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  3. Could your smartphone prevent a car from hitting you? General Motors and other researchers think that’s a possibility【C1】_______

Could your smartphone prevent a car from hitting you? General Motors and other researchers think that’s a possibility【C1】_______

admin2023-01-04  59
问题     Could your smartphone prevent a car from hitting you? General Motors and other researchers think that’s a possibility【C1】________an emerging wireless standard works its way into the latest smartphones and new cars.
    First seen in 2010, Wi-Fi Direct【C2】________ultrafast device-to-device connections over the same radio waves that smartphones, computers and other electronics currently use to connect to routers and home networks. The【C3】________here is that unlike your application-enabled television, Wi-Fi Direct doesn’t【C4】________the Internet. Rather, it’s【C5】________connect local devices directly to each other【C6】________ as little as a second, and unlike Bluetooth, the connection doesn’t require special pass keys and works at more than double the【C7】________, at about 656 feet apart. GM says future cars could【C8】________pedestrians carrying Wi-Fi Direct smartphones, gather their【C9】________locations and warn the driver through existing active safety systems such as forward collision【C10】________and auto-braking.
    Wi-Fi Direct is one part of GM’s research on vehicle-to-vehicle and vehicle-to-infrastructure【C11】________in which both cars and roadways become【C12】________aware and adaptive to real-time information. More and more automakers, such as BMW and Hyundai, use a subscription-based 3G cell network to connect a car’s information & enter【C13】________searches. A few automakers, such as Ford and
    Audi,【C14】________wireless hotspots that allow full【C15】________to the Internet from any mobile device. By 2015, Ford said it【C16】________80 percent of the vehicles it sells in North America to have a Wi-Fi connection.
    Wi-Fi Direct currently allows file【C17】________between two electronic devices【C18】________having to pair them. If the technology becomes popular and【C19】________it could pull the market away from Bluetooth, the short-range wireless standard for in-car telephone calls and portable audio. With Bluetooth, there isn’t one【C20】________way to connect a device—and many times, as we’ve often found, it still doesn’t work. According to data from the National Highway Traffic Safety Administration, nearly 4,900 pedestrians and cyclists were killed by cars last year, for which data were available.
【C8】
选项 A、realize
B、identify
C、detect
D、classify
答案C
解析 填入的动词应表明未来的汽车与使用具有Wi-Fi Direct的手机的行人之间的关系。第一段谈到手机有可能阻止车祸的发生，而未来汽车只有先检测到有使用Wi-Fi Direct标准的智能手机的行人，才可能防止车祸。用C项detect“侦查，检测”。A项realize“明白，意识”代入后表明未来汽车能明白行人，句子逻辑不对。汽车只能检测到附近有人，而无法辨别具体是谁，因此需排除B项identify“辨认，认出”。D项classify意为“分类”，但上下文没有相关的语义提示。
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