课程内容

《Great scientists（Part 1）》
Warming Up
 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? Match the inventions with their inventors below before you answer all these questions.
Alexander Bell                     electricity
Thomas Edison                    the First telephone
Laite Brotheres                  the electric Lamp
Madame Curie                    black holes in Universe
Franklin                          Theory of Gravity
Steven Hawking                   the First Plane
Elbert Einstein                   Radium
IsaacNewton                    the Theory of Relativity
What qualities a scientist should have to achieve such a great achievement?
Good observation       IsaacNewton
Perseverance           Marie Curie
Strong determination StevenHawking
Creative               AlbertEinstein
Clever and strict      Edison
Logical thinking and scientific methods...
Analysis of the reading passage:
  There are two clues to understand this reading  passage. First,the reading passage is written as stages in an experiment.Second,it introduces us a story about how John Snow discovers and controls the disease cholera,So we must understand both the scientific methods and the plot of the story.
Scientific methods:
Stages in an experiment
1             find a problem
2             make a question
3             think of a method
4              collect   analyze   results
5              find supporting evidence
6              draw a conclusion
Background
What do you know about infectious diseases?
Infections diseases can be spread to other people. They have an  unknown cause and need public health care to solve them.Birdflu, SARS are infections diseases which are difficult to cure.
Read paragraph1-3and answer questions:
1.What do you know about Dr.John Snow's being well-known in London?
He ___Queen Vitoria as her personal physician.
2.From what disease did Londoners suffer in his age?
3.Did pople know how to ___the disease?
4.When did Dr.Snow think the disease would be controlled?
5.What was the second theory explaining how the disease killed people?
6.How serious was the disease outbreak in London?
1.But he became inspired when he thought about helping ordinary people exposed to cholera.
但当他想到要帮助那些得了霍乱的普通老百姓时，他就感到很振奋。
2.Neither its cause nor its cure was understood.So many thousands of terrified people died every thime there was an outbreak.
人们既不知道它的病源，也不了解它的治疗方法，所以每次爆发霍乱的时候，就有大批惊恐的百姓病死。
3.The second suggested that people absorbed this disease into their bodies with their meals. From the stomach the disease quickly attacked the body and soon the affected person died.第二种看法是吃饭的时候人们把这种病毒引入体内，病从胃里发作而迅速殃及全身，患者就会很快死去。