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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  45
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.
【C12】
选项 A、occasionally
B、fully
C、vaguely
D、remarkably
答案B
解析 此处需要一个表程度的副词修饰aware，表明对汽车和路面状况了解的情况。B项fully“完全地”代入后指最大程度地了解车辆与道路的各方面信息。如果只是“偶尔地”(A项occasionally)获取车辆和道路的信息，就不能获取“实时信息”(real-time information)。如果是“模糊地”(C项vaguely)了解信息，则不能达到交流信息的目的。D项remarkably “显著地”代入句中句意不通。
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