精选优质文档-倾情为你奉上人教版高中英语必修五课文填空Unit 1 Great scientists John Snow, a well-known doctor in London, became _(inspire) when he thought about helping ordinary people who _(expose) to cholera, a_(die) disease of its day. Many thousands of people died _ there was an outbreak because no one knew the cause of it. John wanted to help solve the problem.He got interested in two theories _(explain) how cholera killed people. He believed in the second theory _
