2. 外语
  3. Car Thieves Could Be Stopped Remotely(遥远地) Speeding off(超速行驶)in a stolen car, the thief thinks he has got a great catch. But

Car Thieves Could Be Stopped Remotely(遥远地) Speeding off(超速行驶)in a stolen car, the thief thinks he has got a great catch. But

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问题             Car Thieves Could Be Stopped Remotely(遥远地)
    Speeding off(超速行驶)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【C1】______, he will not be able to start it again.
    For now, such devices【C2】______only available for fleets of trucks and specialist vehicles used on construction sites. But remote immobilization(使车辆不能调动)technology could soon start to trickle(慢慢地移动)down to ordinary cars, and【C3】______be available to ordinary cars in the UK 【C4】______two months.
    The idea goes like this. A control box fitted to the car incorporates【C5】______miniature cell-phone(移动电话，手机), a microprocessor and memory, and a GPS satellite positioning receiver. 【C6】______the car is stolen, a coded cellphone signal will tell the unit to block the vehicle’s engine management system and prevent the engine【C7】______restarted.
    There are even plans for immobilizers【C8】______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【C9】______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【C10】______the motor insurance industry.
    He says it would only take him a few minutes to【C11】______a novice(新手, 初学者)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(艰苦的)proposition(任务), as their engine management computer will not【C12】______ them to start unless they receive a unique ID code beamed out by the ignition(点火)key. In the UK, technologies like this【C13】______achieve a 31 percent drop in vehicle-related crime since 1997.
    But determined criminals are still managing to find other ways to steal cars. Often by getting hold of the owner’s keys in a burglary(盗窃). In 2000, 12 percent of vehicles stolen in the UK were taken using the owner’s keys double the previous year’s figure.     Remote-controlled immobilization system would【C14】______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 firms have developed standards for a system that could go on the market sooner than the【C15】______expects.
【C13】
选项 A、have helped
B、helped
C、had helped
D、was helped
答案A
解析 本句最后为since 1997，因此要用完成时态，全文讲的是现在的事情，因此用现在完成时，故A项have helped正确。此句意为：自1997年以来，在英国，此项技术已经帮助破获了31％的涉及车辆犯罪案。故本题选A。
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本试题收录于： 职称英语卫生类C级题库职称英语分类
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