Unit 1 Great ScientistsUnit 1 Great ScientistsDo you know the great scientists?Do you know the great scientists?1.Who invented the first modern steam engine?1.Who invented the first modern steam engine?James Watt ( 瓦特 )2.Who discovered radium?2.Who discovered radium?Madame Curie 3. Who is the inve3. Who is the inventor of electric ligntor of electric light bulb(ht bulb( 电灯电灯 )?)?Thomas Edison4.Who invented the earliest 4.Who invented the earliest instrument to tell people where instrument to tell people where earthquakes happened?earthquakes happened?Zhang Heng 5.Who is the father of 5.Who is the father of super hybrid rice?super hybrid rice?Yuan Longping6. Do you know who defeated 6. Do you know who defeated “King Cholera”?“King Cholera”?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?Do you know what kind of disease is 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. Let’s get to know how Dr. John SLet’s get to know how Dr. John Snow defeated “King Cholera” in now defeated “King Cholera” in 1854 in London in this reading pa1854 in London in this reading passage: ssage: John Snow Defeats “King Cholera”John Snow Defeats “King Cholera” John Snow Defeats “King Cholera”John Snow Defeats “King Cholera”The passage is written as a report of an experiment and The passage is written as a report of an experiment and there are there are 7 steps7 steps::1.Find a problem:(1.Find a problem:( 发现问题发现问题 ))2.Make up a question:(2.Make up a question:( 形成研究主题形成研究主题 ))3....