve them.1. The passage mainly tells us that _.A. the cause of cholera was polluted water B. John Snow was a well-known doctor in LondonC. the source of all drinking water should be examinedD. John Snow did some research and helped to solve “King Cholera”Choo

17、se the best answer. D 2. What was the key help for John Snows discovery?A. The government. B. The woman moving away from Broad Street.C. The water company.D. The map made by himself.D John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 185

18、4 when a cholera _ out, he began to gather information.doctor19thcausedefeatbrokeHe _ 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 Cholera” was defeated.markedpumpsourceex