质权与其担保的债权同时存在，债权消灭的，质权也消灭。
参考答案：对
What do you know about the woman [A] She has missed the match. [B] She likes to watch football match very much. [C] She doesn’t care about it.
级配碎石用作基层时，在高速公路、城市快速路和一级公路上，碎石的最大粒径不应超过（）mm。
A、50
B、40
C、30
D、20
