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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.
Eyewitness testimony is vital because______.
选项 A、it can be relied on to detect criminals in all cases
B、it is sometimes the only way to resolve court cases
C、it is sometimes the only clue for police investigation
D、it is more reliable than physical evidences to a crime
答案B
解析 细节题。文章第四段第二句提到“American courts depend almost completely on eyewitness testimony to resolve court cases．Sometimes it is the only evidence to a crime．such as rape．”美国法院几乎完全依靠目击证人来处理案件。有时候目击证人是唯一的证据，例如强奸，与B项“有时候它是协助案件 破解的唯一途径。”表达相同的意思，故选B。
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