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  3. Your camera is snatched. Will you ever see it a-gain? Probably not. But it may send postcards from its new owner. The【C1】_______

Your camera is snatched. Will you ever see it a-gain? Probably not. But it may send postcards from its new owner. The【C1】_______

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问题     Your camera is snatched. Will you ever see it a-gain? Probably not. But it may send postcards from its new owner. The【C1】________of recovery of lost or stolen cameras have improved【C2】________newer devices combined with online photo-sharing services create a digital track one can【C3】________with the right tools.
    Dozens of cameras from major manufacturers【C4】________the serial number found on a camera’s body into its software as well. The serial number is then included in the metadata with which every picture taken by the camera is tagged. When a photo is uploaded at sites like Flickr, they can; therefore, be【C5】________and indexed. Mr. Westin’s company, which makes the Gadget-Trak theft-recovery applications, has begun to create a searchable image database for lost cameras. When the owners upload the tagged photos they provide the【C6】________link. Once the database is established, the company will compare it with that of a list of missing serial numbers【C7】________by police.
    Of course, even if a camera’s serial number crops up,【C8】________the device’s current location need not be【C9】________. However, there is also good news: posted pictures may give clues【C10】________its current location. Even more helpfully, more and more cameras now come【C11】________a GPS receiver for inserting geographical coordinates into a picture’s metadata. Flickr won’t show the uploading account holder such information【C12】________a user explicitly permits it. Photos posted in other ways,【C13】________, may leak this information more casually. With enough such【C14】________, police could ask a photo service or obtain a(n)【C15】________to retrieve location data stored in the user’s account.
    Mr. Westin says that photographers can examine an image taken by their camera【C16】________losing it and extract the serial number. He wants to release a tool to make this【C17】________. All this is, of course, a double-edged【C18】________. Any information that helps find stolen【C19】________may also be used to track camera owners’ activities. Tools to【C20】________such data before photos are uploaded to the internet are available. And thieves know it.
【C4】
选项 A、divide
B、pose
C、embed
D、write
答案C
解析 上文提到新的相机设备配合在线图片共享服务能创建可跟踪的电子轨迹。这里讲到追踪的原理，下文说该序列号被包含在元数据里，只要照相就会被贴上标签，有助于追踪。可推断相机将机身上的序列号也嵌入到机身软件里，故选C项embed“嵌入”。序列号是追踪相机下落的重要线索，不可能把它分开来，A项divide“分开”错误。而且divide一般指将一群体、整体分成几个小的群体或部分。B项pose一般指提出(问题、建议等)或造成 (威胁)，此处的宾语为the serial number，无法构成搭配。D项write“书写”一般是写在纸上，而这里是要将序列号“写入”软件当中，范畴不一样。
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