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    2．Law enforcement agencies across the United States are using cameras to take pictures of automobile license plates．The idea is to build a computerized collection of information detailing the daily travel of millions of Americans．
          Detective Mohammed Tabibi uses a license plate reader，also known as a LPR to look for stolen vehicles．"It has somewhat paid．We have caught some people involved in some serious crimes because of the LPR，"said Tabibi．
          The use of LPRs is growing across the United States．Some are fixed to poles along Roadsides，others are placed in law-enforcement vehicles．Privacy groups are concerned about the growing use of these devices．Jay Stanley is with the American Civil Liberties Union  （ ACLU）．"What they  are  also doing  is  storing everybody's time，place，and  location．And  many police departments are holding that information indefinitely．You know in our society，the government doesn't follow you and invade your privacy and track you unless it has a specific  reason that you are involved in wrongdoing，"said Stanley．
          Kevin Rearden served as Captain of the Arlington county Police，who also headed the county's Homeland Security Department before he retired．He said county policy called for the  LPR information to be kept for six months．"We originally had a two-month period，and the  detectives requested the chief extend it to six months because they found in so many investigations，keeping it for two months wasn't long enough，"said Rearden，"but other law  enforcement agencies that use the information may store it for unlimited periods of time．"
         Supporters of privacy rights say they have no problem with police departments taking pictures of license plates to investigate crimes．But Jay Stanley says they're against storing the  information for long periods of time．
         However，Captain Rearden disagrees，"They  keep saying the word'tracking'．I would be  lucky if I could find you in a few places in Arlington at a particular time．By no stretch of the  imagination would I be able to track you．"

    56．What does the text mainly tell us？A
    A．The use of LPRs is controversial．
    B．Privacy protection is important．
    C．LPRs help investigate crimes．
    D．ACLU is involved in wrongdoing．
    57．The function of a LPR itself is toB
    A．give directions                          
    B．take pictures
    C．identify location                        
    D．analyze information
    58．Jay Stanley agrees thatB
    A．tracking people all the time costs too much
    B．using LPRs is likely to invade one's privacy
    C．police are not allowed to store private information
    D．every citizen is supposed to support the government
    59．How long was the LPR information kept in the beginning？A
    A．Two months
    B．Six months．
    C．Two years
    D．Unlimited periods of time．
    60．According to the last paragraph，Kevin Rearden thinks thatA
    A．tracking is almost impossible
    B．imagination never ends
    C．he is lucky to live in Arlington
    D．time and place are both important in tracking．

    分析 目前在美国一些执法机构使用车牌识别器来追踪罪犯，然而这种仪器能记录上百万美国人的日常出行，它的使用引发了人们对隐私问题的担忧和争议．

    解答 56．A．主旨大意题．阅读全文可知，车牌识别器能记录上百万美国人的日常出行，它的使用引发了人们对隐私问题的担忧，是有争议的，这是文章所传达的主要内容．故选A．
    57．B．细节理解题．根据第一段中的"Law enforcement agencies across the United States are using cameras to take pictures of automobile license plates"可知，车牌识别器的基本功能是拍照．故选B
    58．B．细节理解题．根据第三段中Jay Stanley的话可知，他们存有每个人出行的时间、地点和位置，而且很多警署无限期地保存这些信息．而在美国，除非行为不当，政府是不会监视你，侵犯你的隐私或对你进行跟踪的，所以Jay Stanley认为使用车牌识别器可能会侵犯个人隐私．故选B．
    59．A．细节理解题．根据第四段中的"We originally had a two-month period，and the detectives requested the chief extend it to six months"可知，最初信息被保存两个月，后来延长至六个月．故选A．
    60．A．细节理解题．根据最后一段中Captain Rearden的话可知，刻意在警局服务器上搜索某人，并不能对其进行跟踪．如果能在某个特定时间，在某些地方找到某人的踪迹，那是因为运气好．所以Captain Rearden认为跟踪几乎是不可能的．故选A．

    点评 本篇文章主要是细节理解方面的题型，需要考生通过跳读迅速找到对应的句子进行详细理解，句子的理解可以结合上下文意思，通过逻辑推理得到．

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