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  3. GPS Child Locator Lets Parents Know Their Whereabouts Children may not like it but a British technology firm has invented an

GPS Child Locator Lets Parents Know Their Whereabouts Children may not like it but a British technology firm has invented an

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问题                 GPS Child Locator Lets Parents Know Their Whereabouts
    Children may not like it but a British technology firm has invented an electronic babysitter—a wristwatch-like device that lets parents know where their children are at all times.
    The GPS Child Locator attaches firmly to a child ’ s wrist and contains a Global Positioning System(GPS), said Matthew Salmon, a spokesman for the manufacturer.【B1】______"It tracks your child. "
    " It only starts working when the device is connected to the child’ s wrist, " Salmon said, " and is very difficult to get off. "【B2】______"It would give you a Google Maps image with their exact location, the street name and the zip code. "
    When a child is wearing the device, a parent sends the text message "where are you" and the child’ s current location is sent back to a mobile phone or computer.【B3】______
    " You can also set up a perimeter(界限), an invisible fence, and if they wander out of this invisible fence which you put on the Internet it will warn you, " Salmon said.【B4】______
    Salmon said the device is waterproof and shockproof and lasts for three days with a full charge. It will be available in both Britain and the United States this year and retails for 200 dollars with a 10 dollar a month subscription(订阅)fee.
    He said the company had received thousands of inquiries about the device since launching it this week. "Fifty percent are positive, 50 percent are negative, that it’ s a bit Big Brotherish(干涉人身自由的), " he said.【B5】______
A. "It will text you immediately.
B. Double fixing devices easy to handle.
C. Parents can also log on to the company website to discover their child’ s present location.
D. " It uses GPS and GSM(Global System for Mobiles)technology with an accuracy of 10 feet(three meters), " he said.
E. "But it’ s really just about letting you have freedom of mind.
F. "Even if the child managed to get it off it would send an emergency text message through to your mobile phone, " he said.
【B4】
选项
答案A
解析 空格位于段末，根据空格前的内容“你也可以设置一个界限，一个隐形防护网，如果他们踏出你在互联网上的这个无形的栅栏，你就会收到警告”，可知选项A最符合逻辑。
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