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  3. Bernard Jackson is a free man today, but he has many bitter memories. Jackson spent five years in prison after a jury wrongly co

Bernard Jackson is a free man today, but he has many bitter memories. Jackson spent five years in prison after a jury wrongly co

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问题    Bernard Jackson is a free man today, but he has many bitter memories. Jackson spent five years in prison after a jury wrongly convicted him of raping two women. At Jackson’s trial, al though two witnesses testified that Jackson was with them in another location at the times of the crimes, he was convicted anyway. Why? The jury believed the testimony of the two victims, who positively identified Jackson as the man who had attacked them. The court eventually freed Jackson after the police found the man who had really committed the crimes.
   Many factors influence the accuracy of eyewitness testimony. For instance, witnesses some times see photographs of several suspects before they try to identify the person they saw in a lineup of people. They can become confused by seeing many photographs of similar faces. The number of people in the lineup, and whether it is a live lineup or a photograph, may also affect a witness’s decision. People sometimes have difficulty identifying people of other races. The questions the police ask witnesses also have an effect on them.
   Many people believe that police officers are more reliable than ordinary people. Psychologists decided to test this idea, and they discovered that it is not true. Two psychologists showed a film of crimes to both police officers and civilians. The psychologists found no difference between the police and the civilians in correctly remembering the details of the crimes.
   Despite all the possibilities for inaccuracy, courts cannot exclude eyewitness testimony from a trial. American courts depend almost completely on eyewitness testimony to resolve court cases. Sometimes it is the only evidence to a crime, such as rape. Furthermore, eyewitness testimony is often correct. Although people do sometimes make mistakes, many times they really do identify in dividuals correctly.
   American courts depend on the ability of the twelve jurors, and not the judges, to determine the accuracy of the witness’ s testimony. It is their responsibility to decide if a certain witness could actually see, hear, and remember what occurred.
   In a few cases the testimony of eyewitnesses has convicted innocent people. More importantly, it has rightly convicted a larger number of guilty people; consequently, it continues to be of great value in the American judicial system.
An eyewitness’ testimony is sometimes inaccurate because______.
选项 A、he is of the same race as the suspect
B、he is shown photos of many similar faces
C、he lacks the professional help from the police
D、he has a small number of suspects in the lineup
答案B
解析 细节题。文章第二段第一句“Many factors influence the accuracy of eyewitness testimony.”很多因素影响目击证人证词的精确性。…因为看了很多相似面孔的照片，他们会变得困惑， 与B项“被展现很多相似面孔”表达相同意思，故选B。
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