98年 71) But even more important, it was the farthest that scientists had been able to look into the past, for what they were seeing were the patterns and structures that existed 15 billion years ago。
结构分析：这是一个复合句. But even more important是整个句子的状语，it was the farthest是主句，that scientists had been able to look into the past是修饰the farthest的定语从句，for引导原因状语从句(参见1995年71题)，在这个状语从句中，what they were seeing是主语从句，were the patterns and structures是状语从句中的系表结构，that existed…是修饰名词patterns and structures的定语从句。
02年 64)They are the possessions of the autonomous (self-governing) man of traditional theory, and they are essential to practices in which a person is held responsible for his conduct and given credit for his achievements。
结构分析：这是一个复合句。主句是由两个并列的分句构成的：They are…, and they are；in which引导定语从句，修饰practices，其中is held responsible for … and given credit for …并列做定语从句的谓语，given前面省略了助动词is。
94(72)"In short", a leader of the new school contends, "the scientific revolution, as we call it, was largely the improvement and invention and use of a series of instruments that expanded the reach of science in innumerable directions."
The police contended that the difficulties they faced were too severe。
警察强调说他们面临的困难太严重了。
He left his job largely because he was homesick。.他辞职不干主要是因为他想家。
We have countless reasons against his plan。我们有举不胜举的理由反对他的计划。
96 72) This trend began during the Second World War, when several governments came to the conclusion that the specific demands that a government wants to make of its scientific establishment cannot generally be foreseen in detail。
基本结构：简单句+时间状语从句(主语+谓语+宾语+同位语从句(主语the specific demands +定语从句that a government wants to make of its scientific establishment+谓语cannot generally be foreseen in detail)
The Queen will visit the small town in April, when she will open the new hospital。
女王将于四月访问小镇，到时，她将主持这家新医院的开业仪式。
I expect to stay here no more than two days, when I shall return。
我预计在那儿呆两天，随后就回来。
99 71) While there are almost as many definitions of history as there are historians, modern practice most closely conforms to one that sees history as the attempt to recreate and explain the significant events of the past。
结构分析：这是一个复合句。While there are almost as many definitions of history as there are historians整个这一部分是让步状语从句，其中第一个as是程度副词，第二个as是连词，引导比较状语从句there are historians；modern practice most closely conforms to one是主谓宾结构的主句；that sees history as the attempt是修饰one的定语从句，to recreate and explain the significant events of the past是不定式短语做名词attempt的后置定语。
There are almost as many job opportunities as there are college graduates。
几乎每个大学毕业生都有就业机会。
01 73) Pearson has pieced together the work of hundreds of researchers around the world to produce a unique millennium technology calendar that gives the latest dates when we can expect hundreds of key breakthroughs and discoveries to take place。
结构分析：这是一个复合句。Pearson has pieced together the work是主谓结构的主句，of hundreds of researchers是介宾短语做定语修饰名词work，around the world则是介宾短语修饰名词researchers，to produce a unique millennium technology calendar是不定式短语做结果状语，that引导定语从句修饰名词calendar，when引导定语从句修饰dates。这里的when相当于by which，因此不能翻译成“当… 时候”，而应该翻译成“通过这些日期”或者“到这些日期”(参见96年真题72)
97 71) Actually, it isn't, because it assumes that there is an agreed account of human rights, which is something the world does not have。
结构分析：这是一个多重复合句。Actually,是副词做状语，修饰整个句子，it isn't,是主句，在because引导的原因状语从句中，that引导宾语从句，which引导非限制性定语从句修饰名词an agreed account，而the world does not have是省略了从句引导词that的定语从句，修饰something。