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题目内容 (请给出正确答案)
单选题
The purpose of installing a camera inside the new buses is to _____.
A

keep a close watch over the road ahead

B

take pictures of the passengers on board

C

increase the efficiency of the transit system

D

help the transit police detect criminals


参考答案

参考解析
解析:
细节题。根据题干信号词installing a camera可定位到第四段第二句。该句指出“Video-tapes from these cameras help Transit Police identify and charge criminals”,摄像头可以帮助警察辨认、控告罪犯,D项是对文中identify and charge criminals的同义转述,符合题意。A、B、C项均属于无中生有,文中没有提及。
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