Book 5 Unit 1 Great Scientists 预习学案一.目标聚焦:1、了解著名医生约翰·斯诺、钱学森、哥白尼等科学家
2、学会使用表示描述人物的句型
学习过去分词作定语和表语的结构
二.走进课文:1
Read the passage and number these events in the order that they happened
---John Snow began to test two theories
---An outbreak of cholera hit London in 1854
--- John Snow marked the deaths on a map
---He announced that the water carried the disease
---John Snow investigated two streets where the outbreak was very severe
---King Cholera was defeated
---He found that most of the deaths were near a water pump
---He had the handle removed from the water pump
Read the passage and answer these questions
John Snow believed Idea 2 was right
How did he finally prove it
____________________________________________________________________________Do you think John Snow would have solve