人民警察的义务直接决定于( )。
A.国家的制度
B.国家的任用行为
C.《人民警察法》
D.公安机关工作性质
参考答案:B
解析: 国家的任用行为直接决定了人民警察的义务。
倾斜床站立训练的优点之一是调节血管紧张性,其目的是为了()
A.利于患者呼吸
B.防止直立性低血压
C.预防压疮
D.预防静脉血栓
E.增加腹压利于排便
---I hear Huang Gang made an English speech at his graduation ceremony yesterday.
--- ________, and ________.
A.So he did, so did I
B.So did he, so I did
C.So he was, so was I
D.So was he, so I was