单选题Sometimes patrolling officers on buses are unnoticed because _____.Athey look like fare inspectorsBthey don’t wear uniformCthey are polite to passengersDthey often take a back seat
单选题
Sometimes patrolling officers on buses are unnoticed because _____.
A
they look like fare inspectors
B
they don’t wear uniform
C
they are polite to passengers
D
they often take a back seat
参考解析
解析：
细节题。由文章第三段第三句“Sometimes officers patrol out of uniform-one could be on your next bus”可知，警察们有时巡逻不穿制服，也许你在乘公车时，旁边坐的就是一个警察，B项正确，属于原文的同义转述。A项语意矛盾，Hiawatha轻轨上的检票员就是巡警；C、D项无中生有，在文中并没有提及。
细节题。由文章第三段第三句“Sometimes officers patrol out of uniform-one could be on your next bus”可知，警察们有时巡逻不穿制服，也许你在乘公车时，旁边坐的就是一个警察，B项正确，属于原文的同义转述。A项语意矛盾，Hiawatha轻轨上的检票员就是巡警；C、D项无中生有，在文中并没有提及。
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