107. Originally developed for detecting air pollutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeology, and criminology.
夸张点说 Nicole Kidman, who stars in XXX 就没人会觉得who是仅仅指代Kidman
-- by 会员 colasama (2011/6/20 23:03:59)
(C) A technique originallydevelopedfor detecting air pollutants, called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it,
那为啥C选项的which就是"incorrectly and illogically modifies emission"呢??