正确答案: D

HTML型

题目：文件型病毒不能感染的文件类型是（）。

解析：D

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举一反三的答案和解析：

[多选题]●(71)data effectively is crucial for success in today's competitive environment Managers must know how to use a variety of tools Integrated data takes information from different sources and puts it together in a meaningful and useful way One of the difficulties of this is the(72)in hardware and software(73)integration uses a base document that contains copies of other objects(74)integration uses a base document that contains the current or most recent version of the source document it contains(75)provides an overview of the program written in"plain"English,without the computer syntax

Sharing

General using

Globalizing

解析：●试题答案：（71）B（72）C（73）D（74）C（75）C

[单选题]● 一项信息系统工程采用邀请招标时，参加投标的单位不得少于__(50)__家。（50）

3

解析：试题分析