GWD30-Q29

zhaoyiqing

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

这道题的C这个BUT THAT 是可以的吗 虽然说BUT是连词 但我觉得他功能和AND不同啊 BUT后是不是不能加DOING 只能加句子 或则是谓语之类的吧 还有BUT后加V+ED省略主语和 助动词是不是可以的呢

wyfish

GWD30? GWD一共多少套啊？我手头上的是只有24套的那个。。。。

zhaoyiqing

up

zhaoyiqing

UP