以下药物组成中含有桂枝的方剂有（）。
A.五苓散
B.桃核承气汤
C.九味羌活汤
D.独活寄生汤
E.炙甘草汤
参考答案：A, B, E
进料流速变化对PSA有何影响？
An entry made to record an accrual, such as bad debt expense, that is not yet reflected in the accounting system is best described as a(n):（）
A. ledger entry.
B. adjusting entry.
C. trial balance entry.
