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问题 问答题 简答题

为什么说生活规律是保健之首？

答案

参考答案：

生活规律是保健之首因为：如果缺乏规律性生活，就会破坏人体生物钟的运转。久之，体内功能失调，加速衰老，甚至发生疾病。

单项选择题

(1) is used to ensure the confidentiality,integrity and authenticity of the two end points in the private network． (2) ，an application—layer protocol，authenticates each peer in an IPSec transaction．IKE negotiates security policy，determining which algorithm may be used to set up the tunnel．it alsohandles the exchange of session keys used for that one transaction．

Networks that use (3) to secure data traffic can automatically authenticate devices by using (4) ，which verify the identities of the two users who are sending information back and forth．IPSeccan be ideal way to secure data in large networks that require secure connections among many devices．

Users deploying IPSec can (5) their network infrastructure without affecting the applications on individual computer．The protocol suite is available as a software-only upgrade to the networkinfrastructure．This alows security to be implemented without costly changes to each computer．Mostimportant，IPSec allows interoperability among different network devices，PCs and other computingsystems．

2（）

A．IPSec

B．SSL

C．L2TP

D．The Internet Key Exchange
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单项选择题 B1型题

属于假药的是（）

A.发现有新的不良反应的药物

B.药物的外包装材料和容器没有经过批准

C.药品广告内容超出审查机关审查批准的内容的药物

D.药品所含成分与国家药品标准规定的成分不符

E.药物内包装材料和容器未经过批准
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