TCP/IP协议模型分几层？是哪几层？
参考答案：
TCP/IP协议模型分4层，它们从上到下分别是：应用层、传输层、互联网层和网络接口层。
下列费用可以列作待摊费用的有（）。
A.预付保险费
B.预提固定资产的租金
C.交纳的印花税
D.固定资产修理费
E.出借、出租包装物的摊销
A seaman has a small，gaping laceration of the arm that is not bleeding excessively. What can be done as an alternative to suturing to close the wound?（）
A.Wrap a tight bandage around the wound
B.Apply a compression bandage
C.Use temporary stitches of sail twine
D.Apply butterfly strips，then a sterile dressing
