The "hope" mentioned in Paragraph 1 refers specifically to Pace’s desire to______. Activists may mistakenly consider a particul

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问题 The "hope" mentioned in Paragraph 1 refers specifically to Pace’s desire to______.
Activists may mistakenly consider a particular incidence of cancer as part of a community cluster despite the fact that______.

选项 A、the affected individual never worked with any carcinogenic material
B、the cancer was actually caused by a long-ago exposure
C、the size of the cluster is too small to be meaningful
D、the cancer actually arose in a different geographic location

答案D

解析 第一段提到,当一个社区出现患癌症的群体时,公民中的社会活动家与流行病学家的看法经常产生分歧,例如,当住在核设施附近的病人癌症患病率很高时,环境保护主义者和相关的当地居民(根据上句当属于citizen activist的范围)立刻会怀疑到环境内的辐射源是导致癌症的主要原因。而传染病学家则会说证据还不确凿,或者说这种情况纯粹是巧合。
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