搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

初产妇，25岁，足月临产11小时，胎心140次/分，宫口开大5cm。2小时后再次肛查，宫口扩张无进展，该产妇最可能的情况是（）

A.滞产

B.活跃期停滞

C.潜伏期延长

D.活跃期延长

E.第二产程延长

答案

参考答案：B

多项选择题

进出口货物纳税义务人在海关依法责令其提供纳税担保，而纳税义务人不能提供纳税担保的，经直属海关关长或其授权的隶属海关关长批准，海关可以采取的税收保全措施是( )。

A．书面通知其开户银行从其存款内扣缴税款

B．书面通知纳税义务人开户银行或者其他金融机构暂停支付纳税义务人相当于应纳税款的存款

C．扣留纳税义务人价值相当于应纳税款的货物或者其他财产

D．依法变卖其价值相当于应纳税款的货物或其他财产，以变卖所得抵缴税款
查看答案
单项选择题

Networks can be interconnected by different devices in the physical layer networks can be connected by (71) or hubs．which just move the bits from one network to an identical network．One layer up we find bridges and switches which operate at data link layer．They can accept (72) ，examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process in me network layer，we have routers that can connect two networks，If two networks have (73) network layer，the router may be able to translate betweenthe packer formats．In the transport layer we find transport gateway，which can interface between two transport connections Finally，in the application layer，application gateways translate message (74) ．As an example，gateways between Internet e-mail and X，400 e-mail must (75) thee-mail message and change various header fields．

A．frames

B．packets

C．packages

D．cells
查看答案