编辑点评: GRE考试中,很多长句难句让考生们困扰不已,本文选择了部分难句给大家稍作分析。
38.Some geologists,however,on the basis of observations concerningmantle xenoliths,argue that the mantle is not layered,but thatheterogeneity is created by fluids rich in incompatible elements percolatingupward and transforming portions of the uppermantle irregularly,according to the vagaries of the fluids pathways.
但是,某些地质学家,以对地幔捕虏岩体所作的观察为依据,指出地幔并非是分层排列的,相反,地幔的异质性是由那些富含 不相容成分 的流质构成的,这些成分趋向于流体而非固体的状态,自下而上渗透扩散,并依照这些流质流向的任意性,不规则地将上部地幔的某些部分予以改变。
39.The very richness and complexity of the meaningful relationshipsthat kept presenting and rearranging themselves on all levels,fromabstract intelligence to profound dreamy feelings, made it difficultfor Proust to set them out coherently.
各种有意义的联系在所有的层次上,自抽象的理性至深刻的梦幻般的情感,层出不穷并不断重新组合排列;正是这些有意义的联系的丰富性和复杂性,致使普鲁斯特难于将它们错落有致地安排好。
40.It is possible to make specific complementary DNA sthat can serve as molecular probes to seek out the messengerRNA s of the peptide hormones. If brain cells are making thehormones,the cells will contain these Mrna S. If the products the braincells make resemble the hormones but are not identical to them,then thecDNA s should still bind to these mRNA s,but should not bind astightly as they would to mRNA s for the true hormones.
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