单选题The purpose of installing a camera inside the new buses is to _____.Akeep a close watch over the road aheadBtake pictures of the passengers on boardCincrease the efficiency of the transit systemDhelp the transit police detect criminals
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。
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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