罗马法反映了在简单商品经济基础上产生的______概念,孕育当时新的生产关系所欲求的民主与法制。( )
A. * *
B.私有权
C.主权
D.公正
参考答案:B
---Where were you when I called at your house this morning?
---Oh, I_____ for a friend from Tokyo at the airport.
A.had waited
B.am waiting
C.have waited
D.was waiting
一般相对分子质量大于多少的药物,药物不能透过皮肤()
A.600
B.1000
C.2000
D.3000
E.6000