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标题: [求助]GWD-30-29 [打印本页]

作者: louisalz 时间: 2006-7-13 20:44
标题: [求助]GWD-30-29

Q29:

Researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself.

more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than
more research was needed for determining whether or not balloon angioplasty preceded by ultrasound is any better for heart attack patients than is
that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than
that more research was needed to determine that balloon angioplasty preceded with ultrasound was any better for heart attack patients than
that more research was needed for determining that balloon angioplasty preceded by ultrasound is or is not any better for heart attack patients than is

这道题gwd的答案是B，GWD语法分类里面的答案是C

我选了C，可觉得C也不是太平行，可是B中的be needed for 可以吗？还是be needed to比较多见吧？

请大家给个意见。

作者: liquid_84 时间: 2006-7-13 21:09
http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=170795&replyID=1605906&skin=1

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