英语必修5P2第一篇课文,JOHNSNOWDEFEAT的简述-查字典问答网
分类选择

来自撒力的问题

  英语必修5P2第一篇课文,JOHNSNOWDEFEAT的简述急,求英语必修五P2页课文简述,英文简述,简述就行.

  英语必修5P2第一篇课文,JOHNSNOWDEFEAT的简述

  急,求英语必修五P2页课文简述,英文简述,简述就行.

1回答
2020-01-2919:29
我要回答
提示:回答问题需要登录哦!
李志远

  johnsnow adoctor,attendedqueenvictoriaasherpersonalphysician.buthewaswilltohelpordinarypeopleexposedtocholera.manypeopiediedeverytimetherewsaanbreakout.hewantedtofacethechallengeandsolvetheproblem.twotheoriescaughthisattentionthefirstsuggestedthatcholeramultipliedintheair.thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodiesandthediseaseattactedthebody.johnsnowsuspectedthatthesecondwasrightbutheneedevidence.whenanotherbreakhitlondonin1854,hewasreadytobeginhisenquiryandtriedtogetinformation.hefoundmostofthedeathswerenearawaterpumpandthespreadofthediseasewaswater.withtheevidence,hewasabletoannouncethatpullutedwatercarriedthevirus.afterthat,hesuggestedthathesourceofallthewatersuppliesshouldbeexamined.finally,"kingcholera"wasdefected.

2020-01-29 19:32:27
大家都在问
最新问答