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问题 选择题

_____ shoulder to shoulder with a girl, I felt very embarrassed.

A．Spotting shopping

B．Spotted shopping

C．Having spotted to shop

D．Spotted to shop

答案

答案：B

考查非谓语动词，根据句子结构可知该部分为状语，spot意为发现，认出，与主语I之间是被动关系，故排除AC，spot用语同see /watch sb doing sth，意为发现某人干某事。句意为被发现跟一个女孩肩并肩购物，我感到很尴尬。

单项选择题

___39___ is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network. ___40___, 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 also handles the exchange of session keys used for that one transaction.

Networks that use ___41___ to secure data traffic can automatically authenticate devices by using by using ___42___, which verify the identities of the two users who are sending information back and forth. IPSec can be ideal way to secure data in large networks that require secure connections among many devices.

Users deploying IPSec can ___43___ their network infrastructure without affecting the applications on individual computer. The protocol suite is available as a software-only upgrade to the network infrastructure. This alows security to be implemented without costly changes to each computer. Most important, IPSec allows interoperability among different network devices, PCs and other computing systems.

43（）

A. secure

B. relation

C. script

D. strict
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单项选择题

关于项目质量管理的叙述， 是错误的。

A．项目质量管理必须针对项目的管理过程和项目产品

B．项目质量管理过程包括质量计划编制，建立质量体系，执行质量保证

C．质量保证是一项管理职能，包括所有为保证项目能够满足相关的质量标准而建立的有计划的、系统的活动

D．变更请求也是质量保证的输入之一
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