游离性胸膜腔积液在胸部摄片上就可见到，一般体积应为（）
A.10ml
B.30ml
C.100ml
D.200ml
E.300ml
参考答案：E
— What a nice dress! It fits you well.
— Thank you. It ______ me seven hundred yuan. I like its design.
A．paid
B．spent
C．took
D．cost
简述药品的三级库房管理是怎样操作的？
