共用题干 GPS Child Locator Lets Parents Know Their WhereaboutsChildren may not like it but a British technology finn has invented an electronic babysitter 一a wristwatch-likedevice 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.______________(46)"It tracks your child.""It only starts working when the device is connected to the child'5 wrist,"Salmon said,"and is very difficult to get off."______________(47)"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.______________(48)" 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.______________(49)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. _____________(50) ________(46)
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(threemeters),"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.正确答案D