GRE 阅读经典句型汇总 6GRE 阅读中有很多句子，哪些句子是比较经典的呢?哪些句型是需要宽敞 GRE 考生把握的呢? 以下为宽敞 GRE 考生整理了这些经典句型，期望能给宽敞 GRE 考生一些关怀！ 51. The best evidence for the layered-mantle thesis is the well-established fact that volcanic rocks found on oceanic islands,islands believed to result from mantle plumes arising from the lower mantle,are composed of material fundamentally different from that of the mid-ocean ridge system,whose source,most geologists contend,is the upper mantle. (5 -) 对于地幔分层论点来说，最好的证据乃这样一个确认的事实，即在那些海洋岛屿这些岛屿据信是源于由下层地幔升上来的地幔柱状溶岩流(mantle plume)上发觉的火山岩石，是由与海洋中部山脊系统的物质根本不同的物质构成的，而这一海洋中部山脊系统的成因，大多数地质学家论辩道，为上部地幔。 52. 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 (elements tending toward liquid rather than solid state)percolating upward and transforming portions of the upper mantle irregularly,according to the vagaries of the fluidspathways. (4+) 但是，某些地质学家，以对地幔捕虏岩体(xenolith)所作的观看为依据，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，自下而上渗透扩大，并依据这些流质流向的任意性，不规章地将上部地幔的某些部分予以转变。 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. (5 -) F 认为，P 在 1908 年试图开头写一部小说，又为...
