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The reason for the ubiquitous production of light by the microorganisms of the sea remains obscure, and suggested explanations a
The reason for the ubiquitous production of light by the microorganisms of the sea remains obscure, and suggested explanations a
admin
2013-03-27
55
问题
The reason for the ubiquitous production of light by the microorganisms of the sea remains obscure, and suggested explanations are controversial. It has been suggested that light is a kind of
inadvertent
by-product of life in transparent organisms.
选项
A、adverse
B、obscure
C、conspicuous
D、negligent
答案
D
解析
四个选项的意思分别是:adverse不利的;obscure模糊的,朦胧的;conspicuous显著的;negligent疏忽的,粗心大意的。句意是,海洋微生物产生无处不在的光的原因仍然不清楚,现在提出的许多解释都是有争议的。有人认为光是透明的生物体的生命中不太引人注意的副产品。所以正确答案是D选项,如The committee heard that he hadbeen negligent in his duty.(委员会听说他玩忽职守。)
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考博英语
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