1、 Unit 1 Great Scientists1.Who wrote a book explaining how animals and plants developed as the environment changed?A.Marie Curie居里居里C.Charles Darwin达尔文达尔文B.Gregor Mendel 门道尔门道尔2.Who discovered radium?A.Marie CurieC.NewtonB.Zhang Heng3.Who invented the way of giving electricity to everybody in large c
2、ities?A.Stephen Hawking C.Thomas EdisonB.Archimedes4.Who was the painter that studied dead bodies to improve his painting of people?A.Gregor MendelC.Marie CurieB.Leonardo da Vinci 达达芬奇芬奇 5.Who invented the earliest instrument to tell people where earthquakes happened?A.Charles DarwinC.Watt B.Zhang H
3、eng6.Who put forward a theory about black holes?A.Stephen HawkingC.CopernicusB.ArchimedesDo you know John Snow?John Snow is a well-known doctor in the 19th century in London and he defeated“King Cholera”.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking
4、dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.Lets get to know how Dr.John Snow defeated“King Cholera”in 1854 in London in this reading passage:John Snow Defeats “King Cholera”SkimmingWhats the main idea of the passage?A.John Snow was a well-known doc
5、tor in London.B.The cause of Cholera was polluted water.C.The source of all drinking water should be examined.D.How did John Snow collect,analyze data and find the cause of the disease and solved it.Careful readingRead and answer:Para.1 John Snow was an doctor in London who Queen Victoria as her per
6、sonal .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.expertattendedphysicianexposedcurechallengeParagraph 2 Which theory to believe in?Cholera multiplied in the air without reason.A cloud of dangerous gas w
7、ould float around until it found its victims.People absorbed it with their meals.Paragraph 3&41.What did he do with the results of his enquiry?2.What valuable clue did he get about the cause of the disease?3.What might be the cause?A map of Broad StreetWhat method did he use?Broad StreetMany deaths
8、happened here.No death happened here.The water from the pump was to blame.Paragraph 51.Why did he tell people to remove the handle from the pump?2.What happened after the handle was removed?Paragraph 6What s the extra evidence?Two other deaths in another part of London that were linked to the Broad
9、Street outbreak.Paragraph 7What are John Snows suggestions?The source of all water supplies should be examined.New methods of dealing with polluted water should be found.The water companies were also instructed not to expose people to polluted water anymore.DiscussionWhat should we pay attention to in our daily life to prevent ourselves from getting infected with all these infectious diseases?Discussion.Eat cooked food while it is still hot.Boil water thoroughly(完全完全)before drinking.Wash hands with soap and water before preparing food and eating.Avoid eating raw food,especially seafood.