2013年职称英语考试完形填空必背解题技巧_职称英语经验交流

2013年职称英语考试完形填空必背解题技巧

　　For now, such devices are 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 are be available to ordinary cars in the UK in two months.

　　The idea goes like this. A control box fitted to the car incorporates a miniature cellphone, a microprocessor and memory, and a GPS satellitepositioning receiver. If the car is stolen, a coded cellphone signal will tell the unit to block the vehicles engine management system and prevent the engine being restarted.

　　There are even plans for immobilizers that 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 making life harder for car thieves. The pattern of vehicles crime has changed, says Martyn Randall of Thatcham, a security research organization based in Berkshire that is funded in part by the motor insurance industry.

　　He says it would only take him a few minutes to teach a novice how to steal a car, using a bare minimum of tools. But only if the car is more than 10 years old.

　　Modern cars are a far tougher proposition, as their engine management computer will not allow them to start unless they receive a unique ID code beamed out by the ignition key. In the UK, technologies like this have helped achieve a 31 per cent drop in vehicle-related crime since 1997.