标题: 求GWD-30-Q29 [打印本页] 作者: kudoucliff 时间: 2010-7-28 23:51 标题: 求GWD-30-Q29 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 这题答案是B，我选的C；B里面whether or not不是wordy and awkward吗……而且应该是be needed to而不是be needed for吧……