硬脑膜外血肿表现最突出的意识改变是()
A.持续昏迷
B.有中间清醒期
C.昏迷逐渐加重
D.由清醒到昏迷
E.意识情况时好时坏
参考答案:B
Regulations of Customs duties on Imports and Exports of the People's Republic of China is one of the ______basis of the collection of the Customs duty.
A.legal
B.finacial
C.managerial
D.none of the above
按照我国《专利法》的规定,专利分为()三种
A.外观设计
B.改进完善
C.发明
D.实用新型