标题: GWD语法一道 不理解答案选B [打印本页] 作者: 20allen 时间: 2011-5-10 21:11 标题: GWD语法一道 不理解答案选B 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作者: 20allen 时间: 2011-5-11 10:16
我感觉C更好点儿 不知道是不是我那版的答案有问题？