某油库工人许某，在上班进行输油作业过程中擅离职守，离开作业现场。储油罐装满后，汽油外

患者男性，39岁，胸闷1月余。

患者心电图检查见图3-8-13，应诊断为（）。

A.窦性心律不齐

B.房性期前收缩伴室内差异性传导

C.交界性期前收缩伴室内差异性传导

D.室性期前收缩

E.以上都不是

使用小写填写出票日期的票据，银行可予受理。( )

下列哪些是狭颅症的临床表现（）

A．落日征

B．头颅畸形

C．脑功能障碍

D．常合并身体其他畸形

E．颅内压增高

土地所有权价格是一种权利的完全______的市场代价。

A．转移

B．租赁

C．转让

D．买断

E．购买

A Bluetooth device can be either a master or a slave and any of the devices within a ___30___can be the master. There is only one master and there can be up to ___31___ active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to ___32___.parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to ___33___ mode before it can become active. Within a network, all ___34___ communications are prohibited.

30（）

A. Wireless LAN

B. Wireless MAN

C. Cellular radio network

D. Piconet