2. 外语
  3. To see how people behave．根据题干中的layers of security approach定位到原文第二段第二句和第三句Other layers include checking identities，scanning peopl

To see how people behave．根据题干中的layers of security approach定位到原文第二段第二句和第三句Other layers include checking identities，scanning peopl

admin2009-08-19  70
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答案To see how people behave．
解析 根据题干中的layers of security approach定位到原文第二段第二句和第三句Other layers include checking identities，scanning people and their luggage and searching them at random．Another and increasingly important one is to see how people behave．题目问的是在不同层次的安保措施中，什么变得越来越重要。原文第二段第二句和第三句提到，安保措施的其他层次包括身份检查、人体扫描和行李扫描等，另一个越来越重要的层次是观察人们的行为举止。题干中的growing more important是对原文increasingly important的同义转述，故答案为to see how people behave。
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大学英语六级

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