【逻辑精选25练】GMAT官方CR真题实例讲解（第七练）

2015年07月03日15:40 来源：小站整理

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GMAT逻辑题一直以来是不少考生的弱项，因为逻辑题考查的不只是考生对于英文题目的阅读和理解能力。考生必须具备一定的逻辑推理思维能力才能做好此类题目。下面小编就通过一些GMAT逻辑真题的完整分析来为大家讲解这一难点题型的解题思路和技巧。

例题分享：

Which of the following most logically completes the passage?

Most bicycle helmets provide good protection for the top and back of the head, but little or no protection for the temple regions on the sides of the head. A study of head injuries resulting from bicycle accidents showed that a large proportion were caused by blows to the temple area. Therefore, if bicycle helmets protected this area, the risk of serious head injury in bicycle accidents would be greatly reduced, especially since .

(A) among the bicyclists included in the study’s sample of head injuries, only a very small proportion had been wearing a helmet at the time of their accident

(B) even those bicyclists who regularly wear helmets have a poor understanding of the degree and kind of protection that helmets afford

(C) a helmet that included protection for the temples would have to be somewhat larger and heavier than current helmets

(D) the bone in the temple area is relatively thin and impacts in that area are thus very likely to cause brain injury

(E) bicyclists generally land on their arm or shoulder when they fall to the side, which reduces the likelihood of severe impacts on the side of the head

题目类型：

complete the argument

题目翻译：

大部分的自行车头盔都为骑车人的头顶和后脑勺提供了很好的保护，但是对头两侧的太阳穴区域却几乎没有保护措施。一项研究表明，由自行车事故导致的头部伤害往往是因为对太阳穴的撞击导致的。因此，如果自行车的头盔能够保护这个区域的话，自行车事故给头部带来重伤的可能性将会大大减小。

解题思路：

找到自行车头盔保护太阳穴的非常大的优点。

逐项分析：

A、在接受研究的头部受伤的骑车人中，只有一小部分在出事故的时候戴了头盔。无关项。

B、即使是平时戴头盔的骑车人，也对头盔的作用了解非常少。无关项。

C、保护太阳穴的头盔会更大更重。这是缺点不是优点。

D、正确选项。太阳穴部分的骨头都很薄，因此对这个部分的撞击很容易导致脑部伤害。这正是保护太阳穴非常大的原因。

E、自行车手一般是用胳膊或者肩膀着地，减少了头部受伤的可能性。此项可以理解成无关项，因为我们的讨论仅限于头部受伤时。此项也可以理解成反对项，因为如果自行车手一般是用胳膊或者肩膀着地，对头部两侧的保护就显得不必要了。

正确选项：

D