John Snow was born and worked as a __
36__ in Great Britain．Exactly, he was an anaesthetist，
37 means that he put people to sleep during operation．He also began to experiment using the same drugs to help women when they had
38 ．That is why he became the doctor who
39 Queen victoria to give the birth of her babies．
At the time he lived，cholera was the most
40 disease．Neither its cause，nor its
41 was understood．So many thousands of people died
42 there was an outbreak．John Snow was
43 to help ordinary people
44 from cholera．He
45 the disease began in the stomach and the patients died quickly after severe vomiting(呕吐)and diarrhea (腹泄)．
46 ，he believed cholera resulted from water．When another
47 hit London in 1854，John Snow set to work．
John Snow approached the problem in a systematic way．He marked on a map
48 all the dead people had lived and found many of the
49 were near a water pump．It seemed the water was the
50 ．So he collected information about the
51 habits of the dead people and used them eventually to prove his theory．With the information
52 ，John Snow was sure that
53 water was the cause．
Then people were required to
54 the water company to supply them with clean water．Thanks __
55___ John Snow there was no more outbreaks of cholera．
| 小题1: | | A．scientist | B．an official | C．an officer | D．doctor |
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小题2:A．who B．that C which D．it
| 小题3: | | A．pain | B．ache | C．difficulties | D．babies |
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| 小题4: | | A．assisted with | B．took care | C．look after | D．joined |
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| 小题5: | | A．surprising | B．interesting | C．interested | D．frightening |
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| 小题6: | | A．cure | B．method | C．result | D．threat |
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| 小题7: | | A．each time | B．at one time | C．in no time | D．the first time |
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| 小题8: | | A．delighted | B．devoted | C．absorbed | D．determined |
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| 小题9: | | A．suffered | B．having suffered | C．suffering | D．being suffered |
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| 小题10: | | A．noticed | B．was noticing | C．has noticed | D．had noticed |
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| 小题11: | | A．Therefore | B．As a result of | C．So | D．According to |
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| 小题12: | | A．disease | B．disaster | C．outbreak | D．case |
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| 小题13: | | A．how | B．where | C．what | D．in which |
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| 小题14: | | A．women | B．men | C．death | D．injuries |
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| 小题15: | | A．result | B．cause | C．origin | D．case |
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| 小题16: | | A．drinking | B．1iving | C．working | D．housing |
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| 小题17: | | A．having collected | B．being collected | C．collected | D．collecting |
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| 小题18: | | A．being polluted | B．polluted | C．polluting | D．having polluted |
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| 小题19: | | A．take on | B．call on | C．depend on | D．carry on |
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