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题库 / Prep2007E2-SC-39
As it is with traditional pharmacies, on-line drugstores rely on prescriptions to be successful, since it is primarily prescriptions that attract the customers, who then also buy other health-related items.
As it is with traditional pharmacies, on-line drugstores rely on prescriptions to be successful
As with the case of traditional pharmacies, on-line drugstores rely on prescriptions to have success
As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful on-line drugstore
As traditional pharmacies, so on-line drugstores rely on prescriptions to be successful
Like traditional pharmacies, the cornerstone of a successful on-line drugstore is prescriptions
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choice b, as作为连词，后面需要跟句子。然而在这里跟了with的介宾短语。incorrect
choice d, as+n的结构下此时as是介词，解释“作为”，然而根据语意在线药店不可能作为传统药房
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