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  3. Amusement rides at permanent fairgrounds are dismantled once a year for safety i

Amusement rides at permanent fairgrounds are dismantled once a year for safety i

游客2025-02-26  9
问题 Amusement rides at permanent fairgrounds are dismantled once a year for safety inspections by independent consultants. Traveling fairs, which relocate each month, can slip past the net of safety inspections and escape independent inspection for several years. Therefore, the rides at traveling fairs are less safe than the rides at permanent fairs. Which of the following, if true about traveling fairs, most seriously weakens the argument?
选项 A、Before each relocation, the operators dismantle their rides, observing and repairing potential sources of danger, such as worn ball bearings.
B、Their managers have less capital to spend on the safety and upkeep of the rides than do managers of permanent fairs.
C、Since they can travel to new customers, they rely less on keeping up a good reputation for safety.
D、While they are traveling, the fairs do not receive notices of equipment recalls sent out by the manufacturers of their rides.
E、The operators of the rides often do not pay careful attenlion to the instructions for operating their rides.
答案 A
解析 本题为反对题型，要找出一个选项来削弱结论“在流动型赛马场骑马比在永久型赛马场骑马更加危险”，因此选项应与“是否危险有关”。(A)说明流动型赛马场在每次迁徙前，管理员都检查潜在危险并加以修复，从而使危险降低，明显削弱了结论；(B)易误选，但选(B)肯定犯了递进推理错误，认为资金多危险就小；(C)、(D)与“是否危险”无关；(E)泛泛地指出骑乘的管理员易忽视什么，但并未指出“流动型赛马场与永久型赛场的区别”，因此也不能构成解释。
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