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  3. At first, the new lightweight drill has been invented to We can infer from the passage that the patent of the drill is held by

At first, the new lightweight drill has been invented to We can infer from the passage that the patent of the drill is held by

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问题 At first, the new lightweight drill has been invented to
We can infer from the passage that the patent of the drill is held by
选项 A、NASA.
B、Dr. Yoseph Bar-Cohen.
C、NASA’s Jet Propulsion Laboratory.
D、Cybersonics Incorporated in Erie, Philadelphia.
答案A
解析 推理判断题。第三段最后一句指出"对NASA而言，除了该项技术眼前的利益外，它还为正在实验室和其他地方研发的其他独特机械铺垫了道路"。既然NASA是该项技术的既得利益者，这说明 NASA对该项技术拥有所有权，故可推出正确选项。本文第三段提到"Dr. Yoseph Bar-Cohen，who leads NASA’s Jet Propulsion laboratory’s Nondestructive Evaluation and Advanced Actuator Technologies unit"，这里只提到了Dr. Yoseph Bar-Cohen是NASA喷气推进装置实验室的组长，无法推出其拥有新型钻孔机的所有权，故其他选项不正确；显然"NASA喷气推进装置实验室"也不是该项技术的所有者；"Cybersonics Incorporated in Erie，Philadelphi"在文中没有提到，更无法推出其是新型钻孔机的所有者。
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