人教版高中英语Book5 Unit1 Reading教学课件 (共33张PPT).ppt

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1、 Unit 1Great ScientistsWhat do they have in common?They are scientists What do you know about them ?Lets have a competition!Warming up1.Which scientist discovered that objects in water are lifted up by a force that helps them float?B.ArchimedesC. Thomas EdisonA. Charles DarwinArchimedes“Give me a pl

2、ace to stand on, and I can move the earth.”“给我一个支点，我就可以翘起整个地球给我一个支点，我就可以翘起整个地球.”2. Who wrote a book explaining how animals and plants developed as the environment changed?A. Marie CurieC. Charles DarwinB. Gregor MendelCharles Darwin.Origin of Species物种起源物种起源3.Who invent the first steam engine?A. Tho

3、mas NewcomenC. Thomas EdisonB. Archimedes4. Who used peas to show how physical characteristics are passed from parents to their children?A. Thomas EdisonC. ArchimedesB. Gregor Mendel5. Who discovered radium?A. Marie CurieC. NewtonB. Zhang Heng6.Who invented the way of giving electricity to everybody

4、 in large cities?A. Stephen Hawking C. Thomas EdisonB. Archimedes7.Who was the painter that studied dead bodies to improve his painting of people?A. Gregor MendelC. Marie CurieB. Leonardo da Vinci Leonardo da VinciMona Lisa8. Who invented a lamp to keep miners safe underground?A. Sir Humphry Davy B.

5、 Watt C. Copernicus9. Who invented the earliest instrument to tell people where earthquakes happened?A. Charles DarwinC. Watt B. Zhang HengZhang Heng (78-139)SeismographSeismograph地震仪地震仪10.Who put forward a theory about black holes?A. Stephen HawkingC. CopernicusB. ArchimedesJohn Snow is a well-know

6、n doctor in the 19th century in London and he defeated “King Cholera”.It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.John Snow defeats “King cholera”John Snow defeats “King Cholera”Who was the great s

7、cientist in the passage and what was the deadly disease of its day?John Snow choleraStudy the titleWhats the main idea of the passage?A.John Snow was a well-known doctor in London.B. The cause of Cholera was polluted water.C.The source of all drinking water should be examined.D.How John Snow defeate

8、d “King Cholera”?SkimmingCareful reading Read the passage and number these events in the order that they happened. (P 3 Ex. 1)_ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow marked the deaths on a map._ He announced that the water carried the disease._

9、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. Find a problem :What is the problem?The cholera was the most deadly disease of its day. Neither

10、 its cause, nor its cure was understood.What caused cholera?Details Make up a question: Which theory to believe in? Cholera multiplied in the air. A cloud of dangerous gas would float around until it found its victims.People absorbed it with their meals.A map of Broad StreetThink of a method: What m

11、ethod did he use?Collect results: What results did he find?Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Analyze the results: What happened to the pump water?The water was from the river which had been polluted by the dirty water from London.Repeat

12、 if necessary: What extra evidence did he find? 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.Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century. He w

13、anted 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 _ died. So he decided that the polluted water carried cholera. He sugg

14、ested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealingWhat 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 cleanDispose rubbish properly.Drink boiled waterdiscussion1.Read the text and learn the new words by heart2.Find more information about cholera and John Snow on the Internet.Homework: