1、 Great Scientists(Reading)There are some great scientific achievements that have changed the world.Can you name some of them?What kind of role do they play in the field of science?Do these achievements have anything in common?1.Who wrote a book explaining how animals and plants developed as the envi
2、ronment changed?A.Marie CurieC.Charles DarwinB.Gregor Mendel2.Who discovered radium?A.Marie CurieC.NewtonB.Zhang Heng (1867-1934)(Polish and French,won two Nobel Prizes)3.Who invented the way of giving electricity to everybody in large cities?A.Stephen Hawking C.Thomas EdisonB.Archimedes (1847-1931)
3、an American inventor4.Who invented the earliest instrument to tell people where earthquakes happened?A.Charles DarwinC.Watt B.Zhang Heng (78-139)Chinese,invented seismographJohn Snow British(1813 1858)a legendary(传奇的传奇的)figure in the history of public health,epidemiologyepi,di:mildi(流行(流行病学)病学)and a
4、nesthesiology(麻醉(麻醉学)学)John Snow1.Match the main idea(or topic sentence)with each paragraph:Part I.(1)Part II.(2)Part III.(3-6)Part IV.(7)Study of the outbreak in London in 1854.He got interested in two theories explaining how cholera killed peoplePrevention of Cholera.Introduction of John Snow and
5、cholera.Fast Reading:What is the main idea of the passage?A.John Snow was a well-known doctor in London.B.The case of cholera was polluted water.C.The source of all drinking water should be examined.D.How John Snow collected,analysed data and found the cause of the disease and solved it.What is the
6、main idea of the passage?Careful Reading:John Snow was an doctor in London who Queen Victoria as her personal .He thought about helping ordinary people to cholera.Though the cause and the of it were unknown,he wanted to face the and solve the problem.expertattendedphysicianexposedcurechallengeCarefu
7、l Reading:1.The two theories were:_.2.Which theory did John Snow believe in?People absorbed cholera into their bodies with their meals.1)Cholera multiplied in the air.2)People absorbed it into their bodies with their meals.A map of Broad StreetWhat method did he use?Broad StreetPublic houseCareful R
8、eading:T or F After looking into the source of the water for the two streets,John Snow had shown that cholera was spread in a cloud of gas but not by germs.The woman lived in Broad Street and she had delivered water from the pump to her house every day.FFCareful Reading:Which of the following is not
9、 thesolutions to prevent the cholera fromhappening again?A.Remove the handle from the pump.B.The source of all the water supplies should be examined.C.The water companies were instructed not to expose people to polluted water any more.D.Cholera was spread by germs.Read the passage again and fill in
10、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 the dead people had lived and he found that many people who had drunk the dirty water from the _
11、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.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing 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 cleanDrink boiled waterDiscussion