题目内容

易燃介质是指其与空气混合的爆炸下限20%气体。

A. 正确
B. 错误

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Cer-tech .com has a server that runs Windows Server 2008. You installed Windows Deployment Services(WDS) role on the server. You decide to install Windows Vista on a computer that does not support Preboot Execution Environment (PXE). The Windows Vista image is stored on the WDS server. You haveto start the computer and install the Windows Vista image stored on the WDS server. What should you create to achieve this task?()

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D. WDS image

科学预测和正确决策的前提和基础是()。

A. 市场信息
B. 市场调查
C. 市场分析
D. 预测模型

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