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题库 / Prep2007E1-SC-128
According to a study published in The New England Journal of Medicine, aspirin prevents blood clots just as well as a commonly used and more expensive blood-thinning drug does.
prevents blood clots just as well as a commonly used and more expensive blood-thinning drug does
prevents blood clots just as well as does a commonly used and a more expensive blood-thinning drug
prevents blood clots just as well as will a commonly used and more expensive blood-thinning drug
works just as well as a commonly used and more expensive blood-thinning drug at the prevention of blood clots
works just as well as does a commonly used blood-thinning drug, which is also more expensive, at preventing blood clots
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D, A works as well as B at the prevention of C, B要补出谓语动词，否则会让人误解为 A works at the prevention of C as well as at the prevention of B
E, at preventing blood clots强调在preventing这个过程有效，应该用at the preventing或at the prevention，强调是对prevent的结果有效
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