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Long sentence analysis;话说长句：;A long sentence;破解长句第1招：把握完整语义——找断点;Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’t know for sure? 断句如下：Do you remember all those years / when scientists argued that smoking would kill us / but the doubters insisted that we didn’t know for sure? 以上被断分成的三句话意思都是完整的。而为什么不能在“remember”后面呢？因为“Do you remember”翻译成“你还记得”，这时感觉这句话根本没有说完。而只有断点在“years”后面时，前面内容翻译成“你还记得在那些年吗？”完整语义。;破解长句第2招：分析逻辑关系——去轻存重;Although forced ventilation(通风) increases the number of air changes through the greenhouse/ yet studies of forced ventilation alone for greenhouse cooling are limited/ as the use of fans(风扇) for removing the inside hot air with closed greenhouse is not sufficient to lower the inside air temperature in peak summer. 改后：Although forced ventilation(通风) increases the number of air changes through the greenhouse. But studies of forced ventilation alone for greenhouse cooling are limited, because the use of fans(风扇) for removing the inside hot air with closed greenhouse is not sufficient to lower the inside air temperature in peak summer. ;首先看到Although一定讲的不是重点，看到yet则重点出现，提取句子主要成分，即可知道大概句意。 虽然通过温室的强制通风可以增加换气次数，但对单独强制通风使温室冷却的研究却受到限制，因为使用风扇来排出封闭温室内的热空气而降低夏季高峰温度（的理论）是不充分的。;破解长句第3招：透视语法现象——排除干扰;同位语从句的引导词，引导同位语从句的词语通常有连词that，whether，连接代词(what,who,whom,whose)和连接副词(when,where,how,why)等。 定语从句的先行词是名词或代词；而同位语从句的先行词只能是名词，而且仅限于idea，plan，fact，theory，promise，hope，news，doubt，truth，information，suggestion，question， thought，belief，conclusion等少数名词。;The possibility that a circuit breaker may fail to perform its function, when instructed to do so, is higher than for protection and trip circuit. 尽管同位语从句不是定语从句，但有时其意义上和形式上接近定语从句，所以汉译时也常把同位语从句转化成定语来翻译。 这样做以后，断路器失灵的可能性高于保护和跳闸回路失灵的可能性。?;破解长句第3招：透视语法现象——排除干扰;His journey to the e-mail hell began innocently enough when， as chairman of Computer Associates International，a software company，he first heard how quickly his employees had accepted their new electronic-mail