内容正文:
选择性必修二Unit 1 Science and Scientists
Reading and Thinking导学案
John Snow Defeats “King Cholera”
Learning procedures:
Step1: Pre-reading
Read the title and predict.
The text is mainly about ____________(who) and ______ he defeated .
Step2: While-reading
Fast Read for Main Ideas
Read the passage quickly and choose the correct key words to summarize each paragraph.
What; Who How The truth Results and significance
Paragraph(s)
Main idea
1
2-3
4
5
Careful Reading
Task1: Read quickly and fill in the mind map. (Para.1)
What consequence?
Task2: Read for Research Stages. (Paras.2-3)
Read para.2 and finish the blank.
Stage1 Find a problem: What caused cholera?
The two theories:
1 caused the disease.
2 Cholera was caused by an ________ from in .
Stage2 Ask a question: Which theory is correct?
Snow subscribed to the theory.
Read para.3 and finish the blank.
Stage3 Think of a method
John Snow began the exact places where all those people who died__________.
Stage4 Collect data
House numbers ____ _____ ____ and _______had multiple deaths, while some households ____ and____ Broad Street, and ____ and ___ Cambridge had had _______ deaths.
Stage5 Analyse the results
The reason why some households had no deaths was that the people worked in the ______at 7 Cambridge Street, so they drank instead of . Therefore, Snow suspected that__________was to blame.
Stage6 Find supporting evidence Two deaths
Place
Person(s)
Event
Stage7 Draw a conclusion:______________________________________.
Task3: Read paras.4-5 and answer the following questions.
1. What caused the outbreak of cholera in London in 1854?
___________________________________________________________________
2. What contributions did John Snow make?
___________________________________________________________________
Step3: Post-reading
1. What inspiration can we get from John Snow ?
2. What should we do to prevent cholera and to keep away from diseases in our daily life?
_____________________________________________________________________
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