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标题: 疑似鸡精逻辑No60的gwd原题 [打印本页]

作者: cui10226 时间: 2015-7-9 01:11
标题: 疑似鸡精逻辑No60的gwd原题
鸡精是这样的：
60.鱼被撞死
【原始】
Yangyangstrong 690 V36
有个船经常出没的地方，总有一种鱼被撞死，于是政府下令限速。有人反对说船减速的话，
螺旋桨的声音会变小，鱼就会听不见，所以只能更差。问削弱反对的人。
我选择的是研究表明这种鱼即使在螺旋浆有很大声音的时候也听不见。
【 Yves 分析】
反正声音很大了鱼都听不见，再减小还是听不见。题目很简单，狗主答案目测正确。研究表
明这种鱼即使在螺旋浆有很大声音的时候也听不见。

GWD

Manatees, aquaticmammals inhabiting Florida'srivers and coastal waters, swim close to the surface and are frequently killedin collisions with boats. To address the problem, boat traffic inmanatee-populated waters is being required to maintain very low speeds. Unfortunately, manatees are unable to hear low-pitched sounds and a boat'ssound lowers in pitch as the boat slows. Therefore, this approach may infact make things worse rather than better.

[hide=d10]Which of the following, if true, casts most doubt on the conclusion?
The areas where boats would have to maintain low speeds were decided partly on the basis of manatee-population estimates and partly from numbers of reported collisions between manatees and boats.
Because the water hyacinth that manatees feed on grows best in water that is nearly still, water hyacinth beds can be disturbed or damaged by fast-moving boat traffic.
Over the last several decades, boat traffic in Florida's coastal waters has been increasing almost continuously and now represents the greatest threat to the endangered manatee population.
The sound of a boat engine generally travels much further under water than it does through the air.
正确答案When experimenters exposed manatees to the recorded sounds of boats moving at various speeds, the creatures were unable to discern the sounds over normal background noise. [/hide]

作者: alex_nts 时间: 2015-7-9 01:27
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