难句类型:复杂修饰、插入语
解释:本句的主句中有一个长插入语however,on the basis of observations concerning mantle xenoliths,割裂了主谓,但句子的主要难度还是在that引导的宾语从句中,从句中有由but 所连接的两个句子,一起延续到句末。首选是rich in incompatible elements修饰fluids;后面又有一个同位语和一个分词结构,都是修饰incompatible elements的,最后还有一个状语来修饰那个分词结构,层层修饰,比较复杂。
意群训练:Some geologists,however,on the basis of observations concerning mantle xenoliths, argue that the mantle is not layered,but that heterogeneity is created by fluids rich in incompatible elements percolating upward and transforming portions of the upper mantle irregularly,according to the vagaries of the fluids pathways.
53. Fallois proposed that Proust had tried to begin a novel in 1908, abandoned it for what was to be a long demonstration of Saint-Beuves blindness to the real nature of great writing , found the essay giving rise to personal memories and fictional developments ,and allowed these to take over it a steadily developing novel.
F认为,P在1908年试图开始写一部小说,又为了写一部批判S-B的 伟大作品的真正本质的视而不见的长篇的证明而放弃了这部小说,其后又发现这一论文又勾起了其个人记忆及小说情节的萌生,使得后者取而代之形成了一部稳定展开的小说。
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