人教版必修五-unit1-great-scientists--reading(共67張PPT)課件

1、Unit 1 Great ScientistsReadingcharacteristicradium painter put forwardscientificconcludeconclusionanalysedefeat n. 特征；特性n. 鐳n. 畫(huà)家；油漆匠提出adj. 科學(xué)的v. 結(jié)束；推斷出n. 結(jié)論；結(jié)束vt.分析v. 戰(zhàn)勝 n. 失敗Words previewexpert attend physician exposecure challenge adj. 熟練的; 經(jīng)驗(yàn)豐富的n. 專(zhuān)家; 行家vt. 照顧; 出席; 參加n. 醫(yī)生；內(nèi)科醫(yī)師vt. 暴露; 揭露; 使曝光n.

2、治愈；痊愈vt. 治愈；治療n. 挑戰(zhàn)vt. 向挑戰(zhàn)Words previewvictimabsorbsuspectenquiry neighbourhood severe pump n. 受害者vt. 吸收; 吸引; 使專(zhuān)心vt. 懷疑n. 被懷疑者; 嫌疑犯n. 詢(xún)問(wèn)n. 附近; 鄰近adj. 嚴(yán)重的; 嚴(yán)厲的n. 泵; 抽水機(jī)vt. (用泵) 抽 (水)Words previewforesee blamepollute handlelinkannounce instructvt. 預(yù)見(jiàn); 預(yù)知vt. 責(zé)備; 譴責(zé)n. 過(guò)失; 責(zé)備vt. 污染; 弄臟 n. 柄; 把手vt. 處理; 操縱

3、vt. & n. 連接；聯(lián)系vt. 宣布; 通告vt.命令; 指示; 教導(dǎo)Words previewinfectcholera deadly outbreak clueinvestigategerm certainty v. 感染；傳染n. 霍亂adj. 致命的n. 爆發(fā)；發(fā)作n. 線索；提示v. 調(diào)查n. 微生物；細(xì)菌n. 確信Words previewdraw a conclusionexpose to link to Cambridge Street得出結(jié)論使顯露; 暴露將和聯(lián)系或連接起來(lái)劍橋大街Expressions previewWho is he?He is Archimedes

4、(阿基米德)Which scientist discovered that objects in water are lifted up by a force that helps them float?Charles Darwin.Who is he?He is Who wrote a book explaining how animals and plants developed as the environment changed?Thomas Newcomen.Who is he?He is Who invented the first steam engine?Gregor Mend

5、elWho is he?He is Who used peas to show how physical characteristics are passed from parents to their children?Marie CurieWho is he?She is Who discovered radium?Thomas EdisonWho is he?He is Who invented the way of giving electricity to everybody in large cities?Leonardo da VinciWho is he?He is Who w

6、as the painter that studied dead bodies to improve his painting of people?Leonardo da Vinci The Last SupperHumphry DavyWho is he?He is Who invented a lamp to keep miners safe underground?Zhang HengWho is he?He is Who invented the earliest instrument to tell people where earthquakes happened? Stephen

7、 HawkingWho is he?He is Who put forward a theory about black holes?ArchimedesCharles DarwinThomas NewcomenGregor MendelMarie CurieThomas EdisonLeonardo da VinciSir Humphry DavyZhang HengStephen Hawking1. Doing a research usually goes through some certain steps. Please put these 7steps in order?Pre-r

8、eadingDraw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceDraw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceJohn Snow Defeats “King Cholera”ReadingJohn Snow1. b

9、orn in 1813 in York, England.2. studied in York until the age of 14, he was apprenticed to a surgeon3. 1836 the Hunterian school of medicine & work at the Westminster Hospital 18374. 1838 gratuated from the Universuty of London 5. 1850 the Royal college of Physician6. an anesthetist (麻醉師) It begins

10、in the stomach and a severe case can lead to death without immediate treatment. The victims died very quickly from a loss of liquid after severe vomiting(嘔吐) and diarrhoea(腹瀉).2. What do you know about cholera?GermanyGreat BritainDeath of first cholera case in London during the 1848-49 epidemic Lond

11、onin 183178,000 people diedThe spread of choleraJohn Snow Defeats “King Cholera”Skimming The text is mainly about _ and how he _.Johndefeated the deadly choleraSnowDraw a conclusionFind a problemMake up a questionThink of a methodCollect resultsAnalyse the resultsPara 1Para 2Para 3Para 4Para 5Para 6

12、Find supporting evidencePara 7What is the problem?The cholera was the most _ disease of its day. Neither its _, nor its _ was _.What caused cholera?Details 1. Find a problemdeadlycausecureunderstoodtwo theories theory 1theory 2Cholera_in the air.A cloud of dangerous gas would _around until it found

13、its _.People _ it with their meals.2. make up a questionmultipliedfloatvictimsabsorbedWhat caused cholera?Which theory is correct? 3. think of a methodA map of Broad StreetWhat method did he use?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public

14、house4. collect resultsanalyze the results: What happened to the pump water?The water was from the _ which had been _ by the _ from London.5. analyse the resultsriverpolluteddirty waterWhat extra evidence did he find?two other deaths A woman and her daughter who lived far away but drank the water al

15、so died.7. draw a conclusion with certaintyThe polluted water carried the disease.6. find supporting evidenceMany people died of _.John Snow tried to find out its _ & _ causecurePost-reading choleraTheory 1Theory 2gather information in_two particular streetsmark on a _mapFamilies were given free bee

16、r in the pub at _ Street.People removed the _ from the water pump.People had no_The disease _Cambridgedeathshandleslowed downPeople drank water from the pump in _ Street.Most died.Broad_ water carried the disease.Theory 2 that people _ the disease with their meals proved right. _ the source of all t

17、he water supplies.PollutedabsorbedExaminesupporting evidence:the exampleDisscusion:What should we pay attention to in our daily life in order not to get infected with cholera? Drink boiled waterwash our handsDrink boiled waterDrink boiled waterwash our handskeep away form fliesDrink boiled waterwash

18、 our handskeep away form fliesfresh seafoodDrink boiled waterwash our handskeep away form fliesfresh seafoodkeep the kitchen cleanDrink boiled waterwash our handskeep away form fliesfresh seafoodkeep the kitchen cleancook raw food thoroughlyDrink boiled waterwash our handskeep away form fliesfresh s

19、eafoodkeep the kitchen cleancook raw food thoroughlyput the rubbish into the dustbinDrink boiled waterheat the food left overnightwash our handskeep away form fliesfresh seafoodkeep the kitchen cleancook raw food thoroughlyput the rubbish into the dustbinFrom:Thank you!Why couldnt cholera be under c

20、ontrol at first?What happened in 1854?How many people died in 10 days?Task 1:Skim and Scan1.Why couldnt cholera be under control at first?2. What happened in 1854?3. How many people died in 10 days?Cholera outbreak hit London.500Neither its cause, nor its cure was understood.3 John Snow finally prov

21、ed the theory by _. A. gathering information with the help of a map B. looking into the source of the water for Broad Street and Cambridge Street C. separating those who suffered cholera from those who didnt D. both A and BTask 2Read and AnswerFill in this form: (in 5 minutes)What causes cholera?Whi

22、ch theory is correct?Collect informationMark information on a map to find out where people died or did not died1234Careful ReadingThe water is to blame. The source of all drinking water should be examined.Find other evidence to make sure the conclusionAnalyze the water to see if that is the cause of

23、 the illness567Para1What is the problem?The cholera was the deadly disease of its day. Neither its cause, nor its cure was understood.What causes cholera?John Snow was an doctor in London who Queen Victoria as her personal and was inspired by people _ to cholera. Though the cause and the of it were

24、unknown, he wanted to face the and solve the problem. . .More detailsexpertattendedphysicianexposedchallengecurePara2 What was the two theories explaining how the disease killed people?People absorbed it into their bodies with their meals.the cholera multiplied in the air, a cloud of dangerous gas f

25、loated around until it found its victims.Theory1：Theory2：Para2 Which theory did John Snow suspect was correct?He suspected that the second theory was correct but he needed evidence.Para3 Think of a methodWhat is the method of doing this research?To gather information in two particular streets. To co

26、llect resultsPara5Finally John found the source of the water.Where it came from?Para5At last, he proved the second theory was correct by showing that cholera was spread by germs and not in a cloud of gas. Para6. What extra evidence did he find?two other deaths A woman and her daughter who lived far

27、away but drank the water from the pump also died.announce with certaintyThe polluted water carried the disease.Para7( Draw a conclusion) What measures did John Snow take to prevent the disease from spreading?.suggested thatbe examinedwere instructed not to exposetoFinally, “King Cholera” was defeate

28、d. No. The map helped John Snow organise his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.Read the passage again and fill in the blanks: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. He _ on a map where all t