浙江省诸暨市草塔中学高中英语 Unit 1 Great Scientists John Snow and the Broad Street Cholera Outbreak of 1854 素材 新人教版必修 5Cholera reached the British Isles in the early 1830s, and outbreaks would continue for the next fifty years. Today, it is well known that cholera is c...

时间:2025-07-12 11:31栏目:中学教育

John Snow and the Broad Street Cholera Outbreak of 1854Cholera reached the British Isles in the early 1830s, and outbreaks would continue for the next fifty years. Today, it is well known that cholera is caused by the bacteria Vibria cholerae and is usually spread in poor drinking water. Early theor...

时间:2025-06-22 17:16栏目:中学教育