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标题: PREP154，晕晕晕 [打印本页]

作者: hebelong 时间: 2011-5-16 19:50
标题: PREP154，晕晕晕

154. (33193-!-item-!-188;#058&006626)

Some patients who do not respond to therapies for depression may simply have received

inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be

effective or having been taken off a drug too soon.

(A) having, for example, been prescribed a drug at a dosage too low to be effective or having been

(B) having, for example, a drug prescription that was ineffective because the dosage was too low,

or being

(D) when they have, for example, been prescribed too low a drug dosage to be effective, or were

(E) for example, when they have a drug prescription with a dosage too low to be effective, or been

OA: A，but what about B?笔记上说“having a drug prescription与being taken off不对称”怎么不对称了？还有为什么要用HAVING BEEN被动语态哦？？？谢谢你们的回答，大家要加油！把语法提高提高再提高！

作者: WO爱逍遥 时间: 2011-5-16 20:01
我一般看到 BEing 就排除了虽然有时候是正确答案

但比较节约时间

作者: chasekai 时间: 2011-5-17 14:08
个人理解应该是B中having表示“有”，being是助动词（后面有taken off），作用不同不能平行。

作者: hebelong 时间: 2011-5-17 19:17

个人理解应该是B中having表示“有”，being是助动词（后面有taken off），作用不同不能平行。

-- by 会员 chasekai (2011/5/17 14:08:31)

oh~i see~thanks~

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