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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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句子结构：As is the case with…, prescriptions are… 比较结构。
考点：比较
1) 比较的习惯用法，as be the case (with)…，是prep新出现的固定搭配，是as the case be的倒装表达，常见的错误用法有：as it be; than be the case; as in/with the case of等。
(A) as it is with…搭配错误，it无指代，不能指代后面这个句子。
(B) as with the case搭配错误。
(C) 正确，as be the case with…连接比较对象。
(D) 应该是as A do, so B do结构，缺少do。
(E) like连接比较对象不对等，pharmacies和cornerstone。
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