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two years. The manufacturer has countered claims that
the Q40's design is faulty by pointing out that, in
each of the accidents, investigations indicated pilot
error as the cause.
The manufacturer's argument, as reported in the
passage, relies on which of the following assumptions?
No aspect of the Q40's design contributed to the
pilots' errors that resulted In crashes.
It is possible to distinguish aircraft failures
due to design flaws from those due to defects in the
manufacture of a particular aircraft.
Those claiming that the Q40's design is faulty have
not identified any particular feature of the design as
flawed.
Pilot error has not been the cause of all recent
commercial aviation accidents.
Half a dozen crashes over two years is not an
extraordinarily high accident rate for an airliner
of the Q40's type.
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答案:(A)
读题:在过去2年里,已有6架Q40飞机坠机。针对Q40在设计上存在问题的指责,制造商指
出:调查证明,每一次事故都是飞行员的失误引起的。
分析:制造商从飞行员的失误是原因,得出结论:Q40的设计不是原因
从结论的形式我们得出这是一种间接原因的考法。
A是B导致的,所以A就不是C导致的。
反对我们一般说B和C是相关的
假设我们只要说B和C没有任何关系
问题:以上论证依据下面哪个假设:
A. Q40设计的任何分面都没有导致引起坠机的飞行员的错误。
(去掉not, Q40的设计导致飞行员的错误,恰恰是间接原因的标准答案模式)
B.设计失误导致的飞机失事与具体飞机制造所引起的飞机失事是可以区分的。
(B说得是设计和制造之间,不对。
如果B改为:设计失误导致的飞机失事与由飞行员的的失误所引起的飞机失事是可以
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