【OG24-708题】A company has developed a new sensing device that, according to the company's claims, detects weak, ultralow-frequency electromagnetic signals associated with a beating heart. These signals, which pass through almost any physical obstruction, are purportedly detected by the device even at significant distances. Therefore, if the company’s claims are true, their device will radically improve emergency teams ability to locate quickly people who are trapped within the wreckage of collapsed buildings. Which of the following, if true, most strengthens the argument?_mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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A company has developed a new sensing device that, according to the company's claims, detects weak, ultralow-frequency electromagnetic signals associated with a beating heart. These signals, which pass through almost any physical obstruction, are purportedly detected by the device even at significant distances. Therefore, if the company’s claims are true, their device will radically improve emergency teams ability to locate quickly people who are trapped within the wreckage of collapsed buildings.

Which of the following, if true, most strengthens the argument?

People trapped within the wreckage of collapsed buildings usually have serious injuries that require prompt medical treatment. The device gives a distinctive reading when the signals it detects come from human beings rather than from any other living beings. Most people who have survived after being trapped in collapsed buildings were rescued within two hours of the building's collapse. Ultralow-frequency signals are not the only electromagnetic signals that can pass through almost any physical obstruction. Extensive training is required in order to operate the device effectively.

正确答案： B

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题干翻译
一种设备能检测与心脏跳动相关的超低频电磁信号，这些信号几乎能穿过任何物理障碍物，据说该设备在很远距离也能检测到。因此，如果公司说法属实，其设备将极大提升应急团队快速定位被困在倒塌建筑废墟中人员的能力。 逻辑链
Device detects signals → Improve locate ability 问题类型
增强题 推理过程
论点是设备能极大提升定位被困人员能力，论据是设备能检测特定信号且信号可穿透障碍物、远距离检测。需要找一个选项能进一步支持设备能更好实现定位被困人员这一论点。 选项分析
A选项：被困人员通常伤势严重需及时医疗救治。说的是被困人员的伤势情况，和设备能否提升定位能力无关，排除。 B选项：该设备在检测到来自人类而非其他生物的信号时会给出独特读数。这就确保了检测到的信号就是来自被困人员的，增强了设备定位被困人员的有效性，当选。 C选项：大多数被困人员在两小时内获救。讨论的是被困人员的获救时间，不是设备定位能力，排除。 D选项：超低频信号不是唯一能穿透障碍物的电磁信号。这与该设备能否提升定位被困人员能力没有直接联系，排除。 E选项：有效操作该设备需要大量培训。说的是设备操作的培训要求，和设备提升定位能力无关，排除。

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