第7题: [单项选择]分电器断电器触点间隙值大约为()。 A. 0.15~0.25 B. 0.25~0.35 C. 0.35~0.45 D. 0.45~0.55 参考答案:C
第8题: [单项选择]According to the passage, the Wi-Fi standard 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. 参考答案:B 答案解析:[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