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本题由adminTK提供
106-125

Which of the following, if true, most logically completes the argument below?


Manufacturers are now required to make all cigarette lighters child-resistant by equipping them with safety levers. But this change is unlikely to result in a significant reduction in the number of fires caused by chilidren playing with lighters, because children given the opportunity can figure out how to work the safety levers and_________.


    A. the addition of the safety levers has made lighters more expensive than they were before the requirement was instituted 

    B. adults are more likely to leave child-resistant lighters than non-child-resistant lighters in places that are accessible to children 

    C. many of the fires started by young children are quickly detected and extinguished by their parents 

    D. unlike child-resistant lighters, lighters that are not child-resistant can be operated by children as young as two years old 

    E. approximately 5,000 fires per year have been attributed to children playing with lighters before the safety levers were required 

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答案:
B

制造商现

在被要求让所有的打火机都防儿童,方法是装备安全杆,但这一变化不太可能显著减少儿童玩打火机所引起的火灾,因为有机会的话孩子们能够搞清楚如何操作安全杆,并且——。

计划:安装安全杆  目标:减少儿童玩打火机所引起的火灾  证明计划无法让目标达成

A安全杠杆的增加使打火机比实行这项规定之前更昂贵,与安全无关。

B相对于普通打火机来说,成年人更有可能将防儿童打火机遗留在儿童能接触到的地方,该原因与题目已知原因结合,导致目标无法达成。

C许多由幼儿引发的火灾是由他们的父母迅速发现和扑灭的,与计划目标无关。

D不像防儿童打火机那样,连年仅两岁的孩子都可以操作不防儿童的打火机,无法解释为啥计划不能让目标达成。

E每年大约有5,000起火灾是因为在安装安全杆之前,孩子们玩打火机导致的。

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