乡里制
参考答案:
宋承前朝行乡里制,人们籍贯往往包括州县乡里。南宋时,因实行保甲制,有的地方取消里,改为乡都(都保)两级,有的地区都与里并行,有的地区仍然维持乡里制。
Jim _____ the army in 2003. He ____ soldier for 3 years.[ ]
A. has been; joined
B. joined; has been
C. joined; joined
D. has been; has been
开胸手术时若患者仍保留自主呼吸,不会发生下列哪项病理生理改变
A.反常呼吸B.纵隔移位C.纵隔摆动D.通气/血流比值增加,致肺内分流E.心排血量降低