质量监督是政府行为,具有()。
A、科学性
B、公正性
C、权威性
D、公平性
参考答案:A, B, C
— It seems that Peter has nothing to do at the moment.
— Let me give him to read. [ ]
A.anything
B.something
C.everything
D.nothing
脓胸的病理病理变化过程可分为3个时期:()、()和()。