内容正文:
Unit 1 Science and Scientists
Period 1 Reading and thinking 教学设计
The theme of this section is "understanding the questioning mind". By guiding students to analyze John Snow's process and methods of exploring the source of cholera, cutting off the source of infection, and finally preventing the epidemic of cholera, the textbook urges them to think about and sort out the basic steps and common methods of scientific research, and understand the important role of questioning spirit in scientific research.
This paper is a narrative text that describes the development process of events in chronological order.
The steps of scientific research are the hidden clue of the article.
The first paragraph introduces the background of the research. The second paragraph is the first stage of scientific research, that is, raising the question: there were two views on the source of cholera at that time. The following third paragraph describes the research process adopted by Snow: collecting data, anal