【正文】
obvious how the capacity to visualize objects and to figure out numerical patterns suits one to answer questions that have eluded some of the best poets and philosophers。第二個(gè)主語(yǔ)從句中,this指代 efficiency of its agriculture and industry。 例句1:Further more,it is obvious that the strength of a country’s economy is directly bound up with the efficiency of its agriculture and industry, and that this in turn rests upon the efforts of scientists and technologists of all kinds. (200072) 【結(jié)構(gòu)分析】本句主干為it is obvious that…,其中it是形式主語(yǔ),真正的主語(yǔ)為and連接的兩個(gè)that引導(dǎo)的名詞性從句that the strength of a country’s economy is…和that this in turn rests…。在我們證實(shí)這件事之前可以向大氣中不斷地排放氣體。(2005 Text2) 【結(jié)構(gòu)分析】本句的主干是voices