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题库 / GmatLaCourse-SC-34
Researchers agreed that the study of new treatments for heart attack patients was extremely important but that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than is the balloon procedure by itself.
that more research was needed to determine whether 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
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题目分析：
(A)中的than右边是一个倒装的情况，比较对象是the balloon procedure的状态。(B)中比较对象是the balloon procedure本身，这不合逻辑。答案为(A)。
我翻译一下，你看对不对？
对于心脏病患者而言，是否球囊成形术之前的超声优于球囊手术本身？
感觉翻译的不太对？
最合理的对比对象是the balloon procedure的状态，不是the balloon procedure本身，所以必须要补出助动词is登录 或 注册 后可以参加讨论
倒装与否都可以。通常是为了躲避主语过长而引起的倒装。登录 或 注册 后可以参加讨论
不是，是than the balloon procedure by itself is。登录 或 注册 后可以参加讨论