更多"Police uses dogs to track down esca"的相关试题:
[填空题]Police uses dogs to track down escaped prisoners because of dogs’______.
[单项选择]The police managed to ( ) down the criminal in a small town.
A. trace
B. track
C. pursue
D. search
[简答题]
Sir Richard Friend is a tough man to track down. Phone calls to his two labs at Cambridge University go unanswered, and so do e-mails. In the end, a reporter has to leave a note in his campus pigeonhole. The elusive Friend is the unlikely instigator of what may be a revolution in electronics: plastics. (46) Although most electronic devices make use of silicon chips, Friend sees a future in which mobile phones, TVs, watches, computers and other devices incorporate inexpensive plastic chips.
(47) Friend’s vision is based on his own discoveries, back in the ’80s and ’9Os, that plastics can be used to make transistors, the basic element of chips, and light-emitting diodes (LEDs), which glow when electricity passes through them. His work has already yielded a new generation of lighter, thinner, brighter, cheaper and more flexible electronic screens for everything from lightweight mobile phones to disposable "talking" electronic greetin
[简答题] Rapid Police Response
A
Police departments in the United States and Canada see it as central to their role that they respond to calls for help as quickly as possible. This ability to react fast has been greatly improved with the aid of technology. The telephone and police radio, already long in use, assist greatly in the reduction of police response time. In more recent times there has been the introduction of the "911" emergence system, which allows the public easier and faster contact with police, and the use of police computer system, which assist police in planning patrols and assigning emergency requests to the police officers nearest to the scene of the emergency.
B
An important part of police strategy, rapid police response is seen by police officers and the public alike as offering tremendous benefits. The more obvious ones are the ability of police to apply first-aid life-saving techniques quickly and the greater likel