题目选项分析

比较两个句子语法结构语义，选出最佳答案：

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 is the case with traditional pharmacies, prescriptions are the cornerstone of a successful on-line drugstore, since it is primarily prescriptions that attract the customers, who then also buy other health-related items.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

0人: KKKKEVN 2020-12-09 14:59:16

this is about the prescription?
what "it" is ?

0人: naysaying 2019-10-28 07:41:21

A的结构？

0人: castlelight 2018-12-20 22:09:28

As is the case with…, prescriptions are… 比较结构
as a do ，so b do

0人: chase_dream 2018-05-11 10:58:34

(a) "as it is with..." isn't parallel to anything. this is the main problem.
nothing "is with" online drugstores, so this choice is not sufficiently parallel.

题目基本信息

所属科目：语法SC
题目来源1：PREP07 Test 2-39

难度：难