高中英语 Unit 1 reading课件 新人教必修5.ppt

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1、遗传学遗传学 电电浮力定理浮力定理 镭镭进化论进化论 画家画家 蒸汽机蒸汽机矿工安全灯矿工安全灯黑洞理论黑洞理论地动仪地动仪阿基米德阿基米德 Archimedes达尔文达尔文 Charles Darwin纽可门纽可门 Thomas Newcomen孟德尔孟德尔 Gregor Mendel居里夫人居里夫人 Marie Curie爱迪生爱迪生 Thomas Edison达芬奇达芬奇 Leonardo de Vinci汉弗来汉弗来.戴维爵士戴维爵士Sir Humphry Davy张衡张衡 Zhang Heng斯蒂芬斯蒂芬.霍金霍金 Stephen HawkingWarming UpMatch the

2、 names and what they famous for.2021/8/11 星期三1Reading Page 22021/8/11 星期三2Draw a conclusionFind a problemMake a questionThink of a methodCollect resultsAnalyse the resultsPara 1Para 2Para 3Para 4Para 5Para 6Match themFind supporting evidencePara 72021/8/11 星期三4What is the problem?The cholera was the

3、 most deadly disease of its day.Neither its cause,nor its cure was understood.What caused cholera?Details 2021/8/11 星期三5Make a question:Which theory to believe in?idea 1idea 2Cholera multiplied in the air without reason.A cloud of dangerous gas would float around until it found its victims.People ab

4、sorbed it with their meals.2021/8/11 星期三6A 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 house2021/8/11 星期三7analyze the results:What happened to the pump water?The water was from the river which had

5、been polluted by the dirty water from London.2021/8/11 星期三8Find supporting evidence:What extra evidence did he find?two other deaths A woman and her daughter who lived far away but drank the water also died.draw a conclusion with certaintyThe polluted water carried the disease.2021/8/11 星期三91.Who de

6、feats“King Cholera“?2.Why couldnt the cholera be under control at first?3.Which theory did John Snow believe in?4.What happened in 1854?5.To prevent the cholera from spreading again,what did John Snow do?Have a quiz2021/8/11 星期三105.John Snow finally proved the theory he believed by _.A.gathering inf

7、ormation 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 B2021/8/11 星期三11John Snow began to test two theories.An outbreak of cholera hit London in 1854.John Snow marked the d

8、eaths on a map.He announced that the water carried the disease.John Snow investigated two streets where the outbreak was very severe.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.6.Read the passage and number these eve

9、nts in the order that they happened.214738562021/8/11 星期三12 7.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

10、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 supplies be _ and the water companies were_ not to _ people _ polluted water any more.Finally “King Cholera”was _.doctor19thcausedefeatbrokemarkedpumpsourceexaminedinstructedexposetodefeated2021/8/11 星期三132021/8/11 星期三14