价格鉴证的过程必须保持()。
A.公开
B.公平
C.公正
D.客观
E.独立
参考答案:C, D, E
Jenny can__________, and she wants to join the music club. [ ]
A. dance good
B. sing good
C. paint well
D. sing well
“亲亲相隐”原则是( )在法律上确定下来的。
A.春秋时期
B.汉朝
C.唐朝
D.明朝