JohnSnowDefeatsKingCholera阅读市公开课一等奖百校联赛获奖课件.pptx

Unit 1 Great scientistswarming up&reading高二人教新课标版必修五高二人教新课标版必修五第1页What do you know about great scientists?Try this quiz and find out who knows the most.第2页1.Which scientist discovered that objects in water are lifted up by a force that helps them float?Archimedes(Greek)第3页2.Who used peas to show how physical characteristics are passed from parents to their children?Gregor Mendel Czech(捷克人捷克人)第4页Marie Curie(Polish&French)3.Who discovered radium?第5页4.Who invented the earliest instrument to tell people where earthquakes happened?Zhang Heng(Chinese)seismograph第6页5.Who put forward a theory about black hole?Stephen Hawking(British)black hole第7页6.Who discovered Qinghaosu?Tu Youyou(Chinese)Qinghao第8页第9页 common characteristicscautiouspositivestrictCo-operativecreativebrightenthusiastic第10页John Snow defeats“King cholera”第11页John Snow defeats“king cholera”What can you learn from the title?who：what：defeats cholera 第12页 He attended her as her personal physicianQueen VictoriaWhat s their relationship?第13页 Name of illness cholera(霍乱霍乱)Symptom(症状症状)severe vomiting(呕吐呕吐)and diarrhea(腹泻腹泻)Aftereffect(后果后果)die quickly from a loss of liquid What is cholera?第14页Skim the text and find the main idea of the text.The passage is mainly about:A.why he is famous B.his familyC.the cause of choleraD.how he found out the causeC.his personality第15页Read the passage quickly and find numbers and information related to these numbers.Fastreading:第16页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.第17页16,37,38 and 4020,21;8,97These numbers in Broad Street near 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.第18页16372089pump3840BROAD STREETCAMBRIDGE STREET21John Snows Cholera Map7Pub第19页What is the problem?The cholera was the most deadly disease of its day.Neither its cause,nor its cure was understood.What caused cholera?第20页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 it with their meals.Which one do you believe more?What about John Snow?第21页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第22页(Para 6)What was another supporting evidence?(Para 5)He looked into the source of the waterJohn Snow was able to announce with certainty that polluted water carried the germs.第23页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.He announced that the water carried the disease.John Snow marked the deaths on a map.2147Carefulreading:第24页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 outbreak was very severe.3856第25页1.John Snow 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.第26页2.Do you think John 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 habits.The evidence clearly pointed to the polluted water being the cause.第27页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(肺结核肺结核)and bird-flu,because they are very serious,have an unknown cause and need public health care to solve them.第28页What should we pay attention to in our daily life in order not to get infected with cholera?Heat the food left overnightCook raw food thoroughlyWash hands oftenKeep away from flieschoose fresh sea foodKeep the kitchen cleandeal with rubbish properlyDrink boiled waterDiscussion第29页1.Prepare for dictation.2.阅读训练第一篇（阅读训练第一篇（P2 passage A）Homework第30页第31页