【单选题】患者,男,24岁。因胫骨干骨折行持续性骨牵引。针对该患者的护理措施,下列不正确的是
【判断题】具有物权凭证作用的单据只有提单。 ( )
【单选题】科学家最近制得了一种新型的氧分子O 4 ,下列叙述正确的是( )
【单选题】The function of legal systems according to the passage is______.
A.
to control violence within a society
B.
to protect the world from chaos
C.
to free society from the idea of revenge
D.
to give the government absolute power
【单选题】According to conflict theorists, social control agents and systems are ______.