Step 1:Skimming

　　1.Who was the great scientist in the passage and what was the deadly disease of its day?

　　2.What happened in 1854?

　　3.What can prove that cholera was severe?

　　Step 2:Careful reading

　　1.Read Paragraph 1 and then fill in the blanks.

　　John Snow was an 　　　doctor in London who 　　　Queen Victoria as her personal 　　　.He thought about helping ordinary people 　　　to cholera.Though the cause and the　　　 of it were unknown,he wanted to face the 　　　and solve the problem.

　　2.Read Paragraphs 2 & 3 and then answer the questions.

　　(1)What were the two theories about the cause of cholera?

　　(2)Which theory did John Snow want to prove?

　　(3)What was his method of doing the research?

　　3.Read Paragraph 4 and answer the questions.

　　(1)Fill in the blank with a proper word.

　　First he marked on a map the exact places 　　　/(　　　 　　　) all the dead people had lived.

　　(2)Replace the sentence with one that has the same meaning from the text.

　　It seemed that the water should be blamed.

　　(3)Read Paragraph 5 and answer the following questions.

　　①Why did John Snow tell people to remove the handle from the pump?

②What happened after the handle was removed?