【学习目标】
1. Know about how to organize scientific research and the contributions of John Snow.
2. Improve our ability to learn by ourselves.
【教学重点】
1. To know about how John Snow defeats “King Cholera”.
2. Develop our reading skills, such as , skimming ,word-guessing and summarizing .
【教学难点】 How to enable the students to grasp the usages of words and understand some difficult and long sentences .
