储蓄会计凭证的传递，必须做到准确及时、手续严密、______、______。
参考答案：先外后内 先急后缓
. --- My teacher told me just now that I passed the test!
--- ______.
A．Go ahead
B．At your pleasure
C．I’m so glad for you
D．with pleasure
经高压蒸气灭菌的物品一般可保留
A．5天B．7天C．10天D．14天E．21天
