| In such a changing, complex society
formerly simple solutions to informational needs become complicated. Many of
life’s problems which were solved by asking family members, friends or
colleagues are beyond the capability of the extended family to resolve. Where to
mm for expert information and how to determine which expert advice to accept are
questions facing many people today. In addition to this, there is the growing mobility of people since World War Ⅱ. As families move away from their stable community, their friends of many years, their extended family relationships, the informal flow of information is cut off, and with it the confidence that information will be available when needed and will be trustworthy and reliable. The almost unconscious flow of information about the simplest aspects of living can be cut off. T A. it is necessary to obtain as much knowledge as possible. B. people should make the best use of the information. C. we should realize the importance of accumulating information. D. it is of vital importance to acquire needed information efficiently. [单项选择]以下关于VLAN标识的描述中哪个是错误的______
A. VLAN用一个VLAN名和VLAN号来标识 B. VLAN名用1～32字符表示，不能有数字 C. VLAN号的数值范围是1～4094 D. VLAN号2～1000用于：Ethernet VLANs，可以建立，使用和删除这些VLAN [单选题] 若遇特殊情况需解锁操作,应经设备运维管理部门防误操作装置专责人或( )指定并经公布的人员到现场核实无误并签字。
A.公司; B.调控部门; C.设备运维管理部门; D.设备检修管理部门。 [单选题]牙周组织是指
A.牙龈、牙周膜、牙槽骨 B.牙冠、牙龈、牙周膜 C.牙冠、牙周膜、牙槽骨 D.牙根、牙周膜、牙龈 E.牙髓、牙龈、牙周膜 [多项选择]单件小批生产某工件上要加工轴线平行的精密孔系，要求孔心距精度为±(0.05～0.03)mm，可选择( )等加工方法。
A. 按划线钻孔 B. 用定心套、量块预定孔位，千分表找正对刀 C. 专用钻模钻孔 D. 坐标镗床镗孔 E. 浮动铰刀铰孔 [单项选择]痛经寒凝血瘀证的腹痛特点是（）
A. 冷痛拒按 B. 胀痛拒按 C. 隐隐作痛 D. 绵绵作痛 E. 酸痛不适 [单项选择]牡蛎的功效是（）
A. 平肝潜阳，清肝明目 B. 平肝潜阳，凉血止血 C. 平肝潜阳，软坚散结 D. 平肝潜阳，祛风止痒 E. 平肝潜阳，息风止痉 [单项选择]用国家行政预算的方法来调节、控制行政编制的增长属于编制管理手段中的( )
A. 法律手段 B. 经济手段 C. 行政手段 D. 道德手段 [单选题]肺炎球菌肺炎患者的典型临床症状不包括(2014)
A.寒战、高热 B.咳嗽 C.咳铁锈色痰 D.胸痛 E.腹胀 [单选题]带有保持线圈的中间继电器分为两种：一种是电压启动电流保持的中间继电器，另一种是电流启动电压保持的中间继电器。
A.A、正确 B.B、错误 [单项选择]并励直流电动机正常运行时，其电磁转矩的性质是（）
A. 制动转矩 B. 拖动转矩 C. 不可能有电磁转矩 [单选题]依据《中国南方电网有限责任公司电力安全工作规程》（Q/CSSG 510001-2015）第23.3.2条规定：使用中的氧气瓶和乙炔气瓶应垂直固定放置，氧气瓶和乙炔气瓶的距离不得小于 （ ）；气瓶的放置地点不得靠近热源，应距明火 （ ）以外。
A.8m；8m B.5m；10m C.10m；8m D.10m；10m 我来回答: 提交
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