A．1 B．0 C．-1 D．-刷刷题APP

【判断题】公安机关职责具有有限性，是指公安机关的职责是有范围的，超越范围就是越权。( )

A.

正确

B.

错误

【单选题】54() A.opportunity B.chance C.incidence D.occurrence

A.

Sometimes, people (41) your life and you realize that they are there (42) some purpose, to (43) you a lesson, or to help you (44) who you are or who you want to become. You’d never know who these people (45) be, your friend, your classmate, your neighbor, your co-worker, your teacher, or (46) a stranger, but they will deeply (47) your life in some way.

B.

And sometimes things (48) to you that may seem (49) , painful and horrible at first, but (50) , you realize that without (51) those difficulties you would never know your strength, (52) or potential. Everything happens for a (53) . Nothing happens by (54) or by means of good luck. Illness, great achievement, love, injury and failure all come to (55) the limits of your soul. Without these tests, life would be like a straight and fiat road, but it goes (56) . It would be safe and comfortable, but dull and completely (57) .

C.

Those people who affect your life, and the failure and the success you experience can help you to create who you are and who you become. Even the bad experiences can (58) from. In fact, they are the most important ones. If someone breaks your heart, or hurts you, please (59) them, for they helped you to learn about the importance of being careful when you open your heart. If someone loves you, love them (60) , because they are teaching you to love and how to open your heart and eyes to things.

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【判断题】年龄在60岁以上持有准驾车型为大型客车的驾驶人，应当到驾驶证核发地车辆管理所换领准驾车型为小型汽车或小型自动挡汽车的驾驶证。

A.

正确

B.

错误

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【单选题】45（） A．访问是单向的，造成有些资源无法访问 B．不利于Internet的扩充 C．造成寻径表规模太长，寻径困难，不利于低层网络的寻径 D．对核心网关结构依赖严重，一旦出现故障，整个Internet的工作将受到影响

A.

Internet是全球最大的、开放的、由众多网络互联而形成的计算机网络，狭义Internet是指由上述提到网络中采用IP协议的网络互联而成的，广义Internet是指狭义Internet加上所有 (43) 的网络。Internet体系结构具有良好扩充性的主要原因在于它 (44) 。广义Internet的这种基于单一主干核心结构的弊端在于 (45) 。这种结构将逐渐被 (46) 所取代。

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【单选题】酚妥拉明属于（）

A.

α受体阻断药

B.

β受体阻断药

C.

α,β受体阻断药

D.

α₁受体阻断药

E.

β₁受体阻断药

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【单选题】30（） A．动态地址绑定和租约 B．报文扩充 C．配置参数提交 D．中继代理

A.

动态主机配置协议DHCP是对BOOTP协议的扩充，DHCP与BOOTP的主要区别是 DHCP具有 (30) 机制。DHCP协议支持的中继代理(Relay Agent)是一种 (31) ，它可以在不同的网段之间传送报文。DHCP具有多种地址分配方案，对于移动终端(比如笔记本电脑)最适合的分配方案是 (32) 。使用Windows 2000操作系统的DHCP客户机，如果启动时无法与DHCP服务器通信，它将 (33) 。因为DHCP报文是装入 (34) 数据单元中传送的，所以它是不安全的。

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