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题库 / GMATLA-CR-121
Travel agents are market intermediaries who make their living by gathering, organizing, and dispensing information about travel-related services that is not readily available to most consumers. Through new information technologies, such as the internet, much of this information can now be made directly available to consumers. Demand for the services of travel agents will be drastically reduced.
Which of the following, if true, most seriously weakens the argument ?
Travel agents routinely use the internet and other new information technologies as sources for the information they obtain for their customers.
The amount of information available through the internet and other new information technologies is increasing faster than the capabilities of most consumers to process it.
Many people use travel-related services, such as airlines and hotels without consulting a travel agent .
The people who currently use the services of travel agents are also those most likely to gain access to new information technologies.
The internet and other new information technologies are currently used by a relatively small proportion of the population.
这题是由比较逻辑得出的因果结论。比较的是using travel agents vs. using new technologies, 差异：info not readily available vs. info directly available. 结论：consumers' demand for travel agents下降。削弱因果逻辑，找travel agents的好或者new tech的不好。B选项说的正好是new tech的劣势。E选项似乎也是说new tech的劣势，二者差异在于B是指new tech技术本身有缺陷，E是说new tech技术没问题普及度不高而已。先不纠结population和consumers的差异，单论削弱程度来说，B就比E强烈。B否定了新技术（没有存在的必要），E否定的是普及度（可以存在，仍需努力壮大）。BE区别老大了。
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