2. 外语
  3. 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

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

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问题               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 (使车辆不能调动的装置), and a radio signal from a control center miles away will ensure that once the.thief switches the engine(1), he will not be able to start it again.    For now, such devices(2)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(3)be available to ordinary cars in the UK(4)two months.    The idea goes like this. A control box fitted to the car incorporates(5)miniature cellphone, a microprocessor and memory, and a GPS satellite positioning receiver.(6)the car is stolen, a coded cellphone signal will tell the unit to block the vehicle’s engine management system and prevent the engine(7)restarted.     There are even plans for immobilizers(8)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(9)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(10)the motor insurance industry.    He says it would only take him a few minutes to(11)a novice how to steal a car, using a bare minimum of tools. But only ifthe caris more than 10 years old.    Modem cars are a far tougher proposition, as their engine management computer will not(12)tthem to start unless they receive a unique ID code beamed out by the ignition key. In the UK, technologies like this(13)achieve a 31 per cent drop in vehicle-related crime since 1997.    But determined criminals ore still managing to find other ways to steal cars. Often by getting hold of the owner’s keys in a burglary. In 2000, 12 per cent of vehicles stolen in the UK were taken using the owner’s keys double the previous year’s figure.    Remote-controlled immobilization system would(14)a major new obstacle in the criminal’s way by making such thefts pointless. A group that includes Thatcham, the police, insurance companies and security technology finns have developed standards for a system that could go on the market sooner than the(15)expects.    immobilizer n. 使车辆不能调动的装置    trickle v.慢慢移动    cellphonen.移动电话，手机    immobilization n.使车辆不能调动    ignition n.点火    burglaryn.夜窍行为；盗窃  
选项 A、have helped’
B、helped
C、had helped
D、was helped
答案A
解析 备选项表示考点是时态，因此注意句子中的时间状语(since 1997)，该时间状语表明应该用现在完成时态，因此答案是A。
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