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Wireless technology is introduced as According to the passage, the Wi-Fi standard

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问题 Wireless technology is introduced as
According to the passage, the Wi-Fi standard
选项 A、is based on the conventional wisdom.
B、adopted an unlicensed part of the spectrum.
C、relies on the standards by the giant corporations.
D、is created solely by some geeks.
答案B
解析 事实细节题。本文前三段已经设题，本题定位时注意浏览最后两段内容。由题干中的Wi-Fi和standard定位至该段倒数第二句。在前面对Wi-Fi进行了介绍之后，该句指出了研究人员对其设定的标准，其中exploiting an unlicensed port of the spectrum与答案选项为同义替换，故为答案。文中首句提到conventional wisdom，但这与倒数第二句中提到的标准无关；第二句提到standards adopted by the giant corporations，从第三句可知Wi-Fi没有采取该标准，而是制定了一个新标准；文中没有提到geeks(奇怪的人)。
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