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题库 / GMATLA-CR-24
Driving the steep road to the mountaintop Inca ruins of Machu Picchu is potentially dangerous and hiking there is difficult. Now the Peruvian government is installing a cable car that will make access much easier, and hence result in a large increase in tourism. However, since the presence of large numbers of tourists tends to accelerate the deterioration of a site, installation of the cable car is certain to result in harm to the ruins.
Which of the following, if true, most seriously calls into question the argument?
The daily number of tourists that are expected to take the cable car to Machu Piccu is smaller than the original resident population of Incas.
The construction of the cable car terminal at Machu Picchu will require the use of potentially damaging heavy machinery at the site.
Machu Picchu is already one of the most popular tourist sites in Peru.
Natural weathering will continue to be a more significant cause of the deterioration of Machu Picchu than tourist traffic.
The cable car will replace the tour buses whose large wheels and corrosive exhaust at present do significant damage to the site.
建了缆车后人多了---景区被破坏
削弱
B 建造缆车要要用到可能有危害的机器，无关，需要削弱的是建缆车后人多了的破坏，这里是建缆车的时候的破坏
C 干扰项，MP已经是人最多的景点，但是建了缆车人更多了不可否认会造成破坏
D 无关，其他会造成破坏并不能否认建缆车后人更多会造成破坏
E 缆车取代了会造成环境破坏的bus。削弱的是installation of the cable car is certain to result in harm to the ruins。
错因;脑海里一致在找削弱：因为人多了---造成破坏，这个逻辑链，应该削弱的点是：因为有缆车后人增加会破坏环境---所以有缆车一定会破坏环境，这个逻辑链。
好像有的题说xxx药有副作用，所以不能用这个药，答案是（虽然这个药肯定有副作用，但是没有比这个药更好的药了）这题也是这样，有缆车会造成人数增多破坏环境是前提，是事实，不要去反驳他，要反驳的是逻辑链！！！！
正确
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