98年　　翻译题解：　　
71) But even more important, it was the farthest that scientists had been able to looksintosthe past, for what they were seeing were the patterns and structures that existed 15 billion years ago.　　句子分析：　　第一、句子可以拆分为三段：But even more important, it was the farthest that scientists had been able to looksintosthe past, / for what they were seeing were the patterns and structures / that existed 15 billion years ago.　　第二、句子主干结构是：主句+ for +原因状语从句。　　1)主句是强调句it was... that...被强调部分the farthest是后面句子的状语，可以理解为scientists had been able to look the farthestsintosthe past　　2) for...引导的原因状语从句是一个系表结构，what they were seeing是从句中的主语，that...是名词表语the patterns and structures的定语从句。　　第三、词的处理：　　even more important (省略)更为重要的是　　the patterns and structures (宇宙云的)形状和结构　　15 billion years ago 150亿年前
完整的译文：　　71)但更为重要的是，这是科学家们所能观测到的最遥远的过去的景象，因为他们看到的是150亿年前宇宙云的形状和结构。
　　
72) The existence of the giant clouds was virtually required for the Big Bang, first put forward in the 1920s, to maintain its reign as the dominant explanation of the cosmos.
　　句子分析：　　第一、句子可以拆分为三段：The existence of the giant clouds was virtually required for the Big Bang, / first put forward in the 1920s, / to maintain its reign as the dominant explanation of the cosmos.　　第二、句子的主干结构是一个简单句。　　1)整体结构是：The existence... was virtually required for..., to maintain...2)first put forward in the 1920s是过去分词短语作插入语，说明前面的名词the Big Bang　　3)后面的不定式短语是补语。　　第三、词的处理：　　the giant clouds 巨大的(宇宙)云　　virtually 事实上，实际上，实质上　　the Big Bang 大爆炸理论　　first put forward 首创的，开始提出的　　in the 1920s 二十年代　　to maintain its reign as 以保持……的地位　　explanation of the cosmos 对宇宙(起源论)的解释
　　完整的译文：　　72)巨大的宇宙云的存在，实际上是使二十年代首创的大爆炸论得以保持其宇宙起源论的主导地位所必不可少的。　

　73) Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments are closing in on such structures, and may report their findings soon.
　　句子分析：　　第一、句子可以拆分为三段：Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments / are closing in on such structures, / and may report their findings soon.　　第二、句子主干结构是：　　1)主语+并列谓语Astrophysicists...are closing...and may report...2)分词短语working with ground-based detectors at the South Pole and balloon-borne instruments是主语的定语。