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职称英语理工类考试考前每日一练 Car Thieves Could Be Stopped Remotely Speeding off in a stolen car.the thief thinks he has got a great catch.But he is in a nasty surprise.The car is fitted with a remote immobilizer，and a radio signal from a control center miles away will ensure that onee the thief switches the engine____，he will not be able to start it again. For now，such devices____only available for fleets of trucks and specialist vehicles used on construction sites.But remote immobilization technology could soon start to trickle down to ordinary cars.and____be available to ordinary cars in the UK____two months. The idea goes like this.A control box fitted to the ear incorporates____miniature cellphone，a microprocessor and.memory,and a GPS satellite positioning receiver.____the car is stolen，a coded cellphone signal will tell the unit to block the vehicle，s engine management system and prevent the engine____restarted. There are even Dlans for immobilizers____shut down vehicles on the move，though there are fears over the safety implications of such a system. In the UK。an array of technical fixes is already makin9____harder for car thieves.The pattern of vehicles crime has ehanged，says Martyn Randall of Thatcham.a security research organization based in Berkshire that is funded in part____the motor insurance industry. | 
