john snow 的英文介绍

◇ Do 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 dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.

◇ Mind Map of the text

Paragraph 1
Introduction of John Snow and

Cholera
Find a Problem: What cause the cholera?

Paragraph 2
Two theory
Make a question: Which is right?

Paragraph 3-5
Study of the breakout in 1854

Paragraph 3
Think of a method: Test two theory

Collect the result: Mark the death

Analyse the result: Reason for death and no death

Paragraph 4
Analyse the result: Find the resource of the water

Paragraph 5

Find supporting evidence: Find more evidence.