一、长难句训练题

　　1、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.

　　2、Of course, some regulation is inevitable and undoubtedly necessary, but a free and democratic society functions best when it leaves the resolution of its ethical quandaries to the reasoned judgment of its citizens rather than the regulatory authority of the government.

　　3、Whorf came to believe in a sort of linguistic determinism which, in its strongest form, states that language imprisons the mind, and that the grammatical patterns in a language can produce far-reaching consequences for the culture of a society.

　　4、Additional social stress may also occur because of the population explosion or problems arising from mass migration movements--themselves made relatively easy nowadays by modern means of transport.

　　5、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.

　　二、长难句训练题解析

　　1、

　　解析：

　　during the Second World War介词短语作状语;when several governments came to the conclusion … foreseen in detail做定语修饰the Second World War; that the specific demands cannot generally be foreseen in detail定语从句修饰conclusion; that a government wants to make of its scientific establishment定语从句修饰demands.

　　参考译文：

　　这种趋势始于第二次世界大战期间，当时一些国家的政府得出结论：政府向科研机构提出的具体要求通常是无法详尽预见的。