LawrenceCraven,adoctorfromtheU

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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1998

Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.

A．when

B．where

C．that

D．which

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