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单选题
Only one of the following statements is true, according to what was said. Which one is it?
A
The approaches of the three researchers are quite different.
B
The three researchers’ approaches are all based on detecting imperfections in the print quality of documents.
C
Old-school forensic scientists were unable to trace documents to particular typewriters based on quirks of the individual keys.
D
The researchers from Purdue believe the perfect pieces of engineering leave unique patterns of banding in their products.
参考答案
参考解析
解析：
录音首句便指出虽然三位研究人员所采取的方法有稍微的不同，但是“all are based on detecting imperfections in the print quality of documents”，因此选项B与录音内容相符。
【录音原文】
Though the approaches of the three researchers differ slightly, all are based on detecting imperfections in the print quality of documents. Old-school forensic scientists were—at least so the movies would have you believe—able to trace documents to particular typewriters based on quirks of the individual keys. The researchers from Purdue employ a similar approach, exploiting the fact that the rotating drums and mirrors inside a printer are imperfect pieces of engineering which leave unique patterns of banding in their products.
录音首句便指出虽然三位研究人员所采取的方法有稍微的不同，但是“all are based on detecting imperfections in the print quality of documents”，因此选项B与录音内容相符。
【录音原文】
Though the approaches of the three researchers differ slightly, all are based on detecting imperfections in the print quality of documents. Old-school forensic scientists were—at least so the movies would have you believe—able to trace documents to particular typewriters based on quirks of the individual keys. The researchers from Purdue employ a similar approach, exploiting the fact that the rotating drums and mirrors inside a printer are imperfect pieces of engineering which leave unique patterns of banding in their products.
更多 “单选题Only one of the following statements is true, according to what was said. Which one is it?A The approaches of the three researchers are quite different.B The three researchers’ approaches are all based on detecting imperfections in the print quality of documents.C Old-school forensic scientists were unable to trace documents to particular typewriters based on quirks of the individual keys.D The researchers from Purdue believe the perfect pieces of engineering leave unique patterns of banding in their products.” 相关考题
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