攻破新GRE逻辑阅读NO.6

　　编辑点评： 新版GRE考试的考生都觉得语文部分的题难了，这主要是由于新GRE逻辑阅读部分的内容考生还是有点不习惯，或是没有准备充足。本文为大家整理一些新GRE逻辑阅读的练习题，希望考生能从平日的练习中总结规律，找到解题技巧。

　　When a driver is suspected of having had too much to drink, testing the driver s ability to walk a straight line gives a more reliable indication of fitness to drive than does testing the driver s blood-alcohol level.

　　Which of the following, if true, best supports the claim made in the statement above?

　　Not all observers will agree whether or not an individual has succeeded in walking a straight line.

　　Because of genetic differences and variations in acquired tolerance to alcohol, some individuals suffer more serious motor impairment from a given high blood-alcohol level than do others.

　　Tests designed to measure blood-alcohol levels are accurate, inexpensive, and easy to administer.

　　More than half the drivers involved in fatal accidents have blood-alcohol levels that exceed the legal limit, whereas in less-serious accidents the proportion of legally intoxicated drivers is lower.

　　Some individuals with high blood-alcohol levels are capable of walking a straight line but are not capable of driving safely.