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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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A选项错误：it无指代对象，如果强行it指代on-line drugstores，逻辑意思不对
B选项错误：as引导的比较从句需要是句子，as从句缺谓语
D选项错误：as+名词表示作为，逻辑意思错误
E选项错误：药店和基石比较错误
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