“积极参与企业管理，行使民主权利，提出合理化意见和建议”是员工的基本职责之一。
参考答案：对
---It’s a long time _____ I saw you last.
---Yes, and what a pity it is now that it will be a long time _______ we see each other again.
A．before; since
B．since; when
C．since; before
D．when; before
简述伤口压迫止血法适应证。
