[00:01.00]云县一中陈绍华收集 QQ:409012243 [00:02.00]Unit 1 Great scientists [00:05.13]Reading [00:07.01]JOHN SHOW DEFEATS" KING CHOLERA" [00:12.48]John Snow was a famous doctor in London- so expert, indeed, [00:19.10]that he attended Queen Victoria as her personal physician. [00:23.19]But he became inspired when he thought about helping ordinary people exposed to cholera. [00:30.63]This was the deadly disease of its day. [00:34.23]Neither its cause nor its cure was understood. [00:38.47]So many
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