2. 职称英语
  3. Today’s policemen in large cities throughout the world【C1】______on modem inv

Today’s policemen in large cities throughout the world【C1】______on modem inv

游客2023-07-24  33
问题     Today’s policemen in large cities throughout the world【C1】______on modem inventions to help them in their work. In most places motorcycles and police patrol(巡逻)cars have【C2】______away with the need to patrol a beat on foot or on horseback.  Policemen use telephones,【C3】______located throughout their districts, to make immediate【C4】______with headquarters.  Radio, television, and computers【C5】______to speed the work of the modern force. Even boats and helicopters are part of the【C6】______of metropolitan police departments.
    New technical inventions are widely used to【C7】______against crime and speed the solution of criminal cases. Electronic computers【C8】______from hours to minutes the time spent in searching for fingerprints. Witnesses【C9】______of a criminal are coded and fed into a computer. The machine then【C10】______through the picture file of known criminals and【C11】______the name and photograph of the most likely suspect. Lie detectors,【C12】______such evidence is acceptable, are used to【C13】______the truth.
    A criminal-identification tool in【C14】______in some places is the image reflector, or "image-maker". This machine【C15】______a picture of a face【C16】______a screen. A detective operates the machine to【C17】______the parts of the face to match those of the suspect【C18】______described by the witnesses. The final picture is then【C19】______and sent to police in other areas. Sometimes skilled sketch artists employed by police departments【C20】______oral descriptions into drawings of a suspect. [br] 【C12】
选项 A、that
B、where
C、which
D、when
答案 B
解析 结构衔接题。从本句的结构来看，空格所在分句好像是个非限制性定语从句，但从句的内容与lie detectors 无关，故可翘此分句是地点状语从句，由此可知，空格处应为地点状语从句的引导词where。
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