在奴隶社会和封建社会中,警察职能只能由审判机关.行政机关的官吏分别掌管。 ( )
参考答案:错
解析:在奴隶社会和封建社会中,警察职能是由军队、审判机关、行政机关的官吏分别掌管的。
There was a _____ look on his face. He found what the expert said too difficult to understand. [ ]
A. puzzle
B. puzzling
C. puzzled
D. to puzzle
肺灌注显像呈非节段性缺损,且其他显像基本匹配()
A.肺栓塞可以排除
B.肺栓塞的可能性很小
C.肺栓塞只有中等可能性或难以判定
D.肺栓塞可能性较大
E.肺栓塞可能性很高