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Through thorough investigation, Dr. John Snow was finally able to prove that the

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Through thorough investigation, Dr. John Snow was finally able to prove that the

Through thorough investigation, Dr. John Snow was finally able to prove that the outbreak of Cholera _____ people’s drinking of polluted water

A.was close linked with

B.closely linked to

C.was close connected with

D.was closely linked with

试题答案

D

解析:

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