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外语
By the late 1950s scientists had already ______ enough evidence to show a clear link between smoking and cancer.
By the late 1950s scientists had already ______ enough evidence to show a clear link between smoking and cancer.
admin
2012-12-13
45
问题
By the late 1950s scientists had already ______ enough evidence to show a clear link between smoking and cancer.
选项
A、assembled
B、proved
C、acquired
D、accumulated
答案
D
解析
语义连贯题。题干中的By表示“到某时(已发生某事或出现某种情况)”。[D]accumulated“积累”,是指经过一段较长的时间由少到多地积累,与By引导的时间短语相吻合,而且符合与evidence的搭配。 [A]assembled“集合,聚集”,是指把人们召集起来或把物品集中起来,使他(它)们成为一个整体;[B]proved“证明,证实”,是指通过提供证据来确定某事的真实性,因此,prove通常与尚未证实的事情搭配;[C]acquired“获得”,是指通过持续的努力或受环境影响而获得某种新的特征或能力,也不能和evidence搭配。
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0
大学英语四级
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